degree:12
 order:21
[ 12, 2, 6 ][ 6, 10, 2, 0 ]

minimal polynomial:[ x-12, x-1, x+2, x+6 ][ x-2, x+1 ]
[ x-6, x+1 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 12, 0, 0 ], [ 1, 5, 1, 5 ], [ 0, 6, 0, 6 ], [ 0, 10, 2, 0 ] ], 
  [ [ 0, 0, 2, 0 ], [ 0, 1, 0, 1 ], [ 1, 0, 1, 0 ], [ 0, 2, 0, 0 ] ], 
  [ [ 0, 0, 0, 6 ], [ 0, 5, 1, 0 ], [ 0, 6, 0, 0 ], [ 1, 0, 0, 5 ] ] ]