Information on Result #1666858
Linear OOA(2185, 44838, F2, 6, 20) (dual of [(44838, 6), 268843, 21]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(2185, 44838, F2, 5, 20) (dual of [(44838, 5), 224005, 21]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(2185, 52433, F2, 5, 20) (dual of [(52433, 5), 261980, 21]-NRT-code), using
- 21 times duplication [i] based on linear OOA(2184, 52433, F2, 5, 20) (dual of [(52433, 5), 261981, 21]-NRT-code), using
- OOA 5-folding [i] based on linear OA(2184, 262165, F2, 20) (dual of [262165, 261981, 21]-code), using
- 3 times code embedding in larger space [i] based on linear OA(2181, 262162, F2, 20) (dual of [262162, 261981, 21]-code), using
- 1 times truncation [i] based on linear OA(2182, 262163, F2, 21) (dual of [262163, 261981, 22]-code), using
- construction X applied to Ce(20) ⊂ Ce(18) [i] based on
- linear OA(2181, 262144, F2, 21) (dual of [262144, 261963, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 262143 = 218−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2163, 262144, F2, 19) (dual of [262144, 261981, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 262143 = 218−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(21, 19, F2, 1) (dual of [19, 18, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(21, s, F2, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X applied to Ce(20) ⊂ Ce(18) [i] based on
- 1 times truncation [i] based on linear OA(2182, 262163, F2, 21) (dual of [262163, 261981, 22]-code), using
- 3 times code embedding in larger space [i] based on linear OA(2181, 262162, F2, 20) (dual of [262162, 261981, 21]-code), using
- OOA 5-folding [i] based on linear OA(2184, 262165, F2, 20) (dual of [262165, 261981, 21]-code), using
- 21 times duplication [i] based on linear OOA(2184, 52433, F2, 5, 20) (dual of [(52433, 5), 261981, 21]-NRT-code), using
Mode: 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
None.