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arXiv 1301.6865math.GR
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关于弱S-嵌入子群和弱$τ$ -嵌入子群

On weakly S-embedded subgroups and weakly $τ$-embedded subgroups

Xiaoyu Chen, Wenbin Guo

摘要:

设$G$是有限群.如果存在$K\unlhd G$使得$HK$在$G$和$H\cap K\leq H_{seG}$中是S-拟正规的,则称$G$的子群$H$在$G$中是弱S-嵌入的,其中$H_{seG}$是由$H$的所有那些S-拟正规嵌入$G$中的子群生成的子群。我们说$H$是弱$τ$ -嵌入$G$,如果存在$K\unlhd G$使得$HK$在$G$和$H\cap K\leq H_{τG}$中是S-拟正规的,其中$H_{τG}$是由$H$中所有在$G$中是$τ$ -拟正规的子群生成的子群。本文研究了弱S-嵌入子群和弱$τ$ -嵌入子群的性质,并利用它们来确定有限群的结构。

英文摘要:

Let $G$ be a finite group. A subgroup $H$ of $G$ is said to be weakly S-embedded in $G$ if there exists $K\unlhd G$ such that $HK$ is S-quasinormal in $G$ and $H\cap K\leq H_{seG}$, where $H_{seG}$ is the subgroup generated by all those subgroups of $H$ which are S-quasinormally embedded in $G$. We say that $H$ is weakly $τ$-embedded in $G$ if there exists $K\unlhd G$ such that $HK$ is S-quasinormal in $G$ and $H\cap K\leq H_{τG}$, where $H_{τG}$ is the subgroup generated by all those subgroups of $H$ which are $τ$-quasinormal in $G$. In this paper, we study the properties of the weakly S-embedded subgroups and the weakly $τ$-embedded subgroups, and use them to determine the structure of finite groups.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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