Information on Result #685271

Linear OA(776, 346, F7, 30) (dual of [346, 270, 31]-code), using construction X applied to Ce(29) ⊂ Ce(28) based on
  1. linear OA(776, 343, F7, 30) (dual of [343, 267, 31]-code), using an extension Ce(29) of the primitive narrow-sense BCH-code C(I) with length 342 = 73−1, defining interval I = [1,29], and designed minimum distance d ≥ |I|+1 = 30 [i]
  2. linear OA(773, 343, F7, 29) (dual of [343, 270, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 342 = 73−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
  3. linear OA(70, 3, F7, 0) (dual of [3, 3, 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 OA(777, 359, F7, 30) (dual of [359, 282, 31]-code) [i]VarÅ¡amov–Edel Lengthening
2Linear OA(778, 380, F7, 30) (dual of [380, 302, 31]-code) [i]
3Linear OOA(776, 173, F7, 2, 30) (dual of [(173, 2), 270, 31]-NRT-code) [i]OOA Folding
4Linear OOA(776, 115, F7, 3, 30) (dual of [(115, 3), 269, 31]-NRT-code) [i]