Fusion Systems on Sylow $3$-subgroups of Fischer and Monster sporadic groups: I

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Main Author: Gautam, Pete
Format: Preprint
Published: 2026
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author Gautam, Pete
author_facet Gautam, Pete
contents We classify all corefree fusion systems on a Sylow $3$-subgroup of the sporadic groups $\mathrm{Fi}_{22}$, $\mathrm{Fi}_{23}$ and $\mathrm{B}$. We show that the $3$-group in each case does not support any exotic fusion systems. This is the first of two papers that will complete the classification of all corefree fusion systems on Sylow $p$-subgroups of sporadic groups for $p$ odd.
format Preprint
id arxiv_https___arxiv_org_abs_2604_24676
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Fusion Systems on Sylow $3$-subgroups of Fischer and Monster sporadic groups: I
Gautam, Pete
Group Theory
20D20, 20D05, 20D06, 20D08, 20E42
We classify all corefree fusion systems on a Sylow $3$-subgroup of the sporadic groups $\mathrm{Fi}_{22}$, $\mathrm{Fi}_{23}$ and $\mathrm{B}$. We show that the $3$-group in each case does not support any exotic fusion systems. This is the first of two papers that will complete the classification of all corefree fusion systems on Sylow $p$-subgroups of sporadic groups for $p$ odd.
title Fusion Systems on Sylow $3$-subgroups of Fischer and Monster sporadic groups: I
topic Group Theory
20D20, 20D05, 20D06, 20D08, 20E42
url https://arxiv.org/abs/2604.24676