Czechoslovak Mathematical Journal, first online, pp. 1-8

Finite groups with two rows which differ in only one entry in character tables

Wenyang Wang, Ni Du

Received November 7, 2019.   Published online February 12, 2021.

Abstract:  Let $G$ be a finite group. If $G$ has two rows which differ in only one entry in the character table, we call $G$ an RD1-group. We investigate the character tables of RD1-groups and get some necessary and sufficient conditions about RD1-groups.
Keywords:  finite group; irreducible character; character table
Classification MSC:  20C15
DOI:  10.21136/CMJ.2021.0482-19

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Affiliations:   Wenyang Wang, Center for General Education, Xiamen Huaxia University, Haixiang Ave, Xiamen, Fujian 361024, P. R. China, e-mail:; Ni Du (corresponding author), School of Mathematical Sciences, Xiamen University, No. 422, Siming South Road, Xiamen, Fujian 361005, P. R. China, e-mail:

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