'Returns all the elements of the permutation group as a list
Examples
>>> from sympy.combinatorics import Permutation, PermutationGroup
>>> p = PermutationGroup(Permutation(1, 3), Permutation(1, 2))
>>> p._elements
[(3), (3)(1 2), (1 3), (2 3), (1 2 3), (1 3 2)]'

@property
def _elements(self):

    return list(islice(self.generate(), None))
