In mathematics, particularly in the area of abstract algebra known as group theory, a characteristic subgroup is a subgroup that is invariant under all automorphisms of the parent group.

* Clone ( cell biology )— In cell biology, a group of identical cells naturally derived from a common parent cell ; of significance in vertebrate physiology and concepts related to immunology and cancer biology

However, this unusual fission-fusion social structure, " in which portions of the parent group may on a regular basis separate from and then rejoin the rest ," is highly variable in terms of which particular individual chimpanzees congregate at a given time.

As a result, individual chimpanzees often forage for food alone, or in smaller groups ( as opposed to the much larger " parent " group, which encompasses all the chimpanzees which regularly come into contact and congregate into parties in a particular area ).

A hydroxide group attached to a strongly electropositive center may itself dissociate, liberating a hydrogen cation ( H < sup >+</ sup >), making the parent compound an acid.

Captive insurance companies may be defined as limited-purpose insurance companies established with the specific objective of financing risks emanating from their parent group or groups.

This group of epigenetic changes that depend on the chromosome's parent of origin ( including both those that affect gene expression and those that do not ) are called parental origin effects, and include phenomena such as paternal X inactivation in the marsupials, nonrandom parental chromatid distribution in the ferns, and even mating type switching in yeast.

Limestone is a parent material of Mollisol soil group.

However, Microsoft, Bungie's parent company at the time, contacted the group shortly after episode 2, and allowed them to continue without paying licensing fees.

Some debate is still going on if the parent taxon Nektaspida should be included in the Trilobita, or is better placed as a sister group.

Put simply, a quasispecies is a large group or cloud of related genotypes that exist in an environment of high mutation rate, where a large fraction of offspring are expected to contain one or more mutations relative to the parent.

While the Trento group around Curcio had its main roots in the Sociology Department of the Catholic University, the Reggio Emilia group ( around Franceschini ) included mostly former members of the F G C I ( the Communist youth movement ) expelled from the parent party for extremist views.

In 2007, when the Chrysler group was sold off to Cerberus Capital Management ( see below ), the name of the parent company was changed to simply " Daimler AG ".

The joint parent company became the PSA ( Peugeot Société Anonyme ) group, which aimed to keep separate identities for both the Peugeot and Citroën brands, while sharing engineering and technical resources.

A conglomerate is a combination of two or more corporations engaged in entirely different businesses that fall under one corporate structure ( a corporate group ), usually involving a parent company and several ( or many ) subsidiaries.

* Phillip Morris group — the Phillip Morris group which once was the parent company of Altria group, Phillip Morris International and Kraft Foods had annual combined turnover of $ 80 bn.

This group includes the persons who have at least one parent or grandparent who has been a native Finnish citizen.

The group includes persons who have been determined to be of Finnish nationality by Soviet or post-Soviet authorities or who have at least one parent or two grandparents who have been determined to be of Finnish nationality in official documents, e. g., in their internal passports.

A parent led group known as the Aurora Ice Association ( AIA ) has submitted plans for the facility, but is being met with resistance from a group of residents claiming a lack of demand, lack of parking, and the potential for catastrophic train derailments from the adjacent railroad tracks.

Local jurisdictions may charge fees for filing such applications, however, if the filing parent is receiving any sort of public assistance, these fees may be waived.

Gerpheide, parent application filing 16 August 1989.

Parents later can modify the existing parenting plan by filing a new request with a court when circumstances have changed like parent relocation, child abuse issues, health problems etc.

Acclaim shut down all comic book publishing in 2002 in anticipation of a bankruptcy filing of its parent company after suffering heavy losses from its licensed sports video games.

In early 2010, twenty-two of the top staff members resigned due to the parent corporation, Artistic Solutions Inc., losing its legal right to do business in California due to a failure in filing tax returns.

Whilst a divisional application is filed later than the parent application, it may retain its parent's filing date, and will generally claim the same priority.

Although there are some connections between the two procedures ( e. g. concerning time limits ), actions ( or omissions ) occurring in the procedure concerning the parent application after the filing of the divisional application should not influence the procedure concerning the latter ...."

On August 21, 2008, subsequent to its filing for bankruptcy, parent company Syntax-Brillian completed the sale of the Vivitar brand name and intellectual property to privately held consumer electronics maker Sakar International based in Edison, New Jersey.

Arpey announced his retirement on November 29, 2011, coinciding with the bankruptcy filing of American Airlines parent AMR.

