Matrix t2*K(2) in Subspace 147 with Dimension 14

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

(-53*t*U)/12 ((-8 - (8*I)*Sqrt[3])*t^2 + (-11 - I*Sqrt[3])*U^2)/24 0 -(Sqrt[2]*(-3*I + Sqrt[3])*t^2)/3 ((6*I + Sqrt[3])*t*U)/(6*Sqrt[2]) 0 -((3*I + Sqrt[3])*t*U)/(12*Sqrt[2]) -((3*I + Sqrt[3])*t*U)/(4*Sqrt[2]) (Sqrt[2/3] - I*Sqrt[2])*t^2 (-2*t*U)/Sqrt[3] ((-7 + (9*I)*Sqrt[3])*t*U)/(6*Sqrt[2]) (-8*t^2 + (1 + I*Sqrt[3])*U^2)/(3*Sqrt[2]) -((-18*I + Sqrt[3])*t*U)/12 (-8*(3*I + Sqrt[3])*t^2 - (-3*I + Sqrt[3])*U^2)/24
(I/24)*(8*(I + Sqrt[3])*t^2 + (11*I + Sqrt[3])*U^2) (-19*t*U)/4 -((-3*I + Sqrt[3])*t*U)/4 ((3*I - 2*Sqrt[3])*t*U)/(3*Sqrt[2]) 0 ((I/2)*t*U)/Sqrt[2] (I/Sqrt[2] + 1/Sqrt[6])*t^2 (I/Sqrt[2] - 1/Sqrt[6])*t^2 ((3*I - 2*Sqrt[3])*t*U)/(6*Sqrt[2]) ((3*I + Sqrt[3])*U^2)/12 ((4 - (4*I)*Sqrt[3])*t^2 + (1 + I*Sqrt[3])*U^2)/(6*Sqrt[2]) ((5 + I*Sqrt[3])*t*U)/(2*Sqrt[2]) ((3*I + Sqrt[3])*U^2)/8 ((3*I - 2*Sqrt[3])*t*U)/4
0 -((3*I + Sqrt[3])*t*U)/4 -4*t*U ((1 - I*Sqrt[3])*t*U)/Sqrt[2] -(U^2/Sqrt[2]) ((3 + I*Sqrt[3])*t*U)/(2*Sqrt[2]) 0 0 0 0 0 0 0 ((-3*I)/4)*(-I + Sqrt[3])*t*U
-(Sqrt[2]*(3*I + Sqrt[3])*t^2)/3 -((3*I + 2*Sqrt[3])*t*U)/(3*Sqrt[2]) ((1 + I*Sqrt[3])*t*U)/Sqrt[2] (-9*t*U)/2 (-I/4)*(-I + Sqrt[3])*U^2 0 -2*t^2 (-1 - I*Sqrt[3])*t^2 t*U 0 (2*I + 2/Sqrt[3])*t^2 ((3*I + Sqrt[3])*t*U)/3 0 (t*U)/Sqrt[2]
((-6*I + Sqrt[3])*t*U)/(6*Sqrt[2]) 0 -(U^2/Sqrt[2]) (I/4)*(I + Sqrt[3])*U^2 -3*t*U 0 ((3 - I*Sqrt[3])*t*U)/4 ((3 - I*Sqrt[3])*t*U)/4 0 ((1 - I*Sqrt[3])*t*U)/Sqrt[2] -((3*I + Sqrt[3])*t*U)/6 0 (3*t*U)/(2*Sqrt[2]) 0
0 ((-I/2)*t*U)/Sqrt[2] ((3 - I*Sqrt[3])*t*U)/(2*Sqrt[2]) 0 0 -4*t*U (-I/4)*(-I + Sqrt[3])*U^2 U^2/2 ((3*I)/2)*Sqrt[3]*t*U 0 0 ((-I + Sqrt[3])*t*U)/2 0 -(t*U)/(2*Sqrt[2])
-((-3*I + Sqrt[3])*t*U)/(12*Sqrt[2]) ((-I)/Sqrt[2] + 1/Sqrt[6])*t^2 0 -2*t^2 ((3 + I*Sqrt[3])*t*U)/4 (I/4)*(I + Sqrt[3])*U^2 -5*t*U (I/2)*(4*I + Sqrt[3])*t*U (8*t^2 + (-1 - I*Sqrt[3])*U^2)/4 (t*U)/Sqrt[2] -((-3*I + Sqrt[3])*t*U)/6 (-2*(3*I + Sqrt[3])*t^2)/3 (3*(1 - I*Sqrt[3])*t*U)/(4*Sqrt[2]) ((1 - I*Sqrt[3])*t^2)/Sqrt[2]
