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Nonsolvable Groups with Three Nonlinear Irreducible Character Codegrees

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For an irreducible character x of a finite group G,the codegree of x is de-fined as |G:ker(x)|/x(1).In this paper,the authors determine finite nonsolvable groups with exactly three nonlinear irreducible character codegrees,which are L2(2f)for f ≥ 2,PGL2(q)for odd q ≥ 5 or M10.

Character codegreeNonsolvable group

Dongfang YANG、Yu ZENG

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Department of Mathematics,Changshu Institute of Technology,Changshu 215500,Jiangsu,China

国家自然科学基金国家自然科学基金国家自然科学基金江苏省自然科学基金Natural Science Foundation for the Universities in Jiangsu Province

123010181217105812326356BK2023135623KJB110002

2024

数学年刊B辑(英文版)
国家教育部委托复旦大学主办

数学年刊B辑(英文版)

CSTPCD
影响因子:0.129
ISSN:0252-9599
年,卷(期):2024.45(2)
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