def METHOD_NAME(self):
    """
    Return the degree of this group.
    EXAMPLES::
        sage: R.<x> = PolynomialRing(QQ)
        sage: f1 = x^4 - 17*x^3 - 2*x + 1
        sage: G1 = f1.galois_group(pari_group=True)
        sage: G1.degree()
        4
    """
    return self.__degree