On a theorem of Ledermann and Neumann
Group Theory
2019-10-01 v1
Abstract
We give a short and self-contained proof of a theorem of Ledermann and Neumann stating that there are only finitely many finite groups with a given number of automorphisms. We also discuss the history of related conjectures.
Cite
@article{arxiv.1909.13220,
title = {On a theorem of Ledermann and Neumann},
author = {Benjamin Sambale},
journal= {arXiv preprint arXiv:1909.13220},
year = {2019}
}
Comments
an expanded version will appear in Amer. Math. Monthly, 7 pages