Information on Result #714902

Linear OA(8139, 580, F8, 43) (dual of [580, 441, 44]-code), using construction X applied to C([0,42]) ⊂ C([0,26]) based on
  1. linear OA(8112, 511, F8, 43) (dual of [511, 399, 44]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,42], and designed minimum distance d ≥ |I|+1 = 44 [i]
  2. linear OA(870, 511, F8, 27) (dual of [511, 441, 28]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 511 = 83−1, defining interval I = [0,26], and designed minimum distance d ≥ |I|+1 = 28 [i]
  3. linear OA(827, 69, F8, 15) (dual of [69, 42, 16]-code), using
    • construction X applied to Ce(14) ⊂ Ce(12) [i] based on
      1. linear OA(826, 64, F8, 15) (dual of [64, 38, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
      2. linear OA(822, 64, F8, 13) (dual of [64, 42, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
      3. linear OA(81, 5, F8, 1) (dual of [5, 4, 2]-code), using

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(8139, 290, F8, 2, 43) (dual of [(290, 2), 441, 44]-NRT-code) [i]OOA Folding