English

The group $J_4 \times J_4$ is recognizable by spectrum

Group Theory 2019-11-26 v2

Abstract

The spectrum of a finite group is the set of its element orders. In this paper we prove that the direct product of two copies of the finite simple sporadic group J4J_4 is uniquely determined by its spectrum in the class of all finite groups.

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Cite

@article{arxiv.1905.06258,
  title  = {The group $J_4 \times J_4$ is recognizable by spectrum},
  author = {I. B. Gorshkov and N. V. Maslova},
  journal= {arXiv preprint arXiv:1905.06258},
  year   = {2019}
}

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13 pages