The complement of this graph is the Kneser graph $\mathrm{K}(20,2)$.
| Number of vertices: | $190$ |
| Diameter: | $2$ |
| Intersection array: | $\{36,17;1,4\}$ |
| Spectrum: | $36^1 16^{19} (-2)^{170}$ |
| Automorphism group: | $\mathrm{S}_{20}$ |
| Distance-transitive: | Yes |
| Primitive |