Matrix t*K(1) in Subspace 40 with Dimension 16

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

((I/2)*t)/Sqrt[3] (I/12)*(13*I + Sqrt[3])*U -(Sqrt[3/2]*t) 0 (I/2)*t -((9*I + Sqrt[3])*U)/(6*Sqrt[2]) -((3*I + 7*Sqrt[3])*U)/(6*Sqrt[2]) (3*t)/Sqrt[2] 0 (I/2)*Sqrt[3]*t (1/Sqrt[2] - I/Sqrt[6])*t ((I/3)*(I + Sqrt[3])*U)/Sqrt[2] (((3 - I)*Sqrt[18 - 6*Sqrt[3]] - (3 + I)*Sqrt[6 - 2*Sqrt[3]])*t)/(2*Sqrt[2]*(-3 + Sqrt[3])) ((3 - I + (3 + I)*Sqrt[3])*t)/(2*Sqrt[3 + Sqrt[3]]) (-I - 1/(2*Sqrt[3]))*t -((-3*I + Sqrt[3])*U)/4
((13 + I*Sqrt[3])*U)/12 ((-I/2)*t)/Sqrt[3] 0 (I/2 - 2/Sqrt[3])*t 0 (I/Sqrt[2] - 1/Sqrt[6])*t Sqrt[2/3]*t 0 (3*t)/2 0 -(Sqrt[2]*(1 + I*Sqrt[3])*U)/3 (1/Sqrt[2] + I/Sqrt[6])*t 0 0 -((3*I + Sqrt[3])*U)/12 (-I/2 + 1/Sqrt[3])*t
Sqrt[3/2]*t 0 0 ((I/2)*(3*I + Sqrt[3])*U)/Sqrt[2] ((3 + I*Sqrt[3])*t)/Sqrt[2] 0 0 0 -((3*I + Sqrt[3])*U)/(2*Sqrt[2]) 0 0 0 0 0 -(t/Sqrt[2]) 0
0 (I/2 + 2/Sqrt[3])*t ((3 + I*Sqrt[3])*U)/(2*Sqrt[2]) (-I/2)*Sqrt[3]*t (-I/4)*(-3*I + Sqrt[3])*U t/Sqrt[2] t/Sqrt[2] ((-3*I + Sqrt[3])*U)/(2*Sqrt[2]) -(Sqrt[3]*t)/2 ((-3*I + Sqrt[3])*U)/4 0 (Sqrt[2/3] + I*Sqrt[2])*t 0 0 0 (I/2)*Sqrt[3]*t
(I/2)*t 0 (I*(3*I + Sqrt[3])*t)/Sqrt[2] ((3 - I*Sqrt[3])*U)/4 (-I/2)*Sqrt[3]*t 0 0 0 -((3*I + Sqrt[3])*U)/4 ((3*I)/2)*t ((-I + Sqrt[3])*t)/Sqrt[2] 0 0 0 -t/2 0
((-9*I + Sqrt[3])*U)/(6*Sqrt[2]) (I/Sqrt[2] + 1/Sqrt[6])*t 0 -(t/Sqrt[2]) 0 0 0 0 -(Sqrt[3/2]*t) 0 (-2*U)/Sqrt[3] (-I - 1/Sqrt[3])*t 0 0 ((I/2)*(3*I + Sqrt[3])*U)/Sqrt[2] Sqrt[2]*t
((-3*I + 7*Sqrt[3])*U)/(6*Sqrt[2]) -(Sqrt[2/3]*t) 0 -(t/Sqrt[2]) 0 0 0 0 -(Sqrt[3/2]*t) 0 ((-3*I + Sqrt[3])*U)/3 (2*t)/Sqrt[3] 0 0 ((-I/2)*(-I + Sqrt[3])*U)/Sqrt[2] ((-1 - I*Sqrt[3])*t)/Sqrt[2]
(-3*t)/Sqrt[2] 0 0 -((3*I + Sqrt[3])*U)/(2*Sqrt[2]) 0 0 0 0 ((-I/2)*(-5*I + Sqrt[3])*U)/Sqrt[2] ((-3 - I*Sqrt[3])*t)/Sqrt[2] 0 0 0 0 Sqrt[3/2]*t 0
