Information on Result #675292

Linear OA(340, 19697, F3, 7) (dual of [19697, 19657, 8]-code), using construction XX applied to Ce(6) ⊂ Ce(4) ⊂ Ce(3) based on
  1. linear OA(337, 19683, F3, 7) (dual of [19683, 19646, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 19682 = 39−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
  2. linear OA(328, 19683, F3, 5) (dual of [19683, 19655, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 19682 = 39−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
  3. linear OA(319, 19683, F3, 4) (dual of [19683, 19664, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 19682 = 39−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
  4. linear OA(31, 12, F3, 1) (dual of [12, 11, 2]-code), using
  5. linear OA(30, 2, F3, 0) (dual of [2, 2, 1]-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.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

ResultThis
result
only
Method
1Linear OOA(340, 6565, F3, 4, 7) (dual of [(6565, 4), 26220, 8]-NRT-code) [i]OOA Folding and Stacking with Additional Row
2Linear OOA(340, 6565, F3, 5, 7) (dual of [(6565, 5), 32785, 8]-NRT-code) [i]
3Linear OOA(340, 6565, F3, 7, 7) (dual of [(6565, 7), 45915, 8]-NRT-code) [i]