degree:7
 order:60
 [ 7, 21, 1, 2, 7, 21 ][ 1, 7, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 1 ] 
minimal polynomial:
[ x-7, x-4, x, x+3, x^3-21*x+28 ]1
[ x-21, x-1, x, x+6, x^3-63*x+126 ]
[ x-1, x+1 ]
[ x-2, x, x+2 ]
[ x-7, x-4, x, x+3, x^3-21*x-28 ]
[ x-21, x-1, x, x+6, x^3-63*x-126 ]
 SITA:
[ [ [ 1, 0, 0, 0, 0, 0, 0 ], [ 0, 1, 0, 0, 0, 0, 0 ], [ 0, 0, 1, 0, 0, 0, 0 ], [ 0, 0, 0, 1, 0, 0, 0 ],
      [ 0, 0, 0, 0, 1, 0, 0 ], [ 0, 0, 0, 0, 0, 1, 0 ], [ 0, 0, 0, 0, 0, 0, 1 ] ],
  [ [ 0, 7, 0, 0, 0, 0, 0 ], [ 1, 0, 3, 1, 0, 2, 0 ], [ 0, 1, 4, 0, 0, 0, 2 ], [ 0, 7, 0, 0, 0, 0, 0 ],
      [ 0, 0, 0, 0, 0, 7, 0 ], [ 0, 2, 0, 0, 2, 0, 3 ], [ 0, 0, 2, 0, 0, 1, 4 ] ],
  [ [ 0, 0, 21, 0, 0, 0, 0 ], [ 0, 3, 12, 0, 0, 0, 6 ], [ 1, 4, 5, 1, 0, 2, 8 ], [ 0, 0, 21, 0, 0, 0, 0 ],
      [ 0, 0, 0, 0, 0, 0, 21 ], [ 0, 0, 6, 0, 0, 3, 12 ], [ 0, 2, 8, 0, 2, 4, 5 ] ],
  [ [ 0, 0, 0, 1, 0, 0, 0 ], [ 0, 1, 0, 0, 0, 0, 0 ], [ 0, 0, 1, 0, 0, 0, 0 ], [ 1, 0, 0, 0, 0, 0, 0 ],
      [ 0, 0, 0, 0, 1, 0, 0 ], [ 0, 0, 0, 0, 0, 1, 0 ], [ 0, 0, 0, 0, 0, 0, 1 ] ],
  [ [ 0, 0, 0, 0, 2, 0, 0 ], [ 0, 0, 0, 0, 0, 2, 0 ], [ 0, 0, 0, 0, 0, 0, 2 ], [ 0, 0, 0, 0, 2, 0, 0 ],
      [ 1, 0, 0, 1, 0, 0, 0 ], [ 0, 2, 0, 0, 0, 0, 0 ], [ 0, 0, 2, 0, 0, 0, 0 ] ],
  [ [ 0, 0, 0, 0, 0, 7, 0 ], [ 0, 2, 0, 0, 2, 0, 3 ], [ 0, 0, 2, 0, 0, 1, 4 ], [ 0, 0, 0, 0, 0, 7, 0 ],
      [ 0, 7, 0, 0, 0, 0, 0 ], [ 1, 0, 3, 1, 0, 2, 0 ], [ 0, 1, 4, 0, 0, 0, 2 ] ],
  [ [ 0, 0, 0, 0, 0, 0, 21 ], [ 0, 0, 6, 0, 0, 3, 12 ], [ 0, 2, 8, 0, 2, 4, 5 ], [ 0, 0, 0, 0, 0, 0, 21 ],
      [ 0, 0, 21, 0, 0, 0, 0 ], [ 0, 3, 12, 0, 0, 0, 6 ], [ 1, 4, 5, 1, 0, 2, 8 ] ] ]