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On non-normal cyclic subgroups of prime order or order 4 of finite groups
Open Mathematics ( IF 1.7 ) Pub Date : 2021-01-01 , DOI: 10.1515/math-2021-0012
Pengfei Guo 1 , Zhangjia Han 2
Affiliation  

In this paper, we call a finite group G G an N L M NLM -group ( N C M NCM -group, respectively) if every non-normal cyclic subgroup of prime order or order 4 (prime power order, respectively) in G G is contained in a non-normal maximal subgroup of G G . Using the property of N L M NLM -groups and N C M NCM -groups, we give a new necessary and sufficient condition for G G to be a solvable T T -group (normality is a transitive relation), some sufficient conditions for G G to be supersolvable, and the classification of those groups whose all proper subgroups are N L M NLM -groups.

中文翻译:

在素数阶或有限群的4阶非正规循环子群上

在本文中,如果GG中每个素数阶或阶数4(分别是素数幂阶数)的非正态循环子群都包含在一个非正态循环子群中,则我们将有限群GG称为NLM NLM-群(分别为NCM NCM -group)。 -GG的最大子群。利用NLM NLM -groups和NCM NCM -groups的性质,我们给出了GG成为可解的TT -group(正态是传递关系)的新的必要和充分条件,为GG成为超可解的一些充分条件,以及所有适当的子组均为NLM NLM -group的那些组的分类。
更新日期:2021-01-01
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