Subgroup/Related Articles: Difference between revisions

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imported>Richard Pinch
(parent: Group theory; subtopics: Characteristic, Essential, Normal subgroup)
 
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==Subtopics==
==Subtopics==

Revision as of 13:40, 14 November 2008

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Parent topics

{r|Group theory}}

Subtopics

  • Characteristic subgroup [r]: A subgroup which is mapped to itself by any automorphism of the whole group. [e]
  • Essential subgroup [r]: A subgroup of a group which has non-trivial intersection with every other non-trivial subgroup. [e]
  • Normal subgroup [r]: Subgroup N of a group G where every expression g-1ng is in N for every g in G and every n in N. [e]

Other related topics