sage: J = ComplexHermitianEJA(3)
sage: J.one()
- e0 + e5 + e8
+ e0 + e3 + e8
sage: J.one().natural_representation()
[1 0 0 0 0 0]
[0 1 0 0 0 0]
sage: J = QuaternionHermitianEJA(3)
sage: J.one()
- e0 + e9 + e14
+ e0 + e5 + e14
sage: J.one().natural_representation()
[1 0 0 0 0 0 0 0 0 0 0 0]
[0 1 0 0 0 0 0 0 0 0 0 0]