The set of all edge automorphisms of , denoted . Let be the line graph of a graph . Then the edge automorphism group is isomorphic to ,
(Holton and Sheehan 1993, p. 26).
The set of all edge automorphisms of , denoted . Let be the line graph of a graph . Then the edge automorphism group is isomorphic to ,
(Holton and Sheehan 1993, p. 26).
Weisstein, Eric W. "Edge Automorphism Group." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/EdgeAutomorphismGroup.html