The multiplicity of a multigraph is its maximum edge multiplicity.
Graph Multiplicity
See also
Edge Multiplicity, Multigraph, OutdegreeExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Graph Multiplicity." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/GraphMultiplicity.html