Paley graph $P_{181}$

Number of vertices:$181$
Diameter:$2$
Intersection array:$\{90,45;1,45\}$
Spectrum:$90^1 \left(\frac{-1+\sqrt{181}}{2}\right)^{90} \left(\frac{-1-\sqrt{181}}{2}\right)^{90}$
Automorphism group:$181:90$
Distance-transitive:Yes
Primitive




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Last updated: 22 July 2024