Information on Result #698603
Linear OA(6438, 4102, F64, 19) (dual of [4102, 4064, 20]-code), using construction X applied to C([0,9]) ⊂ C([0,8]) based on
- linear OA(6437, 4097, F64, 19) (dual of [4097, 4060, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(6433, 4097, F64, 17) (dual of [4097, 4064, 18]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,8], and minimum distance d ≥ |{−8,−7,…,8}|+1 = 18 (BCH-bound) [i]
- linear OA(641, 5, F64, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(641, s, F64, 1) (dual of [s, s−1, 2]-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 OA(876, 8204, F8, 19) (dual of [8204, 8128, 20]-code) | [i] | Trace Code | |
2 | OA(3246, 4102, S32, 19) | [i] | Discarding Parts of the Base for OAs | |
3 | Linear OA(6448, 4182, F64, 19) (dual of [4182, 4134, 20]-code) | [i] | (u, u+v)-Construction | |
4 | Linear OOA(6438, 2051, F64, 2, 19) (dual of [(2051, 2), 4064, 20]-NRT-code) | [i] | OOA Folding | |
5 | Linear OOA(6438, 1367, F64, 3, 19) (dual of [(1367, 3), 4063, 20]-NRT-code) | [i] |