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math.GR2024
On Frobenius graphs of diameter 3 for finite groups
Thomas Breuer, László Héthelyi, Erzsébet Horváth +1
For a subgroup of a finite group , the Frobenius graph records the constituents of the restrictions to of the irreducible characters of . We investigate whe…
math.GR2016
The depth of the maximal subgroups of Ree groups
László Héthelyi, Erzsébet Horváth, Franciska Petényi
We determine the combinatorial and the ordinary depth of the maximal subgroups of the simple Ree groups, .
math.GR2014
The Maschke property for the Sylow p-subgroups of the symmetric group S_p^n
David J. Green, László Héthelyi, Erzsébet Horváth
The Sylow p-subgroups of the symmetric group S_p^n satisfy the appropriate generalization of Maschke's Theorem to the case of a p'-group acting on a (not necessarily abelian) p-gro…