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$${\mathbb {P}}$$ P -subnormal subgroups and the structure of finite groups
Ricerche di Matematica ( IF 1.1 ) Pub Date : 2021-04-04 , DOI: 10.1007/s11587-021-00582-4
Ruifang Chen , Xianhe Zhao , Xiaoli Li

Let G be a finite group. A subgroup H of G is called a \({\mathbb {P}}\)-subnormal subgroup whenever \(H=G\) or there exists a chain of subgroups \(H=H_0\le H_1\le \cdots \le H_t=G\) such that \(|H_i:H_{i-1}|\) is a prime for every \(i\in \{1, 2, \ldots t\}\). In the present paper, we study finite groups in which some 2-maximal subgroups or cyclic subgroups are \({\mathbb {P}}\)-subnormal subgroups. Several conditions for G to possess an ordered Sylow tower of supersolvable type are given.



中文翻译:

$$ {\ mathbb {P}} $$ P-次正规子群和有限群的结构

G为一个有限群。每当\(H = G \)或存在一连串的子组\(H = H_0 \ le H_1 \ le \ cdots \时G的子组H称为\({\ mathbb {P}} \)-次正规子组。 H_t = G \)使得\(| H_i:H_ {i-1} | \)是每个\(i \ in \ {1,2,\ ldots t \} \)的素数。在本文中,我们研究了其中2个最大子群或循环子群为\({\ mathbb {P}} \)-次正规子群的有限群。给出了G具有超可解类型的有序Sylow塔的几个条件。

更新日期:2021-04-04
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