degree:18
 order:38
[ 18, 18, 1 ][ 17, 0, 18, 0 ]

minimal polynomial:[ x-18, x-1, x+1, x+18 ][ x-18, x+1 ]
[ x-1, x+1 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 18, 0, 0 ], [ 1, 0, 17, 0 ], [ 0, 17, 0, 1 ], [ 0, 0, 18, 0 ] ], 
  [ [ 0, 0, 18, 0 ], [ 0, 17, 0, 1 ], [ 1, 0, 17, 0 ], [ 0, 18, 0, 0 ] ], 
  [ [ 0, 0, 0, 1 ], [ 0, 0, 1, 0 ], [ 0, 1, 0, 0 ], [ 1, 0, 0, 0 ] ] ]


 P-polynomial



 Q-polynomial