Matrix t
2
*K
(2)
in Subspace 169 with Dimension 2
(K
(2)
is the second-order Grosse operator)
(-3*t*U)/2
(-I/4)*(-I + Sqrt[3])*(8*t^2 + U^2)
(I/4)*(I + Sqrt[3])*(8*t^2 + U^2)
(-3*t*U)/2