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On Sylow permutable subgroups of finite groups

  • Adolfo Ballester-Bolinches EMAIL logo , Hermann Heineken and Francesca Spagnuolo
Published/Copyright: February 21, 2017

Abstract

A subgroup H of a group G is called Sylow permutable, or S-permutable, in G if H permutes with all Sylow p-subgroups of G for all primes p. A group G is said to be a PST-group if Sylow permutability is a transitive relation in G. We show that a group G which is factorised by a normal subgroup and a subnormal PST-subgroup of odd order is supersoluble. As a consequence, the normal closure SG of a subnormal PST-subgroup S of odd order of a group G is supersoluble, and the subgroup generated by subnormal PST-subgroups of G of odd order is supersoluble as well.


Dedicated to Professor James C. Beidleman on his 80th birthday



Communicated by Manfred Droste


Award Identifier / Grant number: MTM2014-54707-C3-1-P

Award Identifier / Grant number: 11271085

Award Identifier / Grant number: 2015A030313791

Funding statement: The first and third author have been supported by the grant MTM2014-54707-C3-1-P from the Ministerio de Economía y Competitividad, Spain, and FEDER, European Union. The first author has also been supported by a project from the National Natural Science Foundation of China (No. 11271085) and a project of Natural Science Foundation of Guangdong Province (No. 2015A030313791).

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Received: 2016-12-23
Published Online: 2017-2-21
Published in Print: 2017-11-1

© 2017 Walter de Gruyter GmbH, Berlin/Boston

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