English

Sur le centralisateur d'une involution de 2E6(2)

Group Theory 2007-12-12 v1

Abstract

In this paper we prove that 220+1.U6(2)2^{20+1}.U_6(2), known as the centralizer of an involution in the group 2E6(2)2E_6(2) is a quotient of a Coxeter group. We obtain a presentation of 220+1.U6(2)2^{20+1}.U_6(2) as a Q222Q_{222}-group, which now resolve a long pending question.

Cite

@article{arxiv.0712.1766,
  title  = {Sur le centralisateur d'une involution de 2E6(2)},
  author = {Marguerite Virotte-Ducharme},
  journal= {arXiv preprint arXiv:0712.1766},
  year   = {2007}
}
R2 v1 2026-06-21T09:52:57.466Z