Information on Result #704478

Linear OA(397, 740, F3, 24) (dual of [740, 643, 25]-code), using construction XX applied to C1 = C([727,21]), C2 = C([0,22]), C3 = C1 + C2 = C([0,21]), and C∩ = C1 ∩ C2 = C([727,22]) based on
  1. linear OA(391, 728, F3, 23) (dual of [728, 637, 24]-code), using the primitive BCH-code C(I) with length 728 = 36−1, defining interval I = {−1,0,…,21}, and designed minimum distance d ≥ |I|+1 = 24 [i]
  2. linear OA(391, 728, F3, 23) (dual of [728, 637, 24]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 36−1, defining interval I = [0,22], and designed minimum distance d ≥ |I|+1 = 24 [i]
  3. linear OA(397, 728, F3, 24) (dual of [728, 631, 25]-code), using the primitive BCH-code C(I) with length 728 = 36−1, defining interval I = {−1,0,…,22}, and designed minimum distance d ≥ |I|+1 = 25 [i]
  4. linear OA(385, 728, F3, 22) (dual of [728, 643, 23]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 36−1, defining interval I = [0,21], and designed minimum distance d ≥ |I|+1 = 23 [i]
  5. linear OA(30, 6, F3, 0) (dual of [6, 6, 1]-code), using
  6. 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:

ResultThis
result
only
Method
1Linear OA(3104, 766, F3, 24) (dual of [766, 662, 25]-code) [i]VarÅ¡amov–Edel Lengthening
2Linear OA(3105, 779, F3, 24) (dual of [779, 674, 25]-code) [i]
3Linear OA(3106, 796, F3, 24) (dual of [796, 690, 25]-code) [i]
4Linear OA(3107, 819, F3, 24) (dual of [819, 712, 25]-code) [i]
5Linear OA(3108, 847, F3, 24) (dual of [847, 739, 25]-code) [i]
6Linear OOA(397, 370, F3, 2, 24) (dual of [(370, 2), 643, 25]-NRT-code) [i]OOA Folding
7Linear OOA(397, 246, F3, 3, 24) (dual of [(246, 3), 641, 25]-NRT-code) [i]
8Linear OOA(397, 185, F3, 4, 24) (dual of [(185, 4), 643, 25]-NRT-code) [i]