English

Boolean lattices in finite alternating and symmetric groups

Group Theory 2020-11-18 v1

Abstract

Given a group GG and a subgroup HH, we let OG(H)\mathcal{O}_G(H) denote the lattice of subgroups of GG containing HH. This paper provides a classification of the subgroups HH of GG such that OG(H)\mathcal{O}_{G}(H) is Boolean of rank at least 33, when GG is a finite alternating or symmetric group. Besides some sporadic examples and some twisted versions, there are two different types of such lattices. One type arises by taking stabilizers of chains of regular partitions, and the other type arises by taking stabilizers of chains of regular product structures. As an application, we prove in this case a conjecture on Boolean overgroup lattices, related to the dual Ore's theorem and to a problem of Kenneth Brown.

Keywords

Cite

@article{arxiv.1911.04516,
  title  = {Boolean lattices in finite alternating and symmetric groups},
  author = {Andrea Lucchini and Mariapia Moscatiello and Sebastien Palcoux and Pablo Spiga},
  journal= {arXiv preprint arXiv:1911.04516},
  year   = {2020}
}

Comments

25 pages, classification of Boolean lattices in symmetric and alternating groups

R2 v1 2026-06-23T12:12:13.808Z