Matrix t*K(1) in Subspace 109 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 ((-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 (I*(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 (I*(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 ((-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 ((-1 + (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 (I*(I + Sqrt[3])*t)/Sqrt[2] ((3 - I*Sqrt[3])*t)/Sqrt[2] ((I/2)*(5*I + Sqrt[3])*U)/Sqrt[2] 0