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math.GR2023
On the number of primitive and quasi-primitive irreducible characters in finite groups
Riad Youmbai, Gang Chen
In this short note, it is proved that both the number of primitive characters and the number of quasi-primitive characters in a finite group is divisible by , where $G'…
math.GR2023
On multidimensional Schur rings of finite groups
Gang Chen, Qing Ren, Ilia Ponomarenko
For any finite group and a positive integer , we define andstudy a Schur ring over the direct power , which gives an algebraic interpretation of the partition of …