This graph is the complement of the Johnson graph $\mathrm{J}(43,2)$.
Number of vertices: | $903$ |
Diameter: | $2$ |
Intersection array: | $\{820,78;1,780\}$ |
Spectrum: | $820^1 1^{860} (-40)^{42}$ |
Automorphism group: | $\mathrm{S}_{43}$ |
Distance-transitive: | Yes |
Primitive |