$\text{Soicher's } 2^{\text{nd}}\text{ graph}$

Number of vertices:$486$
Diameter:$4$
Intersection array:$\{56,45,16,1;1,8,45,56\}$
Spectrum:$56^1 14^{72} 2^{140} (-4)^{252} (-16)^{21}$
Automorphism group:$3.PSU(4,3):2^2$
Distance-transitive:$\text{Yes}$
Antipodal




$\text{Downloads}$

References

Back to: A-Z indexGraphs with more than 200 verticesGraphs with diameter 4Graphs from Golay code and Witt designs
Last updated: 29 August 2019