Application to an L-1 visa begins with the filing of a petition with the U. S. Citizenship & Immigration Services ( USCIS ) on Form I-129, along with supporting documentation showing that both the U. S. company and the foreign parent, subsidiary, affiliate or branch meet the qualifying factors set forth in the law and regulations.

Click, along with its parent company ceased operations on 28 August 2010 after filing for bankruptcy earlier in the month.

Legally, the AFL-CIO is the parent union of the DALU, and the AFL-CIO is responsible for filing financial disclosure forms with federal and state authorities and providing bargaining support.

It was consolidated 15 December 1967 with the 200th Artillery and consolidated unit designated at the 200th Artillery, a parent regiment under the Combat Arms Regimental system.

In 2001 SES Astra, a newly formed subsidiary of SES, operated the Astra satellites and in September 2011, SES Astra was consolidated back into the parent company.

The book club division ( most notably the book club license for the Dr. Seuss books by arrangement with Random House ), as well as its imprint Children's Press, were consolidated into its new parent, Scholastic.

In 1976 he branched out by buying a 60 % interest in a printing business and in 1980 he consolidated his business interests by forming Grupo Galas as the parent company of a conglomerate that had interests in industry, construction, mining, retail, food and tobacco.

On July 1, 1915 the Monongahela Railroad consolidated with the Buckhannon and Northern Railway to form the Monongahela Railway Company ( MRY ), still under the control of the parent companies ( PRR and P & LE ).

Virginia Overland Transportation's parent corporation and its Richmond operating subsidiary were dissolved in 2005, although several of the former subsidiary had been consolidated in JLA and, therefore, later became part of Serco Group's North American operations.

The parent company currently trades on the New York Stock Exchange as Harris Teeter Supermarkets, Inc. ( NYSE: HTSI, formerly Ruddick Corporation ( NYSE: RDK ), and had consolidated revenues of $ 4. 3 billion for the fiscal year ended October 2, 2011 (" Fiscal 2011 ").

Altec Lansing Corporation enjoyed a brief resurgence within the professional audio industry from the middle 1980s until 1995, when Telex, who had purchased Altec Lansing's parent company, EVI Audio, Inc., in 1997, consolidated all of their electronics manufacturing facilities into one location in Minnesota.

Some states require and some states permit parent / subsidiary controlled groups of corporations to file returns on a consolidated or combined basis.

Otenet was a major internet service provider of Greece The company is now consolidated into the parent company OTE.

Miles operated as an independent firm from 1884 until 1979 and as a wholly owned subsidiary of Bayer AG from 1979 until 1995, when it was consolidated into the parent corporation.

The names were consolidated in 1987, when a short-lived merger of Drake's with Hostess ' parent company ( then Continental Baking Company ) briefly resolved the Ring Ding / Ding Dong conflict.

Soils typically inherit a great deal of structure and minerals from their parent material, and, as such, are often classified based upon their contents of consolidated or unconsolidated mineral material that has undergone some degree of physical or chemical weathering and the mode by which the materials were most recently transported.

Parent materials that are predominately composed of consolidated rock are termed residual parent material.

Soildevelops in residual parent material is that which forms in consolidated geologic material.

In later years, Aaron Spelling consolidated his companies, and Worldvision as a wholly functioning unit ceased to exist and became folded into Republic Pictures ( which Spelling bought in 1994 ), although Worldvision as a distribution unit continued for many years after until Spelling / Republic merged with Viacom ( which also started as a syndication arm of a television network, in this case CBS ) in 1999, the same year Viacom announced its acquisition of former parent CBS ( completed in 2000 ).

The Southern Pacific Company gained Interstate Commerce Commission approval to control the Cotton Belt system on April 14, 1932, but continued to operate it as a separate company until 1992, when the SP consolidated the Cotton Belt's operations into the parent company.

The parent company needs to issue consolidated financial statements at the end of the year to reflect this relationship.

Organisationally, all domestic gypsum activities were consolidated in the British Gypsum subsidiary and the parent company was BPB Industries.

This broader liability will likely necessitate interposing a US corporation between the AULC and the US parent corporation in those states where corporate groups can prepare consolidated tax returns or a single-member limited liability company in those states where consolidation is not available.

* 37th and 706th Tank Battalions consolidated, reorganized, and redesignated 1 April 1957 as the 37th Armor, a parent regiment under the Combat Arms Regimental System.