Information on Result #731901

Linear OA(824, 725, F8, 7) (dual of [725, 701, 8]-code), using (u, u+v)-construction based on
  1. linear OA(85, 208, F8, 3) (dual of [208, 203, 4]-code or 208-cap in PG(4,8)), using
  2. linear OA(819, 517, F8, 7) (dual of [517, 498, 8]-code), using
    • construction XX applied to C1 = C([510,4]), C2 = C([0,5]), C3 = C1 + C2 = C([0,4]), and C∩ = C1 ∩ C2 = C([510,5]) [i] based on
      1. linear OA(816, 511, F8, 6) (dual of [511, 495, 7]-code), using the primitive BCH-code C(I) with length 511 = 83−1, defining interval I = {−1,0,…,4}, and designed minimum distance d ≥ |I|+1 = 7 [i]
      2. linear OA(816, 511, F8, 6) (dual of [511, 495, 7]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,5], and designed minimum distance d ≥ |I|+1 = 7 [i]
      3. linear OA(819, 511, F8, 7) (dual of [511, 492, 8]-code), using the primitive BCH-code C(I) with length 511 = 83−1, defining interval I = {−1,0,…,5}, and designed minimum distance d ≥ |I|+1 = 8 [i]
      4. linear OA(813, 511, F8, 5) (dual of [511, 498, 6]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,4], and designed minimum distance d ≥ |I|+1 = 6 [i]
      5. linear OA(80, 3, F8, 0) (dual of [3, 3, 1]-code), using
      6. linear OA(80, 3, F8, 0) (dual of [3, 3, 1]-code) (see above)

Mode: Constructive and linear.

Optimality

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

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only		Method
1Linear OOA(824, 362, F8, 2, 7) (dual of [(362, 2), 700, 8]-NRT-code) [i]OOA Folding