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Simplicity of normal subgroups and conjugacy class sizes

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Simplicity of normal subgroups and conjugacy class sizes

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Beltrán, A.; Felipe Román, MJ. (2014). Simplicity of normal subgroups and conjugacy class sizes. Monatshefte für Mathematik. 175(4):485-490. doi:10.1007/s00605-013-0602-2

Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/60336

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Title: Simplicity of normal subgroups and conjugacy class sizes
Author:
UPV Unit: Universitat Politècnica de València. Departamento de Matemática Aplicada - Departament de Matemàtica Aplicada
Issued date:
Abstract:
Given a finite group G which possesses a non-abelian simple normal subgroup N having exactly four G-class sizes, we prove that N is isomorphic to PSL(2,2a) with a≥2. Thus, we obtain an extension for normal subgroups of the ...[+]
Subjects: Finite groups , Conjugacy class sizes , Normal subgroups , Simple groups
Copyrigths: Cerrado
Source:
Monatshefte für Mathematik. (issn: 0026-9255 )
DOI: 10.1007/s00605-013-0602-2
Publisher:
Springer Verlag (Germany)
Publisher version: http://dx.doi.org/10.1007/s00605-013-0602-2
Thanks:
This research is supported by the Valencian Government, Proyecto PROMETEO/2011/30, by the Spanish Government, Proyecto MTM2010-19938-C03-02 and the first author is also supported by grant Fundacio Bancaixa P11B2010-47.
Type: Artículo

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