SparseArray[Automatic, {42, 42}, 0, 
 {1, {{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 
   20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 
   38, 39, 40, 41, 42}, {{1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}, {10}, 
   {11}, {12}, {13}, {14}, {15}, {16}, {17}, {18}, {19}, {20}, {21}, {22}, 
   {23}, {24}, {25}, {26}, {27}, {28}, {29}, {30}, {31}, {32}, {33}, {34}, 
   {35}, {36}, {37}, {38}, {39}, {40}, {41}, {42}}}, 
  {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, 1, 1, E^(((2*I)/3)*Pi), 
   E^(((2*I)/3)*Pi), -1 - E^(((2*I)/3)*Pi), -1 - E^(((2*I)/3)*Pi), 1, 1, 
   -1 - E^(((2*I)/3)*Pi), -1 - E^(((2*I)/3)*Pi), E^(((2*I)/3)*Pi), 
   E^(((2*I)/3)*Pi), 1, I, -1, -I, 1, -1, -1 - E^(((2*I)/3)*Pi), 
   1 + E^(((2*I)/3)*Pi), E^(((2*I)/3)*Pi), -E^(((2*I)/3)*Pi), 1, -1, 
   E^(((2*I)/3)*Pi), -E^(((2*I)/3)*Pi), -1 - E^(((2*I)/3)*Pi), 
   1 + E^(((2*I)/3)*Pi)}}]
