Information on Result #672446

Linear OA(2257, 131090, F2, 31) (dual of [131090, 130833, 32]-code), using construction X applied to Ce(30) ⊂ Ce(28) based on
  1. linear OA(2256, 131072, F2, 31) (dual of [131072, 130816, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 131071 = 217−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
  2. linear OA(2239, 131072, F2, 29) (dual of [131072, 130833, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 131071 = 217−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
  3. linear OA(21, 18, F2, 1) (dual of [18, 17, 2]-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(2257, 131090, F2, 30) (dual of [131090, 130833, 31]-code) [i]Strength Reduction
2Linear OA(2258, 131091, F2, 31) (dual of [131091, 130833, 32]-code) [i]Code Embedding in Larger Space
3Linear OA(2259, 131092, F2, 31) (dual of [131092, 130833, 32]-code) [i]
4Linear OA(2260, 131093, F2, 31) (dual of [131093, 130833, 32]-code) [i]
5Linear OA(2256, 131089, F2, 30) (dual of [131089, 130833, 31]-code) [i]Truncation
6Linear OOA(2257, 65545, F2, 2, 31) (dual of [(65545, 2), 130833, 32]-NRT-code) [i]OOA Folding
7Linear OOA(2257, 43696, F2, 3, 31) (dual of [(43696, 3), 130831, 32]-NRT-code) [i]
8Linear OOA(2257, 32772, F2, 4, 31) (dual of [(32772, 4), 130831, 32]-NRT-code) [i]
9Linear OOA(2257, 26218, F2, 5, 31) (dual of [(26218, 5), 130833, 32]-NRT-code) [i]
10Linear OOA(2257, 21848, F2, 6, 31) (dual of [(21848, 6), 130831, 32]-NRT-code) [i]
11Linear OOA(2257, 18727, F2, 7, 31) (dual of [(18727, 7), 130832, 32]-NRT-code) [i]
12Linear OOA(2257, 16386, F2, 8, 31) (dual of [(16386, 8), 130831, 32]-NRT-code) [i]
13Linear OOA(2257, 8739, F2, 31, 31) (dual of [(8739, 31), 270652, 32]-NRT-code) [i]OOA Folding and Stacking with Additional Row