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Strong Gelfand Pairs of the Dihedral and Dicyclic Groups
Published 14 Aug 2025 in math.RT and math.GR | (2508.10756v1)
Abstract: A strong Gelfand pair $(G, H)$ is a finite group $G$ and a subgroup $H$ where every irreducible character of $H$ induces to a multiplicity-free character of $G$. We determine the strong Gelfand pairs of the dihedral groups $D_{2n}$ and the dicyclic groups $Dic_{4n}$ for all $n$.
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