0 (-3*t)/2 ((-3*I + Sqrt[3])*U)/(2*Sqrt[2]) (Sqrt[3]*t)/2 ((-3*I + Sqrt[3])*U)/4 Sqrt[3/2]*t Sqrt[3/2]*t ((5 - I*Sqrt[3])*U)/(2*Sqrt[2]) (-I/2)*Sqrt[3]*t (-U - (3*I)*Sqrt[3]*U)/4 0 0 0 0 0 (Sqrt[3]*t)/2
(I/2)*Sqrt[3]*t 0 0 -((3*I + Sqrt[3])*U)/4 ((3*I)/2)*t 0 0 ((3 - I*Sqrt[3])*t)/Sqrt[2] (U - (3*I)*Sqrt[3]*U)/4 (I/2)*Sqrt[3]*t ((3 - I*Sqrt[3])*t)/Sqrt[2] 0 0 0 -(Sqrt[3]*t)/2 0
(-(1/Sqrt[2]) - I/Sqrt[6])*t (Sqrt[2]*(1 - I*Sqrt[3])*U)/3 0 0 -(((I + Sqrt[3])*t)/Sqrt[2]) (2*U)/Sqrt[3] -((3*I + Sqrt[3])*U)/3 0 0 ((-3 - I*Sqrt[3])*t)/Sqrt[2] (I*t)/Sqrt[3] (I/6)*(7*I + Sqrt[3])*U ((-I)*Sqrt[6]*(-5 + 3*Sqrt[3])*t)/(3 - Sqrt[3])^(3/2) I*(2 + Sqrt[3])*Sqrt[2/(3 + Sqrt[3])]*t ((-I)/Sqrt[2] + 1/Sqrt[6])*t 0
(Sqrt[2]*U + I*Sqrt[6]*U)/6 (-(1/Sqrt[2]) + I/Sqrt[6])*t 0 -(Sqrt[2]*(-3*I + Sqrt[3])*t)/3 0 (-I + 1/Sqrt[3])*t (-2*t)/Sqrt[3] 0 0 0 ((7 + I*Sqrt[3])*U)/6 ((-I)*t)/Sqrt[3] 0 0 -((3*I + Sqrt[3])*U)/(3*Sqrt[2]) (I/Sqrt[2] + 1/Sqrt[6])*t
(((3 + I)*Sqrt[9 - 3*Sqrt[3]] - (3 - I)*Sqrt[3 - Sqrt[3]])*t)/(6 - 2*Sqrt[3]) 0 0 0 0 0 0 0 0 0 ((-I)*Sqrt[6]*(-5 + 3*Sqrt[3])*t)/(3 - Sqrt[3])^(3/2) 0 0 0 ((-1/2 - I/2)*Sqrt[3]*(-3 + Sqrt[3] - (3*I)*Sqrt[4 - 2*Sqrt[3]])*t)/(3 - Sqrt[3])^(3/2) 0
((I/4)*(-2 + 6*I + (2 + 6*I)*Sqrt[3])*t)/Sqrt[3 + Sqrt[3]] 0 0 0 0 0 0 0 0 0 I*(2 + Sqrt[3])*Sqrt[2/(3 + Sqrt[3])]*t 0 0 0 ((3 + 3*I + (1 - I)*Sqrt[3])*t)/(2*Sqrt[3 + Sqrt[3]]) 0
((-6*I + Sqrt[3])*t)/6 ((-3*I + Sqrt[3])*U)/12 t/Sqrt[2] 0 t/2 ((3 + I*Sqrt[3])*U)/(2*Sqrt[2]) (Sqrt[2]*U - I*Sqrt[6]*U)/4 -(Sqrt[3/2]*t) 0 (Sqrt[3]*t)/2 -((3*I + Sqrt[3])*t)/(3*Sqrt[2]) ((-3*I + Sqrt[3])*U)/(3*Sqrt[2]) ((1/2 + I/2)*Sqrt[3]*(3*Sqrt[4 - 2*Sqrt[3]] - I*(-3 + Sqrt[3]))*t)/(3 - Sqrt[3])^(3/2) ((-1/2 - I/2)*(-3*I + Sqrt[3])*t)/Sqrt[3 + Sqrt[3]] (-I/2)*Sqrt[3]*t (I/4)*(5*I + Sqrt[3])*U
((3*I + Sqrt[3])*U)/4 (-I/2 - 1/Sqrt[3])*t 0 (I/2)*Sqrt[3]*t 0 -(Sqrt[2]*t) ((1 - I*Sqrt[3])*t)/Sqrt[2] 0 -(Sqrt[3]*t)/2 0 0 (I/Sqrt[2] - 1/Sqrt[6])*t 0 0 ((5 + I*Sqrt[3])*U)/4 (-I/2)*Sqrt[3]*t