Information on Result #1013825

Linear OOA(7108, 7686404, F7, 3, 10) (dual of [(7686404, 3), 23059104, 11]-NRT-code), using (u, u+v)-construction based on
  1. linear OOA(734, 5764804, F7, 3, 5) (dual of [(5764804, 3), 17294378, 6]-NRT-code), using
  2. linear OOA(774, 3843202, F7, 3, 10) (dual of [(3843202, 3), 11529532, 11]-NRT-code), using
    • trace code [i] based on linear OOA(4937, 1921601, F49, 3, 10) (dual of [(1921601, 3), 5764766, 11]-NRT-code), using
      • OOA 3-folding [i] based on linear OA(4937, 5764803, F49, 10) (dual of [5764803, 5764766, 11]-code), using
        • discarding factors / shortening the dual code based on linear OA(4937, 5764805, F49, 10) (dual of [5764805, 5764768, 11]-code), using
          • construction X applied to Ce(9) ⊂ Ce(8) [i] based on
            1. linear OA(4937, 5764801, F49, 10) (dual of [5764801, 5764764, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
            2. 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]
            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(7109, 7686404, F7, 3, 10) (dual of [(7686404, 3), 23059103, 11]-NRT-code) [i]OOA Duplication
2Linear OOA(7108, 3843201, F7, 15, 10) (dual of [(3843201, 15), 57647907, 11]-NRT-code) [i]OOA Folding and Stacking with Additional Row