Matrix t2*K(2) in Subspace 109 with Dimension 14

(K(2) is the second-order Grosse operator)

(-27*t*U)/4 ((3*I)/8)*(I + Sqrt[3])*t*U 0 (3*(1 + I*Sqrt[3])*t*U)/(2*Sqrt[2]) t^2*(4 + U^2/(4*t^2)) ((I/4)*(I + Sqrt[3])*U^2)/Sqrt[2] 0 ((I/2)*(I + Sqrt[3])*t*U)/Sqrt[2] (Sqrt[3]*U^2)/4 -((-3*I + Sqrt[3])*U^2)/(4*Sqrt[2]) ((-3*I)/4)*t*U (3*(-3*I + Sqrt[3])*t*U)/8 0 -((3*I + Sqrt[3])*t*U)/(2*Sqrt[2])
((-3*I)/8)*(-I + Sqrt[3])*t*U (-25*t*U)/4 (8*t^2 + (-1 - (3*I)*Sqrt[3])*U^2)/8 (3*(1 - I*Sqrt[3])*t*U)/(2*Sqrt[2]) 0 0 0 0 (-3*I - Sqrt[3])*t^2 0 (-3*(-I + Sqrt[3])*t*U)/8 -(Sqrt[3]*t*U)/4 (-8*Sqrt[3]*t^2 + (-3*I + Sqrt[3])*U^2)/8 0
0 (8*t^2 + (-1 + (3*I)*Sqrt[3])*U^2)/8 (-21*t*U)/4 ((-I/4)*(-5*I + Sqrt[3])*U^2)/Sqrt[2] (-3*t*U)/4 0 ((-1 + (3*I)*Sqrt[3])*t*U)/(2*Sqrt[2]) 0 (-3*Sqrt[3]*t*U)/4 Sqrt[3/2]*t*U (-3*I - Sqrt[3])*t^2 (8*Sqrt[3]*t^2 + (3*I + Sqrt[3])*U^2)/8 -((3*I + 4*Sqrt[3])*t*U)/4 -((3*I + Sqrt[3])*U^2)/(4*Sqrt[2])
(3*(1 - I*Sqrt[3])*t*U)/(2*Sqrt[2]) (3*(1 + I*Sqrt[3])*t*U)/(2*Sqrt[2]) ((I/4)*(5*I + Sqrt[3])*U^2)/Sqrt[2] -6*t*U 0 ((-3*I)/2)*(-I + Sqrt[3])*t^2 (1 + I*Sqrt[3])*t^2 0 0 ((3*I + Sqrt[3])*t^2)/2 0 0 -((-3*I + Sqrt[3])*U^2)/(4*Sqrt[2]) 0
t^2*(4 + U^2/(4*t^2)) 0 (-3*t*U)/4 0 (-17*t*U)/4 (3*(1 - I*Sqrt[3])*t*U)/(4*Sqrt[2]) 0 0 (-3*Sqrt[3]*t*U)/4 -((-3*I + Sqrt[3])*t*U)/(4*Sqrt[2]) ((3*I)/4)*U^2 0 ((-3*I)/4)*t*U 0
((-I/4)*(-I + Sqrt[3])*U^2)/Sqrt[2] 0 0 ((3*I)/2)*(I + Sqrt[3])*t^2 (3*(1 + I*Sqrt[3])*t*U)/(4*Sqrt[2]) -6*t*U 0 -2*t^2 -((3*I + Sqrt[3])*t*U)/(4*Sqrt[2]) -(Sqrt[3]*t*U) (-3*(-I + Sqrt[3])*U^2)/(4*Sqrt[2]) 0 0 ((3*I - Sqrt[3])*t^2)/2
0 0 ((-1 - (3*I)*Sqrt[3])*t*U)/(2*Sqrt[2]) (1 - I*Sqrt[3])*t^2 0 0 -5*t*U 0 0 0 0 0 ((-3*I + Sqrt[3])*t*U)/(2*Sqrt[2]) (3*I - Sqrt[3])*t^2
