Non-solvable groups whose character degree graph has a cut-vertex. II

Silvio Dolfi, Emanuele Pacifici, Lucia Sanus

Let $G$ be a finite group, and let $\mathrm{cd}(G)$ denote the set of degrees of the irreducible complex characters of $G$. Define then the character degree graph $\Delta (G)$ as the (simp…