This is one of two self-complementary, rank-3 strongly regular graphs with parameters $(2401,1200,599,600)$, the other being the Paley graph $P_{2401}$.
Number of vertices: | $2401$ |
Diameter: | $2$ |
Intersection array: | $\{1200,600;1,600\}$ |
Spectrum: | $1200^1 24^{1200} (-25)^{1200}$ |
Automorphism group: | $7^4:600:4$ |
Distance-transitive: | Yes |
Primitive |