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ON THE GENERATING GRAPH OF A SIMPLE GROUP

Part of: Representation theory of groups Probabilistic methods in group theory

Published online by Cambridge University Press:  26 September 2016

ANDREA LUCCHINI ,
ATTILA MARÓTI  and
COLVA M. RONEY-DOUGAL
ANDREA LUCCHINI
Affiliation:
Dipartimento di Matematica, Università degli studi di Padova, Via Trieste 63, 35121 Padova, Italy email [email protected]
ATTILA MARÓTI
Affiliation:
MTA Alfréd Rényi Institute of Mathematics, Reáltanoda utca 13–15, H-1053, Budapest, Hungary email [email protected]
COLVA M. RONEY-DOUGAL*
Affiliation:
Mathematical Institute, University of St Andrews, St Andrews, Fife KY16 9SS, UK email [email protected]
*
✉[email protected]
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Abstract

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The generating graph $\unicode[STIX]{x1D6E4}(H)$ of a finite group $H$ is the graph defined on the elements of $H$, with an edge between two vertices if and only if they generate $H$. We show that if $H$ is a sufficiently large simple group with $\unicode[STIX]{x1D6E4}(G)\cong \unicode[STIX]{x1D6E4}(H)$ for a finite group $G$, then $G\cong H$. We also prove that the generating graph of a symmetric group determines the group.

Keywords

generating graphfinite group

MSC classification

Primary: 20D06: Simple groups
Secondary: 20P05: Probabilistic methods in group theory
Type
Research Article
Information
Journal of the Australian Mathematical Society , Volume 103 , Issue 1 , August 2017 , pp. 91 - 103
Copyright
© 2016 Australian Mathematical Publishing Association Inc. 

Footnotes

The authors were supported by Università di Padova (Progetto di Ricerca di Ateneo: Invariable generation of groups). The second author was also supported by an Alexander von Humboldt Fellowship for Experienced Researchers, by OTKA grants K84233 and K115799, and by the MTA Rényi Lendület Groups and Graphs Research Group.

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