Information on Result #701147
Linear OA(424, 93, F4, 9) (dual of [93, 69, 10]-code), using construction XX applied to C1 = C({2,5,6,14,21}), C2 = C({2,5,6,14,17}), C3 = C1 + C2 = C({2,5,6,14}), and C∩ = C1 ∩ C2 = C({2,5,6,14,17,21}) based on
- linear OA(420, 85, F4, 7) (dual of [85, 65, 8]-code), using the cyclic code C(A) with length 85 | 44−1, defining set A = {2,5,6,14,21}, and minimum distance d ≥ |{−4,−1,2,…,14}|+1 = 8 (BCH-bound) [i]
- linear OA(418, 85, F4, 7) (dual of [85, 67, 8]-code), using the cyclic code C(A) with length 85 | 44−1, defining set A = {2,5,6,14,17}, and minimum distance d ≥ |{2,5,8,…,20}|+1 = 8 (BCH-bound) [i]
- linear OA(422, 85, F4, 9) (dual of [85, 63, 10]-code), using the cyclic code C(A) with length 85 | 44−1, defining set A = {2,5,6,14,17,21}, and minimum distance d ≥ |{−4,−1,2,…,20}|+1 = 10 (BCH-bound) [i]
- linear OA(416, 85, F4, 5) (dual of [85, 69, 6]-code), using the cyclic code C(A) with length 85 | 44−1, defining set A = {2,5,6,14}, and minimum distance d ≥ |{2,5,8,11,14}|+1 = 6 (BCH-bound) [i]
- linear OA(41, 5, F4, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(41, s, F4, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- linear OA(41, 3, F4, 1) (dual of [3, 2, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(41, 4, F4, 1) (dual of [4, 3, 2]-code), using
- Reed–Solomon code RS(3,4) [i]
- discarding factors / shortening the dual code based on linear OA(41, 4, F4, 1) (dual of [4, 3, 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.
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:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OA(4259, 262238, F4, 35) (dual of [262238, 261979, 36]-code) | [i] | Construction X with Cyclic Codes | |
| 2 | Linear OOA(424, 46, F4, 2, 9) (dual of [(46, 2), 68, 10]-NRT-code) | [i] | OOA Folding | |