element should always be in terms of minimal idempotents::
sage: J = JordanSpinEJA(4)
- sage: x = sum( i*J.gens()[i] for i in range(len(J.gens())) )
+ sage: x = sum( i*J.monomial(i) for i in range(len(J.gens())) )
sage: x.is_regular()
True
sage: [ c.is_primitive_idempotent()