Finite groups with few character values that are not character degrees

Sesuai Y. Madanha, X. Mbaale, Tendai M. Mudziiri Shumba

Let $G$ be a finite group and $\ddot{I}‡\in \mathrm{Irr}(G)$. Define $\mathrm{cv}(G)=\{\ddot{I}‡(g)\mid \ddot{I}‡\in \mathrm{Irr}(G),g\in G\}$, $\mathrm{cv}(\ddot{I}‡)=\{\ddot{I}‡(g)\mid g\in G\}$ and den…