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In mathematical finite group theory, the concept of regular ''p''-group captures some of the more important properties of abelian ''p''-groups, but is general enough to include most "small" ''p''-groups. Regular ''p''-groups were introduced by . ==Definition== A finite ''p''-group ''G'' is said to be regular if any of the following equivalent , conditions are satisfied: * For every ''a'', ''b'' in ''G'', there is a ''c'' in the derived subgroup ''H''′ of the subgroup ''H'' of ''G'' generated by ''a'' and ''b'', such that ''a''''p'' · ''b''''p'' = (''ab'')''p'' · ''c''''p''. * For every ''a'', ''b'' in ''G'', there are elements ''c''''i'' in the derived subgroup of the subgroup generated by ''a'' and ''b'', such that ''a''''p'' · ''b''''p'' = (''ab'')''p'' · ''c''1''p'' ⋯ ''c''k''p''. * For every ''a'', ''b'' in ''G'' and every positive integer ''n'', there are elements ''c''''i'' in the derived subgroup of the subgroup generated by ''a'' and ''b'' such that ''a''''q'' · ''b''''q'' = (''ab'')''q'' · ''c''1''q'' ⋯ ''c''k''q'', where ''q'' = ''p''''n''. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Regular p-group」の詳細全文を読む スポンサード リンク
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