Cayley graph
Let G be a group. Generated by set S.
“Cayley graph Γ(G,S) encodes the structure of G.”
O --- O ---O
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O
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    Cayley graph Γ(G,S): - 
        Graph node = Group element 
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        For every g ∈ G and s ∈ S. A directed edge. Of color cₛ. From node g to node s.” 
 
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    The Cayley graph of G = ℤ mod n is the cycle graph Cₙ.