Blocks with only one irreducible Brauer character orbit
Group Theory
2026-04-13 v1 Representation Theory
Abstract
In this paper, we prove that a -block with abelian defect group is inertial if it covers a -block of a normal subgroup of -power index having only one irreducible Brauer character orbit.
Cite
@article{arxiv.2604.09161,
title = {Blocks with only one irreducible Brauer character orbit},
author = {Fuming Jiang and Kun Zhang and Yuanyang Zhou},
journal= {arXiv preprint arXiv:2604.09161},
year = {2026}
}