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Isomorphism[g, h]
gives an isomorphism between graphs g and h if one exists.
Isomorphism[g, h, All]
gives all isomorphisms between graphs g and h.
gives the automorphism group of g.
  • This function takes an option Invariants->{f1, f2, ...}, where f_1,f_2,... are functions that are used to compute vertex invariants. These functions are used in the order in which they are specified.