Variations on average character degrees and solvability

Neda Ahanjideh, Zeinab Akhlaghi, Kamal Aziziheris

Let $G$ be a finite group, $\mathbb{F}$ be one of the fields $\mathbb{Q},\mathbb{R}$ or $\mathbb{C}$, and $N$ be a non-trivial normal subgroup of $G$. Let ${\mathrm{acd}}_{\mathbb{F}}^{\ast }(G)$…