The prime graph of finite group $G$, is as follows: the vertex set is prime divisor of $|G|$ and two distinct vertices $p$ and $q$ are joined by an edge if and only if $G$ has an element of order $pq$. Let $G$ be a simple group such that $|G|\mid q(q^{2}-1)/2$ where $q=p^{n}$, $p$ is prime ($p\mid |G|$). Let the number of connected components of prime graph $G$ are at least $2$ ( $p$ is an isolated vertex).

My question: Is there any classification for such group $G$?