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PROPERTIES OF FINITE GROUPS DETERMINED BY THE PRODUCT OF THEIR ELEMENT ORDERS
Bulletin of the Australian Mathematical Society ( IF 0.6 ) Pub Date : 2020-06-01 , DOI: 10.1017/s000497272000043x
MORTEZA BANIASAD AZAD , BEHROOZ KHOSRAVI

For a finite group $G$, define $l(G)=(\prod _{g\in G}o(g))^{1/|G|}/|G|$, where $o(g)$ denotes the order of $g\in G$. We prove that if $l(G)>l(A_{5}),l(G)>l(A_{4}),l(G)>l(S_{3}),l(G)>l(Q_{8})$ or $l(G)>l(C_{2}\times C_{2})$, then $G$ is solvable, supersolvable, nilpotent, abelian or cyclic, respectively.

中文翻译:

有限群的性质由它们的元素顺序的乘积决定

对于有限群$G$, 定义$l(G)=(\prod_{g\in G}o(g))^{1/|G|}/|G|$, 在哪里$o(g)$表示顺序$g\in G$. 我们证明如果$l(G)>l(A_{5}),l(G)>l(A_{4}),l(G)>l(S_{3}),l(G)>l(Q_{8 })$要么$l(G)>l(C_{2}\times C_{2})$, 然后$G$分别是可解的、超可解的、幂零的、阿贝尔的或循环的。
更新日期:2020-06-01
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