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Bibliographic Details
Main Authors: Guo, Zheng, Hu, Yong, Li, Cai Heng
Format: Preprint
Published: 2024
Subjects:
Online Access:https://arxiv.org/abs/2408.03184
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Table of Contents:
  • A positive integer $m$ is called a Hall number if any finite group of order precisely divisible by $m$ has a Hall subgroup of order $m$. We prove that, except for the obvious examples, the three integers $12$, $24$ and $60$ are the only Hall numbers, solving a problem proposed by Jiping Zhang.