A note on semidirect products and nonabelian tensor products of groups

Let \(G\) and \(H\) be groups which act compatibly on one another. In [2] and [8] it is considered a group construction \(\eta(G,H)\) which is related to the nonabelian tensor product \(G \otimes H\). In this note we study embedding questions of certain semidirect products \(A \rtimes H\) into \(\et...

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Date:2018
Main Authors: Nakaoka, Irene N., Rocco, Noraı R.
Format: Article
Language:English
Published: Lugansk National Taras Shevchenko University 2018
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Online Access:https://admjournal.luguniv.edu.ua/index.php/adm/article/view/789
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Journal Title:Algebra and Discrete Mathematics

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Algebra and Discrete Mathematics
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author Nakaoka, Irene N.
Rocco, Noraı R.
author_facet Nakaoka, Irene N.
Rocco, Noraı R.
author_sort Nakaoka, Irene N.
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datestamp_date 2018-04-04T08:43:10Z
description Let \(G\) and \(H\) be groups which act compatibly on one another. In [2] and [8] it is considered a group construction \(\eta(G,H)\) which is related to the nonabelian tensor product \(G \otimes H\). In this note we study embedding questions of certain semidirect products \(A \rtimes H\) into \(\eta(A, H)\), for finite abelian \(H\)-groups \(A\). As a consequence of our results we obtain that complete Frobenius groups and affine  groups over finite fields are embedded into \(\eta(A, H)\) for convenient groups \(A\) and \(H\). Further, on considering finite metabelian groups \(G\) in which the derived subgroup has order coprime with its index we establish the order of the nonabelian tensor square of \(G\).
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spelling admjournalluguniveduua-article-7892018-04-04T08:43:10Z A note on semidirect products and nonabelian tensor products of groups Nakaoka, Irene N. Rocco, Noraı R. Semidirect products, Nonabelian tensor products, Frobenius Groups, Affine Groups 20J99, 20E22 Let \(G\) and \(H\) be groups which act compatibly on one another. In [2] and [8] it is considered a group construction \(\eta(G,H)\) which is related to the nonabelian tensor product \(G \otimes H\). In this note we study embedding questions of certain semidirect products \(A \rtimes H\) into \(\eta(A, H)\), for finite abelian \(H\)-groups \(A\). As a consequence of our results we obtain that complete Frobenius groups and affine  groups over finite fields are embedded into \(\eta(A, H)\) for convenient groups \(A\) and \(H\). Further, on considering finite metabelian groups \(G\) in which the derived subgroup has order coprime with its index we establish the order of the nonabelian tensor square of \(G\). Lugansk National Taras Shevchenko University 2018-04-04 Article Article Peer-reviewed Article application/pdf https://admjournal.luguniv.edu.ua/index.php/adm/article/view/789 Algebra and Discrete Mathematics; Vol 8, No 3 (2009) 2415-721X 1726-3255 en https://admjournal.luguniv.edu.ua/index.php/adm/article/view/789/319 Copyright (c) 2018 Algebra and Discrete Mathematics
spellingShingle Semidirect products
Nonabelian tensor products
Frobenius Groups
Affine Groups
20J99
20E22
Nakaoka, Irene N.
Rocco, Noraı R.
A note on semidirect products and nonabelian tensor products of groups
title A note on semidirect products and nonabelian tensor products of groups
title_full A note on semidirect products and nonabelian tensor products of groups
title_fullStr A note on semidirect products and nonabelian tensor products of groups
title_full_unstemmed A note on semidirect products and nonabelian tensor products of groups
title_short A note on semidirect products and nonabelian tensor products of groups
title_sort note on semidirect products and nonabelian tensor products of groups
topic Semidirect products
Nonabelian tensor products
Frobenius Groups
Affine Groups
20J99
20E22
topic_facet Semidirect products
Nonabelian tensor products
Frobenius Groups
Affine Groups
20J99
20E22
url https://admjournal.luguniv.edu.ua/index.php/adm/article/view/789
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