Matrix t*K(1) in Subspace 113 with Dimension 16

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

0 U 0 -t 0 0 (I/2)*(I + Sqrt[3])*t 0 0 0 (I/2)*(I + Sqrt[3])*t 0 0 0 0 (-I/2)*(-3*I + Sqrt[3])*t
-U I*Sqrt[3]*t ((-3 - I*Sqrt[3])*t)/Sqrt[2] 0 0 0 0 0 0 0 0 0 0 0 0 0
0 ((3 - I*Sqrt[3])*t)/Sqrt[2] 0 ((-1 - I*Sqrt[3])*U)/Sqrt[2] 0 0 Sqrt[2]*U 0 0 0 0 0 0 0 0 0
t 0 ((1 - I*Sqrt[3])*U)/Sqrt[2] 0 U Sqrt[2]*U (I/2)*(I + Sqrt[3])*t (I/2)*(I + Sqrt[3])*U ((-1 - I*Sqrt[3])*t)/Sqrt[2] 0 ((1 - I*Sqrt[3])*t)/2 0 0 0 0 (I/2)*(I + Sqrt[3])*t
0 0 0 -U 0 0 U (-I/2)*(-I + Sqrt[3])*t 0 (-I/2)*(-I + Sqrt[3])*t 0 0 (-I)*Sqrt[3]*t 0 (I/2)*(I + Sqrt[3])*t 0
0 0 0 -(Sqrt[2]*U) 0 0 Sqrt[2]*U ((1 + I*Sqrt[3])*t)/Sqrt[2] 0 -(Sqrt[2]*t) 0 0 0 0 -(Sqrt[2]*t) 0
((1 + I*Sqrt[3])*t)/2 0 -(Sqrt[2]*U) ((1 + I*Sqrt[3])*t)/2 -U -(Sqrt[2]*U) 0 U -(Sqrt[2]*t) 0 -t 0 0 0 0 -t
0 0 0 (U + I*Sqrt[3]*U)/2 ((1 - I*Sqrt[3])*t)/2 (I*(I + Sqrt[3])*t)/Sqrt[2] -U 0 0 -t 0 0 (I/2)*(I + Sqrt[3])*t 0 (-I/2)*(-I + Sqrt[3])*t 0
0 0 0 ((1 - I*Sqrt[3])*t)/Sqrt[2] 0 0 Sqrt[2]*t 0 0 Sqrt[2]*U (I*(I + Sqrt[3])*t)/Sqrt[2] 0 0 0 (I*(I + Sqrt[3])*U)/Sqrt[2] 0
0 0 0 0 ((1 - I*Sqrt[3])*t)/2 Sqrt[2]*t 0 t -(Sqrt[2]*U) 0 U ((-1 - I*Sqrt[3])*U)/Sqrt[2] (I/2)*(I + Sqrt[3])*t 0 ((1 + I*Sqrt[3])*t)/2 (I/2)*(I + Sqrt[3])*U
((1 + I*Sqrt[3])*t)/2 0 0 (-I/2)*(-I + Sqrt[3])*t 0 0 t 0 ((1 + I*Sqrt[3])*t)/Sqrt[2] -U 0 0 0 0 (-U - I*Sqrt[3]*U)/2 -t
0 0 0 0 0 0 0 0 0 ((1 - I*Sqrt[3])*U)/Sqrt[2] 0 0 0 ((-3 - I*Sqrt[3])*t)/Sqrt[2] Sqrt[2]*U 0
0 0 0 0 (-I)*Sqrt[3]*t 0 0 ((1 + I*Sqrt[3])*t)/2 0 ((1 + I*Sqrt[3])*t)/2 0 0 0 (U + I*Sqrt[3]*U)/2 ((1 - I*Sqrt[3])*t)/2 0
0 0 0 0 0 0 0 0 0 0 0 ((3 - I*Sqrt[3])*t)/Sqrt[2] (I/2)*(I + Sqrt[3])*U I*Sqrt[3]*t 0 0
0 0 0 0 ((1 + I*Sqrt[3])*t)/2 Sqrt[2]*t 0 ((1 - I*Sqrt[3])*t)/2 ((1 + I*Sqrt[3])*U)/Sqrt[2] (I/2)*(I + Sqrt[3])*t (U - I*Sqrt[3]*U)/2 -(Sqrt[2]*U) (-I/2)*(-I + Sqrt[3])*t 0 0 U
((3 - I*Sqrt[3])*t)/2 0 0 ((1 + I*Sqrt[3])*t)/2 0 0 t 0 0 (U + I*Sqrt[3]*U)/2 t 0 0 0 -U 0