The rising sun graph is the graph on 7 vertices illustrated above.
It is implemented in the Wolfram Language as GraphData["RisingSunGraph"].
Rising Sun Graph
See also
Sun GraphExplore with Wolfram|Alpha
References
Brandstädt, A.; Le, V. B.; and Spinrad, J. P. Graph Classes: A Survey. Philadelphia, PA: SIAM, p. 19, 1987.ISGCI: Information System on Graph Class Inclusions v2.0. "List of Small Graphs." http://www.graphclasses.org/smallgraphs.html.Cite this as:
Weisstein, Eric W. "Rising Sun Graph." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RisingSunGraph.html