Information on Result #906941

Linear OOA(4949, 5764854, F49, 2, 9) (dual of [(5764854, 2), 11529659, 10]-NRT-code), using generalized (u, u+v)-construction based on
  1. linear OOA(493, 50, F49, 2, 3) (dual of [(50, 2), 97, 4]-NRT-code), using
  2. linear OOA(4913, 2882402, F49, 2, 4) (dual of [(2882402, 2), 5764791, 5]-NRT-code), using
  3. linear OOA(4933, 2882402, F49, 2, 9) (dual of [(2882402, 2), 5764771, 10]-NRT-code), using
    • OOA 2-folding [i] based on linear OA(4933, 5764804, F49, 9) (dual of [5764804, 5764771, 10]-code), using
      • discarding factors / shortening the dual code based on linear OA(4933, 5764805, F49, 9) (dual of [5764805, 5764772, 10]-code), using
        • construction X applied to Ce(8) ⊂ Ce(7) [i] based on
          1. linear OA(4933, 5764801, F49, 9) (dual of [5764801, 5764768, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
          2. linear OA(4929, 5764801, F49, 8) (dual of [5764801, 5764772, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
          3. linear OA(490, 4, F49, 0) (dual of [4, 4, 1]-code) (see above)

Mode: Constructive and linear.

Optimality

Show details for fixed k and m, k and s, k and t, m and s, m and t.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(4949, 2882427, F49, 3, 9) (dual of [(2882427, 3), 8647232, 10]-NRT-code) [i]OOA Folding
2Linear OOA(4949, 2882426, F49, 10, 9) (dual of [(2882426, 10), 28824211, 10]-NRT-code) [i]OOA Folding and Stacking with Additional Row