M22Graph - Maple Help

GraphTheory[SpecialGraphs]

 M22Graph
 construct M22 graph

 Calling Sequence M22Graph()

Description

 • The M22Graph command creates the M22 graph.
 • The M22 graph is a 16-regular graph with 77 vertices and 616 edges.

Examples

 > $\mathrm{with}\left(\mathrm{GraphTheory}\right):$
 > $\mathrm{with}\left(\mathrm{SpecialGraphs}\right):$
 > $G≔\mathrm{M22Graph}\left(\right)$
 ${G}{≔}{\mathrm{Graph 1: an undirected unweighted graph with 77 vertices and 616 edge\left(s\right)}}$ (1)
 > $\mathrm{IsStronglyRegular}\left(G,'\mathrm{parameters}'\right)$
 ${\mathrm{true}}{,}\left[{16}{,}{0}{,}{4}\right]$ (2)
 > $\mathrm{ChromaticNumber}\left(G\right)$
 ${5}$ (3)

References

 "M22 graph", Wikipedia. http://en.wikipedia.org/wiki/M22_graph

Compatibility

 • The GraphTheory[SpecialGraphs][M22Graph] command was introduced in Maple 2020.