Peisert graph on 49 vertices

This is one of two self-complementary, rank-3 strongly-regular graphs with parameters $(49,24,11,12)$, the other being the Paley graph $P_{49}$.

Number of vertices:$49$
Diameter:$2$
Intersection array:$\{24,12;1,12\}$
Spectrum:$24^1 3^{24} (-4)^{24}$
Automorphism group:$7^2:\left(3 \times \mathrm{SL}(2,3)\right)$
Distance-transitive:Yes
Primitive




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Last updated: 23 May 2024