def __init__(self, parent, g, check=False):
        """
        EXAMPLES::

            sage: G = WeylGroup(['A',2])
            sage: s1 = G.simple_reflection(1)
            sage: TestSuite(s1).run()
        """
        MatrixGroupElement_gap.__init__(self, parent, g, check=check)
        self._parent = parent

    def _latex_(self):
        """
        EXAMPLES::

            sage: W = WeylGroup(['A',2,1], prefix="s")
            sage: [s0,s1,s2]=W.simple_reflections()
            sage: latex(s0*s1) # indirect doctest
            s_{0}s_{1}
            sage: W = WeylGroup(['A',2,1])
            sage: [s0,s1,s2]=W.simple_reflections()
            sage: latex(s0*s1)
            \left(\begin{array}{rrr}
            0 & -1 & 2 \\
            1 & -1 & 1 \\
            0 & 0 & 1
            \end{array}\right)
        """
        if self._parent._prefix is None:
            return MatrixGroupElement_gap._latex_(self)
        else:
            redword = self.reduced_word()
            if len(redword) == 0:
                return "1"
            else:
                return "".join(["%s_{%d}"%(self._parent._prefix, i) for i in redword])

    def _repr_(self):
        """
        EXAMPLES::

            sage: W = WeylGroup(['A',2,1], prefix="s")
            sage: [s0,s1,s2] = W.simple_reflections()
            sage: s0*s1
            s0*s1
            sage: W = WeylGroup(['A',2,1])
            sage: [s0,s1,s2]=W.simple_reflections()
            sage: s0*s1
            [ 0 -1  2]
            [ 1 -1  1]
            [ 0  0  1]
        """
        if self._parent._prefix is None:
            return MatrixGroupElement_gap._repr_(self)
        else:
            redword = self.reduced_word()
            if len(redword) == 0:
                return "1"
            else:
                ret = ""
                for i in redword[:-1]:
                    ret += "%s%d*"%(self._parent._prefix, i)
            return ret + "%s%d"%(self._parent._prefix, redword[-1])