This graph is the unique rank-4 $\mathrm{SRG}(325,60,15,10)$.
| Number of vertices: | $325$ |
| Diameter: | $2$ |
| Intersection array: | $\{60,44;1,10\}$ |
| Spectrum: | $60^1 10^{104} (-5)^{220}$ |
| Automorphism group: | $\mathrm{PGO}(5,5) \cong \mathrm{PSp}(4,5).2$ |
| Distance-transitive: | No |
| Primitive |