Incidence graph of PG(3,3) | DistanceRegular.org

Incidence graph of $PG(3,3)$

Number of vertices:	$80$
Diameter:	$3$
Intersection array:	$\{13,12,9;1,4,12\}$
Spectrum:	$13^1 3^{39} (-3)^{39} (-13)^1$
Automorphism group:	$\mathrm{Aut}(\mathrm{PSL}(4,3)) \cong \mathrm{PSL}(4,3):2^2$
Distance-transitive:	Yes
Bipartite

Last updated: 31 March 2019