Information on Result #701692

Linear OA(235, 274, F2, 8) (dual of [274, 239, 9]-code), using construction XX applied to C1 = C([253,4]), C2 = C([1,6]), C3 = C1 + C2 = C([1,4]), and C∩ = C1 ∩ C2 = C([253,6]) based on
  1. linear OA(225, 255, F2, 7) (dual of [255, 230, 8]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−2,−1,…,4}, and designed minimum distance d ≥ |I|+1 = 8 [i]
  2. linear OA(224, 255, F2, 6) (dual of [255, 231, 7]-code), using the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
  3. linear OA(233, 255, F2, 9) (dual of [255, 222, 10]-code), using the primitive BCH-code C(I) with length 255 = 28−1, defining interval I = {−2,−1,…,6}, and designed minimum distance d ≥ |I|+1 = 10 [i]
  4. linear OA(216, 255, F2, 4) (dual of [255, 239, 5]-code), using the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
  5. linear OA(21, 10, F2, 1) (dual of [10, 9, 2]-code), using
  6. linear OA(21, 9, F2, 1) (dual of [9, 8, 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 OOA(235, 145, F2, 2, 8) (dual of [(145, 2), 255, 9]-NRT-code) [i]Embedding of OOA with Gilbert–VarÅ¡amov Bound
2Linear OOA(235, 145, F2, 3, 8) (dual of [(145, 3), 400, 9]-NRT-code) [i]
3Linear OOA(235, 145, F2, 4, 8) (dual of [(145, 4), 545, 9]-NRT-code) [i]
4Linear OOA(235, 145, F2, 5, 8) (dual of [(145, 5), 690, 9]-NRT-code) [i]
5Linear OOA(235, 145, F2, 6, 8) (dual of [(145, 6), 835, 9]-NRT-code) [i]
6Linear OOA(235, 145, F2, 7, 8) (dual of [(145, 7), 980, 9]-NRT-code) [i]
7Linear OA(236, 275, F2, 9) (dual of [275, 239, 10]-code) [i]Adding a Parity Check Bit
8Linear OOA(235, 137, F2, 2, 8) (dual of [(137, 2), 239, 9]-NRT-code) [i]OOA Folding
9Linear OOA(235, 91, F2, 3, 8) (dual of [(91, 3), 238, 9]-NRT-code) [i]