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NORMAL SUBGROUPS WHOSE CONJUGACY CLASS GRAPH HAS DIAMETER THREE

Published online by Cambridge University Press:  16 March 2016

ANTONIO BELTRÁN*
Affiliation:
Departamento de Matemáticas, Universidad Jaume I, 12071 Castellón, Spain email abeltran@mat.uji.es
MARÍA JOSÉ FELIPE
Affiliation:
Instituto Universitario de Matemática Pura y Aplicada, Universidad Politécnica de Valencia, 46022 Valencia, Spain email mfelipe@mat.upv.es
CARMEN MELCHOR
Affiliation:
Departamento de Educación, Universidad Jaume I, 12071 Castellón, Spain email cmelchor@uji.es
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Abstract

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Let $G$ be a finite group and let $N$ be a normal subgroup of $G$ . We determine the structure of $N$ when the diameter of the graph associated to the $G$ -conjugacy classes contained in $N$ is as large as possible, that is, equal to three.

Information

Type
Research Article
Copyright
© 2016 Australian Mathematical Publishing Association Inc.