Status: New
Owner: ----
Labels: Type-Defect Priority-Medium Combinatorics

New issue 2962 by [email protected]: Dihedral group generator wrong for n=1, 2
http://code.google.com/p/sympy/issues/detail?id=2962

In [3]: list(dihedral(1))
Out[3]: [Permutation([0]), Permutation([0])]

In [4]: list(dihedral(2))
Out[4]: [Permutation([0, 1]), Permutation([1, 0]), Permutation([1, 0]), Permutation([0, 1])]

These are obviously wrong.

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