degree:18
 order:39
[ 18, 2, 18 ][ 18, 9, 0, 0 ]

minimal polynomial:[ x-18, x, x^2+3*x-27 ][ x-2, x+1 ]
[ x-18, x, x^2+3*x-27 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 18, 0, 0 ], [ 1, 6, 2, 9 ], [ 0, 18, 0, 0 ], [ 0, 9, 0, 9 ] ], 
  [ [ 0, 0, 2, 0 ], [ 0, 2, 0, 0 ], [ 1, 0, 1, 0 ], [ 0, 0, 0, 2 ] ], 
  [ [ 0, 0, 0, 18 ], [ 0, 9, 0, 9 ], [ 0, 0, 0, 18 ], [ 1, 9, 2, 6 ] ] ]