The complement of this graph is the Kneser graph $\mathrm{K}(26,2)$.
| Number of vertices: | $325$ |
| Diameter: | $2$ |
| Intersection array: | $\{48,23;1,4\}$ |
| Spectrum: | $48^1 22^{25} (-2)^{299}$ |
| Automorphism group: | $\mathrm{S}_{26}$ |
| Distance-transitive: | Yes |
| Primitive |