English

Computing the Character Table of a 2-local Maximal Subgroup of the Monster

Group Theory 2025-03-21 v1 Representation Theory

Abstract

We employ the recently developed hybrid and mmgroup computational models for groups to calculate the character table of N(2B5)25+10+20.(S3×L52)N(\rm{2B}^5) \cong 2^{5+10+20}.( \rm{S}_3 \times \rm{L}_5 {2} ), a maximal subgroup of the Monster sporadic simple group. This completes the list of the character tables of maximal subgroups of the Monster. Our approach illustrates how the aforementioned computational models can be used to calculate relatively straightforwardly in the Monster.

Keywords

Cite

@article{arxiv.2503.15857,
  title  = {Computing the Character Table of a 2-local Maximal Subgroup of the Monster},
  author = {Anthony Pisani},
  journal= {arXiv preprint arXiv:2503.15857},
  year   = {2025}
}

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7 pages, 0 figures