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关于ss-拟正规子群和c-正规子群

Journal of Yunnan University of Nationalities(Natural Sciences Edition)(2019)

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Abstract
设G是有限群,H是G的子群称H在G中ss--拟正规,如果H存在1个补子群B,满足H和B的每个Sylow子群可以交换.称H在G中c-正规,如果存在G的正规子群K,使得G=HK且H∩K≤HG,这里HG是H在G中的正规核.同时考虑这2个概念,并应用群论研究的“或”思想方法,得出的主要结论是:当p是满足|G|的素因子且(| G|,p-1)=1,P是G的1个Sylow p-子群,如果P的极大子群在G中c-正规,或在G中ss-拟正规时,群G是p-幂零群.
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