Information on Result #677574

Linear OA(3123, 130, F3, 79) (dual of [130, 7, 80]-code), using construction X applied to C([1,159]) ⊂ C([1,99]) based on
  1. linear OA(379, 80, F3, 79) (dual of [80, 1, 80]-code or 80-arc in PG(78,3)), using contraction [i] based on linear OA(3159, 160, F3, 159) (dual of [160, 1, 160]-code or 160-arc in PG(158,3)), using the narrow-sense BCH-code C(I) with length 160 | 38−1, defining interval I = [1,159], and designed minimum distance d ≥ |I|+1 = 160 [i]
  2. linear OA(373, 80, F3, 49) (dual of [80, 7, 50]-code), using contraction [i] based on linear OA(3153, 160, F3, 99) (dual of [160, 7, 100]-code), using the narrow-sense BCH-code C(I) with length 160 | 38−1, defining interval I = [1,99], and designed minimum distance d ≥ |I|+1 = 100 [i]
  3. linear OA(344, 50, F3, 29) (dual of [50, 6, 30]-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.

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 OA(3123, 130, F3, 78) (dual of [130, 7, 79]-code) [i]Strength Reduction
2Linear OOA(3123, 26, F3, 5, 79) (dual of [(26, 5), 7, 80]-NRT-code) [i]OOA Folding