Information on Result #714454

Linear OA(820, 70, F8, 11) (dual of [70, 50, 12]-code), using construction XX applied to C1 = C([0,9]), C2 = C([3,10]), C3 = C1 + C2 = C([3,9]), and C∩ = C1 ∩ C2 = C([0,10]) based on
  1. linear OA(816, 63, F8, 10) (dual of [63, 47, 11]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [0,9], and designed minimum distance d ≥ |I|+1 = 11 [i]
  2. linear OA(815, 63, F8, 8) (dual of [63, 48, 9]-code), using the primitive BCH-code C(I) with length 63 = 82−1, defining interval I = {3,4,…,10}, and designed minimum distance d ≥ |I|+1 = 9 [i]
  3. linear OA(818, 63, F8, 11) (dual of [63, 45, 12]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 82−1, defining interval I = [0,10], and designed minimum distance d ≥ |I|+1 = 12 [i]
  4. linear OA(813, 63, F8, 7) (dual of [63, 50, 8]-code), using the primitive BCH-code C(I) with length 63 = 82−1, defining interval I = {3,4,…,9}, and designed minimum distance d ≥ |I|+1 = 8 [i]
  5. linear OA(82, 5, F8, 2) (dual of [5, 3, 3]-code or 5-arc in PG(1,8)), using
  6. linear OA(80, 2, F8, 0) (dual of [2, 2, 1]-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.

Compare with Markus Grassl’s online database of code parameters.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OA(8171, 32839, F8, 35) (dual of [32839, 32668, 36]-code) [i]Construction X with Cyclic Codes
2Linear OA(8161, 32839, F8, 33) (dual of [32839, 32678, 34]-code) [i]
3Linear OA(8166, 32838, F8, 34) (dual of [32838, 32672, 35]-code) [i]Construction X with Extended Narrow-Sense BCH Codes
4Linear OA(8136, 32838, F8, 27) (dual of [32838, 32702, 28]-code) [i]
5Linear OA(8131, 32838, F8, 26) (dual of [32838, 32707, 27]-code) [i]
6Linear OA(8126, 32838, F8, 25) (dual of [32838, 32712, 26]-code) [i]
7Linear OOA(820, 35, F8, 2, 11) (dual of [(35, 2), 50, 12]-NRT-code) [i]OOA Folding
8Linear OOA(820, 23, F8, 3, 11) (dual of [(23, 3), 49, 12]-NRT-code) [i]