(self, alpha)
return PermGroup(_stabilizer(self._degree, self._generators, alpha))
r"""Return the stabilizer subgroup of ``alpha``.

        The stabilizer of ``\alpha`` is the group ``G_\alpha =
        \{g \in G | g(\alpha) = \alpha\}``.
        For a proof of correctness, see [1], p.79.

        Examples
        ========

        >>> from sympy.combinatorics import Permutation
        >>> Permutation.print_cyclic = True
        >>> from sympy.combinatorics.perm_groups import PermutationGroup
        >>> from sympy.combinatorics.named_groups import DihedralGroup
        >>> G = DihedralGroup(6)
        >>> G.stabilizer(5)
        PermutationGroup([
            Permutation(5)(0, 4)(1, 3),
            Permutation(5)])

        See Also
        ========

        orbit
r"""Return the stabilizer subgroup of ``alpha``.
r Return the stabilizer subgroup of alpha .
def stabilizer(self, alpha):
        r"""Return the stabilizer subgroup of ``alpha``.

        The stabilizer of ``\alpha`` is the group ``G_\alpha =
        \{g \in G | g(\alpha) = \alpha\}``.
        For a proof of correctness, see [1], p.79.

        Examples
        ========

        >>> from sympy.combinatorics import Permutation
        >>> Permutation.print_cyclic = True
        >>> from sympy.combinatorics.perm_groups import PermutationGroup
        >>> from sympy.combinatorics.named_groups import DihedralGroup
        >>> G = DihedralGroup(6)
        >>> G.stabilizer(5)
        PermutationGroup([
            Permutation(5)(0, 4)(1, 3),
            Permutation(5)])

        See Also
        ========

        orbit

        """
        return PermGroup(_stabilizer(self._degree, self._generators, alpha))
def stabilizer ( self , alpha ) : return PermGroup ( _stabilizer ( self . _degree , self . _generators , alpha ) )