On two problems about order sequences of finite groups

Fuente: arXiv
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1. Verfasser: Lazorec, Mihai-Silviu
Format: Preprint
Veröffentlicht: 2024
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author Lazorec, Mihai-Silviu
author_facet Lazorec, Mihai-Silviu
contents The order sequence of a finite group $G$ is a non-decreasing finite sequence formed of the element orders of $G$. Several properties of order sequences were studied by P. J. Cameron and H. K. Dey in a recent paper that concludes with a list of open problems. In this paper we solve two of these problems by showing the following facts: 1) if there is a non-supersolvable/non-solvable group of order $n$, it is not always true that its order sequence is properly dominated by the order sequence of any supersolvable/solvable group of order $n$; 2) the supersolvability of a finite group cannot be described by its order sequence.
format Preprint
id arxiv_https___arxiv_org_abs_2411_10797
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle On two problems about order sequences of finite groups
Lazorec, Mihai-Silviu
Group Theory
The order sequence of a finite group $G$ is a non-decreasing finite sequence formed of the element orders of $G$. Several properties of order sequences were studied by P. J. Cameron and H. K. Dey in a recent paper that concludes with a list of open problems. In this paper we solve two of these problems by showing the following facts: 1) if there is a non-supersolvable/non-solvable group of order $n$, it is not always true that its order sequence is properly dominated by the order sequence of any supersolvable/solvable group of order $n$; 2) the supersolvability of a finite group cannot be described by its order sequence.
title On two problems about order sequences of finite groups
topic Group Theory
url https://arxiv.org/abs/2411.10797