Information on Result #681951

Linear OA(451, 68, F4, 29) (dual of [68, 17, 30]-code), using construction X applied to C([1,89]) ⊂ C([1,80]) based on
  1. linear OA(449, 63, F4, 29) (dual of [63, 14, 30]-code), using contraction [i] based on linear OA(4175, 189, F4, 89) (dual of [189, 14, 90]-code), using the narrow-sense BCH-code C(I) with length 189 | 49−1, defining interval I = [1,89], and designed minimum distance d ≥ |I|+1 = 90 [i]
  2. linear OA(446, 63, F4, 26) (dual of [63, 17, 27]-code), using contraction [i] based on linear OA(4172, 189, F4, 80) (dual of [189, 17, 81]-code), using the narrow-sense BCH-code C(I) with length 189 | 49−1, defining interval I = [1,80], and designed minimum distance d ≥ |I|+1 = 81 [i]
  3. linear OA(42, 5, F4, 2) (dual of [5, 3, 3]-code or 5-arc in PG(1,4)), 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:

ResultThis
result
only
Method
1Linear OOA(451, 34, F4, 2, 29) (dual of [(34, 2), 17, 30]-NRT-code) [i]OOA Folding
2Linear OOA(451, 22, F4, 3, 29) (dual of [(22, 3), 15, 30]-NRT-code) [i]