| Number of vertices: | $1013$ |
| Diameter: | $2$ |
| Intersection array: | $\{506,253;1,253\}$ |
| Spectrum: | $506^1 \left(\frac{-1+\sqrt{1013}}{2}\right)^{506} \left(\frac{-1-\sqrt{1013}}{2}\right)^{506}$ |
| Automorphism group: | $1013:506$ |
| Distance-transitive: | Yes |
| Primitive |