degree:20
 order:57
[ 20, 6, 30 ][ 10, 6, 2, 1 ]

minimal polynomial:[ x-20, x+1, x^2-20 ][ x-6, x+3, x^2-3*x+1 ]
[ x-30, x-3, x^2+5*x-5 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 20, 0, 0 ], [ 1, 7, 3, 9 ], [ 0, 10, 0, 10 ], [ 0, 6, 2, 12 ] ], 
  [ [ 0, 0, 6, 0 ], [ 0, 3, 0, 3 ], [ 1, 0, 0, 5 ], [ 0, 2, 1, 3 ] ], 
  [ [ 0, 0, 0, 30 ], [ 0, 9, 3, 18 ], [ 0, 10, 5, 15 ], [ 1, 12, 3, 14 ] ] ]