English

Non-isomorphic 2-groups with isomorphic modular group algebras

Rings and Algebras 2021-12-16 v3 Group Theory

Abstract

We provide non-isomorphic finite 2-groups which have isomorphic group algebras over any field of characteristic 2, thus settling the Modular Isomorphism Problem.

Keywords

Cite

@article{arxiv.2106.07231,
  title  = {Non-isomorphic 2-groups with isomorphic modular group algebras},
  author = {Diego García and Leo Margolis and Ángel del Río},
  journal= {arXiv preprint arXiv:2106.07231},
  year   = {2021}
}

Comments

5 pages

R2 v1 2026-06-24T03:09:44.321Z