Information on Result #906947

Linear OOA(4944, 5764854, F49, 2, 8) (dual of [(5764854, 2), 11529664, 9]-NRT-code), using generalized (u, u+v)-construction based on
  1. linear OOA(492, 50, F49, 2, 2) (dual of [(50, 2), 98, 3]-NRT-code), using
  2. linear OOA(4913, 2882402, F49, 2, 4) (dual of [(2882402, 2), 5764791, 5]-NRT-code), using
  3. linear OOA(4929, 2882402, F49, 2, 8) (dual of [(2882402, 2), 5764775, 9]-NRT-code), using
    • OOA 2-folding [i] based on linear OA(4929, 5764804, F49, 8) (dual of [5764804, 5764775, 9]-code), using
      • discarding factors / shortening the dual code based on linear OA(4929, 5764805, F49, 8) (dual of [5764805, 5764776, 9]-code), using
        • construction X applied to Ce(7) ⊂ Ce(6) [i] based on
          1. 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]
          2. linear OA(4925, 5764801, F49, 7) (dual of [5764801, 5764776, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [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(4944, 2882427, F49, 3, 8) (dual of [(2882427, 3), 8647237, 9]-NRT-code) [i]OOA Folding
2Linear OOA(4944, 2882426, F49, 10, 8) (dual of [(2882426, 10), 28824216, 9]-NRT-code) [i]OOA Folding and Stacking with Additional Row