English

2-blocks with abelian defect groups and inertial quotient of prime order

Group Theory 2026-04-14 v1

Abstract

In this paper, we classify all 22-blocks for which the defect groups are abelian and the inertial quotient has prime order. As a consequence, we prove that Brou\'e's abelian defect group conjecture holds for all blocks under consideration here.

Keywords

Cite

@article{arxiv.2604.09974,
  title  = {2-blocks with abelian defect groups and inertial quotient of prime order},
  author = {Qianhu Zhou and Kun Zhang},
  journal= {arXiv preprint arXiv:2604.09974},
  year   = {2026}
}