Glasnik Matematicki, Vol. 51, No. 1 (2016), 117-123.

A NOTE ON AUTOMORPHISMS OF FINITE P-GROUPS

Gustavo A. Fernández-Alcober and Anitha Thillaisundaram

Mathematisches Institut, Heinrich-Heine Universität, 40225 Düsseldorf, Germany
e-mail: anitha.t@cantab.net

Abstract.   Let G be a finite non-cyclic p-group of order at least p³. If G has an abelian maximal subgroup, or if G has an elementary abelian centre with C_G(Z(φ(G))) ≠ φ(G), then |G| divides |Aut(G)|.

2010 Mathematics Subject Classification.   20D15, 20D45.

Key words and phrases.   Finite p-groups, automorphisms.

DOI: 10.3336/gm.51.1.07

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