The transitivity class of a tile in a monohedral tiling 
is the collection of all tiles to which it can be mapped by an element of 
, the group of symmetries that map 
onto itself.
Transitivity Class
See also
Monohedral TilingExplore with Wolfram|Alpha
References
Berglund, J. "Is There a
-Anisohedral Tile for 
?" Amer. Math. Monthly 100, 585-588,
1993.Referenced on Wolfram|Alpha
Transitivity ClassCite this as:
Weisstein, Eric W. "Transitivity Class." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/TransitivityClass.html