This graph is one of two rank-3 strongly regular graphs with parameters $(3280,1092,362,364)$ the other being the $\mathrm{Sp}_8(3)$ graph.
| Number of vertices: | $3280$ |
| Diameter: | $2$ |
| Intersection array: | $\{1092,729;1,364\}$ |
| Spectrum: | $1092^1 26^{1680} (-28)^{1599}$ |
| Automorphism group: | $\mathrm{O}(9,3):2$ |
| Distance-transitive: | Yes |
| Primitive |