The commuting graphs of certain cyclic-by-abelian groups

Fuente: arXiv
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Autore principale: Velten, Timo
Natura: Preprint
Pubblicazione: 2024
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_version_ 1866910715141423104
author Velten, Timo
author_facet Velten, Timo
contents Let $G$ be a finite, non-abelian group of the form $G = A N$, where $A \leq G$ is abelian, and $N \trianglelefteq G$ is cyclic. We prove that the commuting graph $Γ(G)$ of $G$ is either a connected graph of diameter at most four, or the disjoint union of $|G'| + 1$ complete graphs. These results apply to all finite metacyclic groups, and to groups of square-free order in particular.
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id arxiv_https___arxiv_org_abs_2405_18103
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The commuting graphs of certain cyclic-by-abelian groups
Velten, Timo
Group Theory
Let $G$ be a finite, non-abelian group of the form $G = A N$, where $A \leq G$ is abelian, and $N \trianglelefteq G$ is cyclic. We prove that the commuting graph $Γ(G)$ of $G$ is either a connected graph of diameter at most four, or the disjoint union of $|G'| + 1$ complete graphs. These results apply to all finite metacyclic groups, and to groups of square-free order in particular.
title The commuting graphs of certain cyclic-by-abelian groups
topic Group Theory
url https://arxiv.org/abs/2405.18103