Information on Result #704389
Linear OA(385, 740, F3, 21) (dual of [740, 655, 22]-code), using construction XX applied to C1 = C([727,18]), C2 = C([0,19]), C3 = C1 + C2 = C([0,18]), and C∩ = C1 ∩ C2 = C([727,19]) based on
- linear OA(379, 728, F3, 20) (dual of [728, 649, 21]-code), using the primitive BCH-code C(I) with length 728 = 36−1, defining interval I = {−1,0,…,18}, and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(379, 728, F3, 20) (dual of [728, 649, 21]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 36−1, defining interval I = [0,19], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(385, 728, F3, 21) (dual of [728, 643, 22]-code), using the primitive BCH-code C(I) with length 728 = 36−1, defining interval I = {−1,0,…,19}, and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(373, 728, F3, 19) (dual of [728, 655, 20]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 36−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- linear OA(30, 6, F3, 0) (dual of [6, 6, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(30, s, F3, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
- linear OA(30, 6, F3, 0) (dual of [6, 6, 1]-code) (see above)
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(392, 766, F3, 21) (dual of [766, 674, 22]-code) | [i] | Varšamov–Edel Lengthening | |
| 2 | Linear OA(393, 778, F3, 21) (dual of [778, 685, 22]-code) | [i] | ||
| 3 | Linear OA(394, 795, F3, 21) (dual of [795, 701, 22]-code) | [i] | ||
| 4 | Linear OA(395, 817, F3, 21) (dual of [817, 722, 22]-code) | [i] | ||
| 5 | Linear OA(396, 846, F3, 21) (dual of [846, 750, 22]-code) | [i] | ||
| 6 | Linear OOA(385, 370, F3, 2, 21) (dual of [(370, 2), 655, 22]-NRT-code) | [i] | OOA Folding | |
| 7 | Linear OOA(385, 246, F3, 3, 21) (dual of [(246, 3), 653, 22]-NRT-code) | [i] | ||
| 8 | Linear OOA(385, 185, F3, 4, 21) (dual of [(185, 4), 655, 22]-NRT-code) | [i] | ||