Paley graph P997 | DistanceRegular.org

Paley graph $P_{997}$

Number of vertices:	$997$
Diameter:	$2$
Intersection array:	$\{498,249;1,249\}$
Spectrum:	$498^1 \left(\frac{-1+\sqrt{997}}{2}\right)^{498} \left(\frac{-1-\sqrt{997}}{2}\right)^{498}$
Automorphism group:	$997:498$
Distance-transitive:	Yes
Primitive