This graph is the complement of the Johnson graph $\mathrm{J}(38,2)$.
| Number of vertices: | $703$ |
| Diameter: | $2$ |
| Intersection array: | $\{630,68;1,595\}$ |
| Spectrum: | $630^1 1^{665} (-35)^{37}$ |
| Automorphism group: | $\mathrm{S}_{38}$ |
| Distance-transitive: | Yes |
| Primitive |