Geodesic
Graphical Frobenius representations of non-abelian groups
Ars Mathematica Contemporanea, Tome 20 (2021) no. 1, pp. 89-102.

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A group G has a Frobenius graphical representation (GFR) if there is a simple graph Γ whose full automorphism group is isomorphic to G acting on the vertices as a Frobenius group. In particular, any group G with a GFR is a Frobenius group and Γ is a Cayley graph. By very recent results of Spiga, there exists a function f such that if G is a finite Frobenius group with complement H and |G| > f(|H|) then G admits a GFR. This paper provides an infinite family of graphs that admit GFRs despite not meeting Spiga’s bound. In our construction, the group G is the Higman group A(f, q0) for an infinite sequence of f and q0, having a nonabelian kernel and a complement of odd order.
DOI : 10.26493/1855-3974.2154.cda
Keywords: Cayley graph, Frobenius group, Suzuki 2-group, Frobenius graphical representation 
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Gábor Korchmáros; Gábor Péter Nagy. Graphical Frobenius representations of non-abelian groups. Ars Mathematica Contemporanea, Tome 20 (2021) no. 1, pp. 89-102. doi : 10.26493/1855-3974.2154.cda. http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2154.cda/

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