This is one of two self-complementary, rank-3 strongly-regular graphs with parameters $(361,180,89,90)$, the other being the Peisert graph on 361 vertices.
Number of vertices: | $361$ |
Diameter: | $2$ |
Intersection array: | $\{180,90;1,90\}$ |
Spectrum: | $180^1 9^{180} (-10)^{180}$ |
Automorphism group: | $19^2:180:2$ |
Distance-transitive: | Yes |
Primitive |