Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms
Let α be an automorphism of a given group G; then, CGα=g∈G|αg=g is called the autocentralizer of α in G. In this work, we study finite groups G, which can be written as the union of autocentralizers of some automorphisms of G. In particular, if a group G is 5-A-centralizers, then we determine the ab...
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2022-01-01
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Series: | Journal of Mathematics |
Online Access: | http://dx.doi.org/10.1155/2022/4923433 |
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author | Esmat Alamshahi Mohammad Reza R. Moghaddam Mohammad Amin Rostamyari |
author_facet | Esmat Alamshahi Mohammad Reza R. Moghaddam Mohammad Amin Rostamyari |
author_sort | Esmat Alamshahi |
collection | DOAJ |
description | Let α be an automorphism of a given group G; then, CGα=g∈G|αg=g is called the autocentralizer of α in G. In this work, we study finite groups G, which can be written as the union of autocentralizers of some automorphisms of G. In particular, if a group G is 5-A-centralizers, then we determine the absolute central quotient G/LG of G, where A=AutG. Finally, it is shown that autocommutative property of a group is equivalent to the one, in which every A-centralizer of its nontrivial elements is abelian. |
format | Article |
id | doaj-art-c9dc32c633f245c4a55087eacf0d2366 |
institution | Kabale University |
issn | 2314-4785 |
language | English |
publishDate | 2022-01-01 |
publisher | Wiley |
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series | Journal of Mathematics |
spelling | doaj-art-c9dc32c633f245c4a55087eacf0d23662025-02-03T06:11:19ZengWileyJournal of Mathematics2314-47852022-01-01202210.1155/2022/4923433Finite Groups Which Are the Union of Autocentralizers of Some AutomorphismsEsmat Alamshahi0Mohammad Reza R. Moghaddam1Mohammad Amin Rostamyari2Department of MathematicsDepartment of MathematicsDepartment of MathematicsLet α be an automorphism of a given group G; then, CGα=g∈G|αg=g is called the autocentralizer of α in G. In this work, we study finite groups G, which can be written as the union of autocentralizers of some automorphisms of G. In particular, if a group G is 5-A-centralizers, then we determine the absolute central quotient G/LG of G, where A=AutG. Finally, it is shown that autocommutative property of a group is equivalent to the one, in which every A-centralizer of its nontrivial elements is abelian.http://dx.doi.org/10.1155/2022/4923433 |
spellingShingle | Esmat Alamshahi Mohammad Reza R. Moghaddam Mohammad Amin Rostamyari Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms Journal of Mathematics |
title | Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms |
title_full | Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms |
title_fullStr | Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms |
title_full_unstemmed | Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms |
title_short | Finite Groups Which Are the Union of Autocentralizers of Some Automorphisms |
title_sort | finite groups which are the union of autocentralizers of some automorphisms |
url | http://dx.doi.org/10.1155/2022/4923433 |
work_keys_str_mv | AT esmatalamshahi finitegroupswhicharetheunionofautocentralizersofsomeautomorphisms AT mohammadrezarmoghaddam finitegroupswhicharetheunionofautocentralizersofsomeautomorphisms AT mohammadaminrostamyari finitegroupswhicharetheunionofautocentralizersofsomeautomorphisms |