-((-3*I + Sqrt[3])*t*U)/(4*Sqrt[2]) -((3*I + Sqrt[3])*t^2)/(3*Sqrt[2]) 0 (-1 + I*Sqrt[3])*t^2 ((3 + I*Sqrt[3])*t*U)/4 U^2/2 (-I/2)*(-4*I + Sqrt[3])*t*U -5*t*U ((4 - (4*I)*Sqrt[3])*t^2 + (1 + I*Sqrt[3])*U^2)/4 (t*(Sqrt[2]*U - I*Sqrt[6]*U))/4 0 (-4*t^2)/Sqrt[3] (((3*I)/4)*(I + Sqrt[3])*t*U)/Sqrt[2] ((-1 - I*Sqrt[3])*t^2)/Sqrt[2]
(Sqrt[2/3] + I*Sqrt[2])*t^2 -((3*I + 2*Sqrt[3])*t*U)/(6*Sqrt[2]) 0 t*U 0 ((-3*I)/2)*Sqrt[3]*t*U (8*t^2 + I*(I + Sqrt[3])*U^2)/4 ((4 + (4*I)*Sqrt[3])*t^2 + (1 - I*Sqrt[3])*U^2)/4 -5*t*U 0 (-2*(3*I + Sqrt[3])*t^2)/3 ((3*I + Sqrt[3])*t*U)/6 0 (t*U)/(2*Sqrt[2])
(-2*t*U)/Sqrt[3] ((-3*I + Sqrt[3])*U^2)/12 0 0 ((1 + I*Sqrt[3])*t*U)/Sqrt[2] 0 (t*U)/Sqrt[2] (t*(Sqrt[2]*U + I*Sqrt[6]*U))/4 0 -5*t*U -((-9*I + Sqrt[3])*t*U)/(6*Sqrt[2]) ((3*I + Sqrt[3])*U^2)/(6*Sqrt[2]) -(t*(U + I*Sqrt[3]*U))/2 ((1 - I*Sqrt[3])*U^2)/4
((-7 - (9*I)*Sqrt[3])*t*U)/(6*Sqrt[2]) ((4 + (4*I)*Sqrt[3])*t^2 + (1 - I*Sqrt[3])*U^2)/(6*Sqrt[2]) 0 (-2*I + 2/Sqrt[3])*t^2 -((-3*I + Sqrt[3])*t*U)/6 0 -((3*I + Sqrt[3])*t*U)/6 0 (2*I - 2/Sqrt[3])*t^2 -((9*I + Sqrt[3])*t*U)/(6*Sqrt[2]) (-23*t*U)/6 (16*t^2 + I*(2*I + Sqrt[3])*U^2)/6 ((9*I + Sqrt[3])*t*U)/(6*Sqrt[2]) (4*(3*I + Sqrt[3])*t^2 - (-3*I + Sqrt[3])*U^2)/(6*Sqrt[2])
(-8*t^2 + (1 - I*Sqrt[3])*U^2)/(3*Sqrt[2]) ((5 - I*Sqrt[3])*t*U)/(2*Sqrt[2]) 0 ((-3*I + Sqrt[3])*t*U)/3 0 ((I + Sqrt[3])*t*U)/2 (2*I - 2/Sqrt[3])*t^2 (-4*t^2)/Sqrt[3] ((-3*I + Sqrt[3])*t*U)/6 ((-3*I + Sqrt[3])*U^2)/(6*Sqrt[2]) (16*t^2 + (-2 - I*Sqrt[3])*U^2)/6 (-7*t*U)/2 0 -((-3*I + Sqrt[3])*t*U)/(2*Sqrt[2])
-((18*I + Sqrt[3])*t*U)/12 ((-3*I + Sqrt[3])*U^2)/8 0 0 (3*t*U)/(2*Sqrt[2]) 0 (3*(1 + I*Sqrt[3])*t*U)/(4*Sqrt[2]) (((-3*I)/4)*(-I + Sqrt[3])*t*U)/Sqrt[2] 0 (I/2)*(I + Sqrt[3])*t*U ((-9*I + Sqrt[3])*t*U)/(6*Sqrt[2]) 0 (-21*t*U)/4 (-I/8)*(-3*I + Sqrt[3])*U^2
(-8*(-3*I + Sqrt[3])*t^2 - (3*I + Sqrt[3])*U^2)/24 -((3*I + 2*Sqrt[3])*t*U)/4 ((3*I)/4)*(I + Sqrt[3])*t*U (t*U)/Sqrt[2] 0 -(t*U)/(2*Sqrt[2]) ((1 + I*Sqrt[3])*t^2)/Sqrt[2] (I*(I + Sqrt[3])*t^2)/Sqrt[2] (t*U)/(2*Sqrt[2]) ((1 + I*Sqrt[3])*U^2)/4 (4*(-3*I + Sqrt[3])*t^2 - (3*I + Sqrt[3])*U^2)/(6*Sqrt[2]) -((3*I + Sqrt[3])*t*U)/(2*Sqrt[2]) (I/8)*(3*I + Sqrt[3])*U^2 (-23*t*U)/4