On vertex-uniprimitive non-Cayley graphs of order pq

Let $p$ and $q$ be distinct odd primes. Let $Γ=(V(Γ), E(Γ))$ be a non-Cayley vertex-transitive graph of order $pq.$ Let $G\leq \Aut(Γ)$ acts primitively on the vertex set $V(Γ)$. In this paper, we show that $G$ is uniprimitive which is primitive but not 2-transitive and we obtain some information about $p, q$ and the minimality of the Socle $T=\soc(G).$

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