This graph is the complement of the Johnson graph $\mathrm{J}(34,2)$.
Number of vertices: | $561$ |
Diameter: | $2$ |
Intersection array: | $\{496,60;1,465\}$ |
Spectrum: | $496^1 1^{527} (-31)^{33}$ |
Automorphism group: | $\mathrm{S}_{34}$ |
Distance-transitive: | Yes |
Primitive |