Paley graph $P_{61}$

Number of vertices:$61$
Diameter:$2$
Intersection array:$\{30,15; 1,15\}$
Spectrum:$30^1 \left(\frac{-1+\sqrt{61}}{2}\right)^{30} \left(\frac{-1-\sqrt{61}}{2}\right)^{30}$
Automorphism group:$61:30$
Distance-transitive:Yes
Primitive




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Last updated: 4 February 2017