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Non-congruence presentations of finite simple groups

Group Theory 2024-07-30 v1 Algebraic Geometry Number Theory

Abstract

We prove two results on some special generators of finite simple groups and use them to prove that every non-abelian finite simple group SS admits a non-congruence presentation (as conjectured in [CLT24]), and that if SS has a non-trivial Schur multiplier, then it admits a smooth cover (as conjectured in [CFLZ]).

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Cite

@article{arxiv.2407.19047,
  title  = {Non-congruence presentations of finite simple groups},
  author = {William Y. Chen and Alexander Lubotzky and Pham Huu Tiep},
  journal= {arXiv preprint arXiv:2407.19047},
  year   = {2024}
}

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29 pages