Groups in which the centralizer of any non-central element is maximal

Author:

Zhao Xianhe1,Chen Ruifang2,Guo Xiuyun3

Affiliation:

1. College of Mathematics and Information Science, Henan Engineering Laboratory for Big Data Statistical Analysis and Optimal Control , Henan Normal University , Xinxiang Henan 453007 , P. R. China

2. College of Mathematics and Information Science , Henan Normal University , Xinxiang Henan 453007 , P. R. China

3. Department of Mathematics , Shanghai University , Shanghai 200444 , P. R. China

Abstract

Abstract Let x be an element of a finite group G. It is clear that x C G ( x ) G {\langle x\rangle\leq C_{G}(x)\leq G} . For the cases where C G ( x ) = G {C_{G}(x)=G} and C G ( x ) = x {C_{G}(x)=\langle x\rangle} for any element x of G, the structure of G is easily decided. In this paper, we investigate the case where C G ( x ) {C_{G}(x)} is maximal in G and obtain the structure of G.

Funder

National Natural Science Foundation of China

Henan Normal University

Publisher

Walter de Gruyter GmbH

Subject

Algebra and Number Theory

Reference13 articles.

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2. D. Chillag and M. Herzog, On the length of the conjugacy classes of finite groups, J. Algebra 131 (1990), no. 1, 110–125.

3. B. Fein, W. M. Kantor and M. Schacher, Relative Brauer groups. II, J. Reine Angew. Math. 328 (1981), 39–57.

4. W. Feit, M. Hall, Jr. and J. G. Thompson, Finite groups in which the centralizer of any non-identity element is nilpotent, Math. Z. 74 (1960), 1–17.

5. X. Guo, X. Zhao and K. P. Shum, On p-regular G-conjugacy classes and the p-structure of normal subgroups, Comm. Algebra 37 (2009), no. 6, 2052–2059.

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1. Groups in which the centralizer of any non-central primary element is maximal;Forum Mathematicum;2023-01-27

2. Counting centralizers and z-classes of some F-groups;Communications in Algebra;2021-12-09

3. On the centralizers of the p-regular elements in a finite group;Bulletin of the Brazilian Mathematical Society, New Series;2020-03-31

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