The Square-Free Hypothesis on Co-degrees of Irreducible Characters
The Square-Free Hypothesis on Co-degrees of Irreducible Characters
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DOI:
10.1007/s00009-023-02572-2
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发表时间:
2024-01
影响因子:
1.1
通讯作者:
Jiakuan Lu;Hangyang Meng
中科院分区:
文献类型:
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作者:
Jiakuan Lu;Hangyang Meng
LetGbe a finite group andNbe a normal subgroup ofG. Denote bythe set of all irreducible complex characters ofGwhose kernels do not containN. For, the numberis called the co-degree of. In this paper, we prove that if, for each pairwith, the greatest common divisor ofandis square-free, thenNis solvable.