This graph is the bipartite double of the odd graph $O_7$.
Number of vertices: | $3432$ |
Diameter: | $13$ |
Intersection array: | $\{7,6,6,5,5,4,4,3,3,2,2,1,1;1,1,2,2,3,3,4,4,5,5,6,6,7\}$ |
Spectrum: | $7^1 6^{12} 5^{65} 4^{208} 3^{429} 2^{572} 1^{429} (-1)^{429} (-2)^{572} (-3)^{429} (-4)^{208} (-5)^{65} (-6)^{12} (-7)^1$ |
Automorphism group: | $\mathrm{S}_{13} \times \mathbb{Z}_2$ |
Distance-transitive: | Yes |
Bipartite, Antipodal |