Daniel Gorenstein, Koichiro Harada, Finite Groups Whose Sylow 2-Subgroups are the Direct Product of Two Dihedral Groups, Annals of Mathematics, Vol. 95, No. 1 (Jan., 1972), pp. 1-54 ...

By utilising the inherent symmetry of finite groups, researchers have established necessary and sufficient conditions for integrality in graphs derived from groups such as dihedral and dicyclic.

Let I(G), A(G) and E(G) denote respectively the inner automorphism, automorphism and endomorphism near-ring of a finite group G. In this paper we determine the orders of I(G), A(G) and E(G) for some ...