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




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Last updated: 31 March 2019