| Number of vertices: | $252$ |
| Diameter: | $9$ |
| Intersection array: | $\{5,4,4,3,3,2,2,1,1;1,1,2,2,3,3,4,4,5\}$ |
| Spectrum: | $5^1 4^8 3^{27} 2^{48} 1^{42} (-1)^{42} (-2)^{48} (-3)^{27} (-4)^8 (-5)^1$ |
| Automorphism group: | $S_{9} \times 2$ |
| Distance-transitive: | Yes |
| Bipartite, Antipodal |