degree:20
 order:55
[ 20, 10, 24 ][ 8, 5, 5, 0 ]

minimal polynomial:[ x-20, x-6, x+2, x+5 ][ x-10, x+1 ]
[ x-24, x-2, x+6 ]

 SITA:
[ [ [ 1, 0, 0, 0 ], [ 0, 1, 0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ] ], 
  [ [ 0, 20, 0, 0 ], [ 1, 9, 4, 6 ], [ 0, 8, 0, 12 ], [ 0, 5, 5, 10 ] ], 
  [ [ 0, 0, 10, 0 ], [ 0, 4, 0, 6 ], [ 1, 0, 9, 0 ], [ 0, 5, 0, 5 ] ], 
  [ [ 0, 0, 0, 24 ], [ 0, 6, 6, 12 ], [ 0, 12, 0, 12 ], [ 1, 10, 5, 8 ] ] ]