Matrix t*K(1) in Subspace 85 with Dimension 14

(K(1) is the first-order Grosse operator)

(I/2)*Sqrt[3]*t ((3*I)/4)*(3*I + Sqrt[3])*t 0 0 (-I/2)*Sqrt[3]*U ((I/2)*(3*I + Sqrt[3])*U)/Sqrt[2] 0 (I*(3*I + Sqrt[3])*t)/Sqrt[2] ((-3*I)/2)*U (-3*(-I + Sqrt[3])*U)/(2*Sqrt[2]) (Sqrt[3]*t)/2 (-3*(-I + Sqrt[3])*t)/4 0 0
(3*(3 + I*Sqrt[3])*t)/4 (I/2)*Sqrt[3]*t ((3 - I*Sqrt[3])*U)/4 ((3 - I*Sqrt[3])*t)/Sqrt[2] 0 0 0 0 0 0 ((-3*I + Sqrt[3])*t)/4 ((3*I)/2)*t ((3*I + Sqrt[3])*U)/4 0
0 (-I/4)*(-3*I + Sqrt[3])*U (I/2)*Sqrt[3]*t ((3 + I*Sqrt[3])*U)/(2*Sqrt[2]) (3*t)/2 0 ((-3 - I*Sqrt[3])*t)/Sqrt[2] 0 -(Sqrt[3]*t)/2 -(Sqrt[6]*t) 0 -((-3*I + Sqrt[3])*U)/4 -(Sqrt[3]*t)/2 -((-3*I + Sqrt[3])*U)/(2*Sqrt[2])
0 ((-3 - I*Sqrt[3])*t)/Sqrt[2] ((I/2)*(3*I + Sqrt[3])*U)/Sqrt[2] 0 0 0 0 0 0 0 ((3*I + Sqrt[3])*t)/Sqrt[2] 0 ((3*I + Sqrt[3])*U)/(2*Sqrt[2]) 0
(-I/2)*Sqrt[3]*U 0 (-3*t)/2 0 (I/2)*Sqrt[3]*t ((3 - I*Sqrt[3])*t)/(2*Sqrt[2]) 0 0 ((-3*I)/2)*t (3*(-I + Sqrt[3])*t)/(2*Sqrt[2]) (Sqrt[3]*U)/2 0 ((-3*I)/2 + Sqrt[3])*t 0
((3 + I*Sqrt[3])*U)/(2*Sqrt[2]) 0 0 0 ((-I/2)*(-3*I + Sqrt[3])*t)/Sqrt[2] 0 0 0 (-3*(I + Sqrt[3])*t)/(2*Sqrt[2]) 0 ((-3*I + Sqrt[3])*U)/(2*Sqrt[2]) 0 0 0
0 0 ((3 - I*Sqrt[3])*t)/Sqrt[2] 0 0 0 0 0 0 0 0 0 ((3*I + Sqrt[3])*t)/Sqrt[2] 0
((3 + I*Sqrt[3])*t)/Sqrt[2] 0 0 0 0 0 0 0 0 0 ((-3*I + Sqrt[3])*t)/Sqrt[2] 0 0 0
((-3*I)/2)*U 0 (Sqrt[3]*t)/2 0 ((-3*I)/2)*t (3*(-I + Sqrt[3])*t)/(2*Sqrt[2]) 0 0 (-I/2)*Sqrt[3]*t ((I/2)*(3*I + Sqrt[3])*t)/Sqrt[2] -U/2 0 (-1 + (I/2)*Sqrt[3])*t 0
(3*(I + Sqrt[3])*U)/(2*Sqrt[2]) 0 Sqrt[6]*t 0 (-3*(I + Sqrt[3])*t)/(2*Sqrt[2]) 0 0 0 ((3 + I*Sqrt[3])*t)/(2*Sqrt[2]) 0 ((I/2)*(I + Sqrt[3])*U)/Sqrt[2] 0 Sqrt[2]*t 0
-(Sqrt[3]*t)/2 ((-3*I - Sqrt[3])*t)/4 0 -(((-3*I + Sqrt[3])*t)/Sqrt[2]) -(Sqrt[3]*U)/2 -((3*I + Sqrt[3])*U)/(2*Sqrt[2]) 0 -(((3*I + Sqrt[3])*t)/Sqrt[2]) U/2 (Sqrt[2]*U + I*Sqrt[6]*U)/4 (I/2)*Sqrt[3]*t (-I/4)*(-I + Sqrt[3])*t 0 ((1 - I*Sqrt[3])*t)/Sqrt[2]
(3*(I + Sqrt[3])*t)/4 ((3*I)/2)*t ((3*I + Sqrt[3])*U)/4 0 0 0 0 0 0 0 ((1 - I*Sqrt[3])*t)/4 (-I/2)*Sqrt[3]*t (U - (3*I)*Sqrt[3]*U)/4 (I*(3*I + Sqrt[3])*t)/Sqrt[2]
0 -((-3*I + Sqrt[3])*U)/4 (Sqrt[3]*t)/2 -((-3*I + Sqrt[3])*U)/(2*Sqrt[2]) ((-3*I)/2 - Sqrt[3])*t 0 -(((-3*I + Sqrt[3])*t)/Sqrt[2]) 0 (1 + (I/2)*Sqrt[3])*t -(Sqrt[2]*t) 0 (-U - (3*I)*Sqrt[3]*U)/4 (I/2)*Sqrt[3]*t ((5 - I*Sqrt[3])*U)/(2*Sqrt[2])
0 0 ((3*I + Sqrt[3])*U)/(2*Sqrt[2]) 0 0 0 0 0 0 0 ((-1 - I*Sqrt[3])*t)/Sqrt[2] ((3 + I*Sqrt[3])*t)/Sqrt[2] ((-I/2)*(-5*I + Sqrt[3])*U)/Sqrt[2] 0