Character codegrees in finite groups

doi:10.3868/S140-DDD-023-006-X

Front. Math. China

2023, Vol. 18

Issue (1) : 15-32 https://doi.org/10.3868/S140-DDD-023-006-X

SURVEY　ARTICLE

Character codegrees in finite groups

Guohua QIAN(

)

School of Mathematics and Statistics, Changshu Institute of Technology, Changshu 215500, China

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Abstract

For an irreducible character $χ$ of a finite group $G$ , we define its codegree as $c o d (χ) = | G : ker ⁡ χ | χ (1)$ . In this paper, we introduce some known results and unsolved problems about character codegrees in finite groups.

Keywords Finite group character character codegree

Online First Date: 22 May 2023 Issue Date: 31 May 2023

Cite this article:

Guohua QIAN. Character codegrees in finite groups[J]. Front. Math. China, 2023, 18(1): 15-32.

URL:

https://academic.hep.com.cn/fmc/EN/10.3868/S140-DDD-023-006-X
https://academic.hep.com.cn/fmc/EN/Y2023/V18/I1/15

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