Information on Result #1021886

Linear OOA(790, 7686477, F7, 3, 8) (dual of [(7686477, 3), 23059341, 9]-NRT-code), using generalized (u, u+v)-construction based on
  1. linear OOA(71, 8, F7, 3, 1) (dual of [(8, 3), 23, 2]-NRT-code), using
  2. linear OOA(72, 8, F7, 3, 2) (dual of [(8, 3), 22, 3]-NRT-code), using
  3. linear OOA(73, 57, F7, 3, 2) (dual of [(57, 3), 168, 3]-NRT-code), using
  4. linear OOA(726, 3843202, F7, 3, 4) (dual of [(3843202, 3), 11529580, 5]-NRT-code), using
  5. linear OOA(758, 3843202, F7, 3, 8) (dual of [(3843202, 3), 11529548, 9]-NRT-code), using
    • trace code [i] based on linear OOA(4929, 1921601, F49, 3, 8) (dual of [(1921601, 3), 5764774, 9]-NRT-code), using
      • OOA 3-folding [i] based on linear OA(4929, 5764803, F49, 8) (dual of [5764803, 5764774, 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

None.