The matrices, eigenvalues and singular values.
[ 1j -1j -1j; -1+1j 1-1j 1-1j; -1-1j -1j -1 ] -j j 0 3 2 0 [ 1j -1j 1 ; -1j 1+1j -1-1j; -1 1+1j 1+1j] 3j 2 0 3 2 0 [ 1 1+1j 1 ; -1+1j -1j 1+1j; 1 1+1j 1 ] 2+j -2j 0 3 2 0 [ 1j 1 -1+1j; 1j 1 -1+1j; 1+1j -1-1j -1 ] 1+j -1 0 3 2 0 [-1+1j 1-1j 1+1j; -1j 1j -1 ; 1 1+1j 1 ] -1+2j 1 0 3 2 0 [ 1j 1-1j 1j; -1-1j -1 -1-1j; 1j -1+1j 1j] 2j -1 0 3 2 0 [ -1j -1-1j -1-1j; 1+1j 1j -1j; -1-1j -1j 1j] 2j -j 0 3 2 0 [-1 1-1j 1-1j; -1-1j -1 -1 ; 1+1j -1 -1 ] -2 -1 0 3 2 0 [-1 -1+1j 1+1j; 1+1j 1j 1 ; 1-1j -1 1j] 2j -1 0 3 2 0 [ 1 1-1j -1+1j; -1-1j -1 -1 ; -1-1j -1 -1 ] -2 1 0 3 2 0 [ 1 1-1j 1-1j; 1j 1+1j -1 ; 1 1-1j -1 ] 2+j -1 0 3 2 0 [ 1j 1j 1 ; 1-1j 1 1-1j; -1+1j 1j 1-1j] 2+j -j 0 3 2 0 [ 1-1j 1+1j 1 ; 1j -1j -1 ; -1+1j 1+1j -1j] -3j 1 0 3 2 0 [ 1 1+1j 1-1j; 1-1j -1j -1 ; -1+1j 1 -1j] -1-2j 2 0 3 2 0 [ -1j 1j -1 ; 1+1j 1 -1 ; -1-1j 1+1j -1+1j] j -j 0 3 2 0 [ 1j 1j -1 ; -1j -1 -1+1j; -1-1j -1-1j 1-1j] 2 -2 0 3 2 0 [ 1j 1j -1j; -1j 1 1-1j; 1+1j 1+1j -1-1j] -2 2 0 3 2 0 [ -1j 1j -1+1j; 1-1j 1+1j 1-1j; -1 -1j -1 ] 1 -1 0 3 2 0 [-1 1j -1-1j; 1 -1j -1+1j; 1+1j 1-1j -1j] -1-j -j 0 3 2 0 [ -1j 1-1j -1 ; 1 -1+1j 1 ; -1-1j -1+1j 1 ] 1 -1 0 3 2 0 [-1-1j 1+1j 1 ; 2 -2-2j 1 ; 1j -1 -2-1j] -3-2j -2-2j 0 4 3 0 [-2 -1+1j 1-1j; 1-2j 1j -1j; 1-1j 2 -2 ] -3 -1+j 0 4 3 0 [-2-2j -1-2j 1j; 1 2+2j 1j; 2-1j 1j -2 ] -3-2j 1+2j 0 5 3 0 [ -2j -1 1+1j; 1j -1j 1-2j; 1+1j 1-2j 2 ] 1-3j 1 0 4 3 0 [ 1+2j -1j -1 ; 2j 1-2j 1 ; -1-1j -1 1-2j] 1-3j 2+j 0 4 3 0 [ 1-2j 1j -1-2j; -2j 2j -2-1j; 2j -2j 2+1j] 2+j 1 0 6 1 0 [-1-1j 2-1j 2 ; 2-2j 2-1j -2j; -2+2j -2+1j 2j] 1+j -j 0 6 3 0 [ 2-2j -2+1j -2-2j; 1-2j 1j -2-1j; 2j 1+2j 2 ] 4-2j j 0 6 3 0 [ 1 -2-1j 2 ; 2j -2j 2j; -2-1j 2+1j -2-1j] -3j -1 0 6 1 0 [-2-2j 1+2j 1+2j; 2+2j -2-1j 1-2j; -2-2j 2+2j 1j] -4-j -j 0 7 2 0 [ 1+2j -2+2j 1-1j; 1j 1j 1j; -1j -1-1j -2j] 3j 1-2j 0 4 3 0 [-2-2j -2+2j 2-1j; 2j 2 -2-1j; 1 -1j -1 ] -1-j -j 0 6 1 0 [-1 2j -1+1j; 1 2-1j 1j; -1-2j -1 -1+2j] -2+j 2 0 4 3 0 [ 2j 2j 1-1j; -1-1j -1-1j -2 ; 1 1 1+2j] 2j j 0 4 3 0 [ 2j -1-1j -2-2j; -2-2j 2-2j 2 ; 1+1j 1 -2-2j] -1-j 1-j 0 6 3 0 [ 1+2j -1j -1-2j; 1j 1-2j 1j; 1j 1-2j 1j] 2 j 0 4 3 0 [-2+1j -1 -1 ; 1-1j -2+1j -2+1j; -2 1j 1j] -3+j -1+2j 0 4 3 0 [-2-2j -1-1j 2-2j; 2-1j -2-1j 1+2j; -2j 2j 2 ] -1-4j -1+j 0 6 3 0 [-1 -1-2j 1-2j; 2j -2+1j -2 ; 2 1+2j 2j] -4+3j 1 0 6 1 0 [-2 2j 1-1j; -2 2 -1-1j; 2-2j -2-2j 2j] -2+2j 2 0 6 2 0