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Powerful p-group : ウィキペディア英語版
Powerful p-group

In mathematics, in the field of group theory, especially in the study of ''p''-groups and pro-''p''-groups, the concept of powerful ''p''-groups plays an important role. They were introduced in , where a number of applications are given, including results on Schur multipliers. Powerful ''p''-groups are used in the study of automorphisms of ''p''-groups , the solution of the restricted Burnside problem , the classification of finite ''p''-groups via the coclass conjectures , and provided an excellent method of understanding analytic pro-''p''-groups .
==Formal definition==
A finite ''p''-group G is called powerful if the commutator subgroup () is contained in the subgroup G^p = \langle g^p | g\in G\rangle for odd p, or if () is contained in the subgroup G^4 for ''p''=2.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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