((-I/2)*(-I + Sqrt[3])*t*U)/Sqrt[2] 0 0 0 0 -2*t^2 0 -4*t*U 0 -2*Sqrt[3]*t^2 (-3*(-I + Sqrt[3])*t*U)/(2*Sqrt[2]) 0 0 0
(Sqrt[3]*U^2)/4 (3*I - Sqrt[3])*t^2 (-3*Sqrt[3]*t*U)/4 0 (-3*Sqrt[3]*t*U)/4 -((-3*I + Sqrt[3])*t*U)/(4*Sqrt[2]) 0 0 (-15*t*U)/4 (5*(1 - I*Sqrt[3])*t*U)/(4*Sqrt[2]) (-I/4)*Sqrt[3]*U^2 (1 - I*Sqrt[3])*t^2 ((-3*I)/4)*Sqrt[3]*t*U 0
-((3*I + Sqrt[3])*U^2)/(4*Sqrt[2]) 0 Sqrt[3/2]*t*U ((-3*I + Sqrt[3])*t^2)/2 -((3*I + Sqrt[3])*t*U)/(4*Sqrt[2]) -(Sqrt[3]*t*U) 0 -2*Sqrt[3]*t^2 (5*(1 + I*Sqrt[3])*t*U)/(4*Sqrt[2]) -4*t*U ((3 - I*Sqrt[3])*U^2)/(4*Sqrt[2]) 0 (-3*t*U)/Sqrt[2] ((1 - I*Sqrt[3])*t^2)/2
((3*I)/4)*t*U (-3*(I + Sqrt[3])*t*U)/8 (3*I - Sqrt[3])*t^2 0 ((-3*I)/4)*U^2 (-3*(I + Sqrt[3])*U^2)/(4*Sqrt[2]) 0 (-3*(I + Sqrt[3])*t*U)/(2*Sqrt[2]) (I/4)*Sqrt[3]*U^2 ((3 + I*Sqrt[3])*U^2)/(4*Sqrt[2]) (-11*t*U)/4 (3*(3 + I*Sqrt[3])*t*U)/8 (-1 + I*Sqrt[3])*t^2 0
(3*(3*I + Sqrt[3])*t*U)/8 -(Sqrt[3]*t*U)/4 (8*Sqrt[3]*t^2 + (-3*I + Sqrt[3])*U^2)/8 0 0 0 0 0 (1 + I*Sqrt[3])*t^2 0 (3*(3 - I*Sqrt[3])*t*U)/8 (-15*t*U)/4 (-24*t^2 - (3 + I*Sqrt[3])*U^2)/8 (t*(Sqrt[2]*U - I*Sqrt[6]*U))/4
0 (-8*Sqrt[3]*t^2 + (3*I + Sqrt[3])*U^2)/8 ((3*I - 4*Sqrt[3])*t*U)/4 -((3*I + Sqrt[3])*U^2)/(4*Sqrt[2]) ((3*I)/4)*t*U 0 ((3*I + Sqrt[3])*t*U)/(2*Sqrt[2]) 0 ((3*I)/4)*Sqrt[3]*t*U (-3*t*U)/Sqrt[2] (-1 - I*Sqrt[3])*t^2 (-24*t^2 + I*(3*I + Sqrt[3])*U^2)/8 (-13*t*U)/4 ((I/4)*(3*I + Sqrt[3])*U^2)/Sqrt[2]
-((-3*I + Sqrt[3])*t*U)/(2*Sqrt[2]) 0 -((-3*I + Sqrt[3])*U^2)/(4*Sqrt[2]) 0 0 ((-3*I - Sqrt[3])*t^2)/2 (-3*I - Sqrt[3])*t^2 0 0 ((1 + I*Sqrt[3])*t^2)/2 0 (t*(Sqrt[2]*U + I*Sqrt[6]*U))/4 ((-I/4)*(-3*I + Sqrt[3])*U^2)/Sqrt[2] -2*t*U