Information on Result #989456
Linear OOA(6439, 1366, F64, 3, 20) (dual of [(1366, 3), 4059, 21]-NRT-code), using OOA 3-folding based on linear OA(6439, 4098, F64, 20) (dual of [4098, 4059, 21]-code), using
- construction X applied to Ce(19) ⊂ Ce(18) [i] based on
- linear OA(6439, 4096, F64, 20) (dual of [4096, 4057, 21]-code), using an extension Ce(19) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,19], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(6437, 4096, F64, 19) (dual of [4096, 4059, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 4095 = 642−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(640, 2, F64, 0) (dual of [2, 2, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(640, s, F64, 0) (dual of [s, s, 1]-code) for arbitrarily large s, 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:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(6449, 1431, F64, 3, 20) (dual of [(1431, 3), 4244, 21]-NRT-code) | [i] | (u, u+v)-Construction for OOAs | |
| 2 | Linear OOA(6450, 1446, F64, 3, 20) (dual of [(1446, 3), 4288, 21]-NRT-code) | [i] | ||
| 3 | Linear OOA(6452, 1470, F64, 3, 20) (dual of [(1470, 3), 4358, 21]-NRT-code) | [i] | ||
| 4 | Linear OOA(6454, 1496, F64, 3, 20) (dual of [(1496, 3), 4434, 21]-NRT-code) | [i] | ||
| 5 | Linear OOA(6455, 1511, F64, 3, 20) (dual of [(1511, 3), 4478, 21]-NRT-code) | [i] | ||
| 6 | Linear OOA(6456, 1543, F64, 3, 20) (dual of [(1543, 3), 4573, 21]-NRT-code) | [i] | ||
| 7 | Digital (19, 39, 1243)-net over F64 | [i] | Embedding of OOA with Gilbert–Varšamov Bound | |