The KrackhardtKiteGraph command creates the Krackhardt kite graph.

The Krackhardt kite graph is an undirected graph with 10 vertices and 18 edges.

$\mathrm{with}\left(\mathrm{GraphTheory}\right)\:$

$\mathrm{with}\left(\mathrm{SpecialGraphs}\right)\:$

$\mathrm{KG}≔\mathrm{KrackhardtKiteGraph}\left(\right)$

$\mathrm{KG}≔\mathrm{Graph\; 1:\; an\; undirected\; graph\; with\; 10\; vertices\; and\; 18\; edge(s)}$

$\mathrm{IsRegular}\left(\mathrm{KG}\right)$

$\mathrm{false}$

$\mathrm{ChromaticNumber}\left(\mathrm{KG}\right)$

$4$

"Krackhardt kite graph", Wikipedia. http://en.wikipedia.org/wiki/Wells_graph

The GraphTheory[SpecialGraphs][KrackhardtKiteGraph] command was introduced in Maple 2021.

For more information on Maple 2021 changes, see Updates in Maple 2021.