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Local Covering Subgroups in Finite Groups
Acta Mathematica Sinica, English Series ( IF 0.8 ) Pub Date : 2021-03-25 , DOI: 10.1007/s10114-021-9418-5 Guo Hua Qian
中文翻译:
有限组中的本地覆盖子组
更新日期:2021-03-26
Acta Mathematica Sinica, English Series ( IF 0.8 ) Pub Date : 2021-03-25 , DOI: 10.1007/s10114-021-9418-5 Guo Hua Qian
A subgroup A of a finite group G is called a local covering subgroup of G if AG = AB for all maximal G-invariant subgroup B of AG = 〈Ag, g ∊ G〉. Let p be a prime and d be a positive integer. Assume that all subgroups of pd, and all cyclic subgroups of order 4 when pd = 2 and a Sylow 2-subgroup of G is nonabelian, of G are local covering subgroups. Then G is p-supersolvable whenever pd = p or \({p^d} \le \sqrt {{{\left| G \right|}_p}} \) or pd ≤ ∣Op’p(G)∣p/p.
中文翻译:
有限组中的本地覆盖子组
一个分组甲有限群G ^被称为的局部覆盖亚组ģ如果甲ģ = AB所有最大ģ -invariant亚乙的甲ģ = <甲克,克ε ģ >。令p为质数,d为正整数。假设的所有亚组p d,以及4阶所有循环子群时p d = 2和的西洛2子群G ^是非阿贝尔,的ģ是本地覆盖子组。然后ģ是p -supersolvable每当p d = p或\({P ^ d} \文件\ SQRT {{{\左| G \右|} _p}} \)或p d ≤| ø P'P(ģ)∣ p / p。