The complement of this graph is the Kneser graph $\mathrm{K}(19,2)$.
| Number of vertices: | $171$ |
| Diameter: | $2$ |
| Intersection array: | $\{34,16;1,4\}$ |
| Spectrum: | $34^1 15^{18} (-2)^{152}$ |
| Automorphism group: | $\mathrm{S}_{19}$ |
| Distance-transitive: | Yes |
| Primitive |