(self)
return n**2 - 1
Returns the number of independent generators of A_n
Returns the number of independent generators of A_n
Returns the number of independent generators of A_n
def basis(self):
        """
        Returns the number of independent generators of A_n
        """
        n = self.n
        return n**2 - 1
def basis ( self ) : n = self . n return n ** 2 - 1