degree:18
 order:55
[ 18, 18, 18 ][ 5, 6, 8, 6 ]

minimal polynomial:[ x-18, x+4, x^2-x-11 ][ x-18, x+4, x^2-x-11 ]
[ x-18, x-7, x+2 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 18, 0, 0 ], [ 1, 6, 5, 6 ], [ 0, 5, 5, 8 ], [ 0, 6, 8, 4 ] ], 
  [ [ 0, 0, 18, 0 ], [ 0, 5, 5, 8 ], [ 1, 5, 6, 6 ], [ 0, 8, 6, 4 ] ], 
  [ [ 0, 0, 0, 18 ], [ 0, 6, 8, 4 ], [ 0, 8, 6, 4 ], [ 1, 4, 4, 9 ] ] ]