Matrix t*K(1) in Subspace 52 with Dimension 16

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

((I/2)*t)/Sqrt[3] ((11 + I*Sqrt[3])*U)/12 0 (I*Sqrt[2] - 1/Sqrt[6])*t 0 -((3*I + Sqrt[3])*t)/(2*Sqrt[2]) 0 -((3*I + Sqrt[3])*t)/(6*Sqrt[2]) 0 0 -(Sqrt[2/3]*t) (I/Sqrt[2] + 1/Sqrt[6])*t (-(1/Sqrt[2]) - I/Sqrt[6])*t ((I/3)*(I + Sqrt[3])*U)/Sqrt[2] (I/2 - 1/Sqrt[3])*t -((-3*I + Sqrt[3])*U)/4
(I/12)*(11*I + Sqrt[3])*U ((I/2)*t)/Sqrt[3] 0 0 (2*Sqrt[2/3] - I/Sqrt[2])*t 0 0 0 -((3*I + 2*Sqrt[3])*t)/(3*Sqrt[2]) ((3*I - Sqrt[3])*t)/6 ((-9*I + Sqrt[3])*U)/(6*Sqrt[2]) ((-3*I + 7*Sqrt[3])*U)/(6*Sqrt[2]) -(Sqrt[2]*(1 + I*Sqrt[3])*U)/3 (1/Sqrt[2] - I/Sqrt[6])*t -((3*I + Sqrt[3])*U)/12 ((6*I + Sqrt[3])*t)/6
0 0 I*Sqrt[3]*t (U + I*Sqrt[3]*U)/2 0 0 ((3 + I*Sqrt[3])*t)/Sqrt[2] 0 0 0 0 0 0 0 0 0
(I*Sqrt[2] + 1/Sqrt[6])*t 0 (I/2)*(I + Sqrt[3])*U 0 0 (-I/2)*(-I + Sqrt[3])*t 0 (-I/2)*(-I + Sqrt[3])*t 0 0 0 0 (I - 1/Sqrt[3])*t 0 -(t/Sqrt[2]) 0
0 -((3*I + 4*Sqrt[3])*t)/(3*Sqrt[2]) 0 0 0 (-U - I*Sqrt[3]*U)/2 0 U t 0 0 0 0 (I + 1/Sqrt[3])*t 0 -(t/Sqrt[2])
((-3*I + Sqrt[3])*t)/(2*Sqrt[2]) 0 0 ((1 - I*Sqrt[3])*t)/2 (U - I*Sqrt[3]*U)/2 0 Sqrt[2]*U t (-U - I*Sqrt[3]*U)/2 Sqrt[2]*U t t 0 0 ((I/2)*(I + Sqrt[3])*t)/Sqrt[2] 0
0 0 (I*(3*I + Sqrt[3])*t)/Sqrt[2] 0 0 -(Sqrt[2]*U) 0 Sqrt[2]*U 0 0 0 0 0 0 0 0
((-3*I + Sqrt[3])*t)/(6*Sqrt[2]) 0 0 ((1 - I*Sqrt[3])*t)/2 -U -t -(Sqrt[2]*U) 0 (U + I*Sqrt[3]*U)/2 ((-1 - I*Sqrt[3])*U)/Sqrt[2] (I/2)*(I + Sqrt[3])*t (I/2)*(I + Sqrt[3])*t (-I + 1/Sqrt[3])*t 0 ((Sqrt[2] - I*Sqrt[6])*t)/4 0
0 (Sqrt[2/3] - I/Sqrt[2])*t 0 0 -t (U - I*Sqrt[3]*U)/2 0 (I/2)*(I + Sqrt[3])*U 0 ((1 + I*Sqrt[3])*t)/Sqrt[2] 0 0 0 (I + 1/Sqrt[3])*t 0 t/Sqrt[2]
0 ((3*I + Sqrt[3])*t)/6 0 0 0 -(Sqrt[2]*U) 0 ((1 - I*Sqrt[3])*U)/Sqrt[2] (I*(I + Sqrt[3])*t)/Sqrt[2] 0 0 0 0 (Sqrt[2/3] + I*Sqrt[2])*t 0 ((1 + I*Sqrt[3])*t)/2
Sqrt[2/3]*t -((9*I + Sqrt[3])*U)/(6*Sqrt[2]) 0 0 0 -t 0 ((1 + I*Sqrt[3])*t)/2 0 0 0 0 (-2*t)/Sqrt[3] (2*U)/Sqrt[3] ((1 - I*Sqrt[3])*t)/Sqrt[2] ((3 + I*Sqrt[3])*U)/(2*Sqrt[2])
(I/Sqrt[2] - 1/Sqrt[6])*t -((3*I + 7*Sqrt[3])*U)/(6*Sqrt[2]) 0 0 0 -t 0 ((1 + I*Sqrt[3])*t)/2 0 0 0 0 (-I + 1/Sqrt[3])*t -((3*I + Sqrt[3])*U)/3 -(Sqrt[2]*t) (Sqrt[2]*U - I*Sqrt[6]*U)/4
(1/Sqrt[2] - I/Sqrt[6])*t (Sqrt[2]*(1 - I*Sqrt[3])*U)/3 0 (I + 1/Sqrt[3])*t 0 0 0 (-I - 1/Sqrt[3])*t 0 0 (2*t)/Sqrt[3] (-I - 1/Sqrt[3])*t (I*t)/Sqrt[3] ((5 + I*Sqrt[3])*U)/6 -((3*I + Sqrt[3])*t)/(3*Sqrt[2]) 0
(Sqrt[2]*U + I*Sqrt[6]*U)/6 (-(1/Sqrt[2]) - I/Sqrt[6])*t 0 0 (I - 1/Sqrt[3])*t 0 0 0 (I - 1/Sqrt[3])*t -(Sqrt[2]*(-3*I + Sqrt[3])*t)/3 (-2*U)/Sqrt[3] ((-3*I + Sqrt[3])*U)/3 (I/6)*(5*I + Sqrt[3])*U (I*t)/Sqrt[3] -((3*I + Sqrt[3])*U)/(3*Sqrt[2]) (I/Sqrt[2] - 1/Sqrt[6])*t
(I/2 + 1/Sqrt[3])*t ((-3*I + Sqrt[3])*U)/12 0 t/Sqrt[2] 0 ((Sqrt[2] + I*Sqrt[6])*t)/4 0 ((-I/2)*(-I + Sqrt[3])*t)/Sqrt[2] 0 0 ((-1 - I*Sqrt[3])*t)/Sqrt[2] Sqrt[2]*t ((-I)/Sqrt[2] + 1/Sqrt[6])*t ((-3*I + Sqrt[3])*U)/(3*Sqrt[2]) (I/2)*Sqrt[3]*t ((3 + I*Sqrt[3])*U)/4
((3*I + Sqrt[3])*U)/4 (I - 1/(2*Sqrt[3]))*t 0 0 t/Sqrt[2] 0 0 0 -(t/Sqrt[2]) (I/2)*(I + Sqrt[3])*t ((I/2)*(3*I + Sqrt[3])*U)/Sqrt[2] ((-I/2)*(-I + Sqrt[3])*U)/Sqrt[2] 0 (I/Sqrt[2] + 1/Sqrt[6])*t (I/4)*(3*I + Sqrt[3])*U (-I/2)*Sqrt[3]*t