By Shigeo Koshitani and Taro Sakurai at

Chiba University

For a prime *p*, we determine a Sylow *p*-subgroup *D* of a finite group *G* such that the principal *p*-block *B* of *G* has four irreducible ordinary characters. It has been determined already for the cases where the number is up to three by work by R. Brauer, J. Brandt,... Show more

February 6, 2020

Loading full text...

Similar articles

Loading recommendations...

x1

The principal $p$-blocks with small numbers of characters

Click on play to start listening