Generalized quaternion NCI-groups, NNN-groups and NNND-groups

Jun-Feng Yang, jia-Li Du, Yan-Quan Feng +1

A Cayley (di)graph $\Cay(G,S)$ of a finite group $G$ is called CI if, for every Cayley (di)graph $\Cay(G,T)$ of $G$, $\Cay(G,S)\cong \Cay(G,T)$ implies that $S^{\ddot{I}}ƒ=T$ for some $σ\i…