Information on Result #1537282
Linear OOA(4140, 103931, F4, 3, 21) (dual of [(103931, 3), 311653, 22]-NRT-code), using embedding of OOA with Gilbert–Varšamov bound based on linear OOA(4140, 103931, F4, 2, 21) (dual of [(103931, 2), 207722, 22]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(4140, 131083, F4, 2, 21) (dual of [(131083, 2), 262026, 22]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4140, 262166, F4, 21) (dual of [262166, 262026, 22]-code), using
- 1 times code embedding in larger space [i] based on linear OA(4139, 262165, F4, 21) (dual of [262165, 262026, 22]-code), using
- construction X applied to Ce(20) ⊂ Ce(17) [i] based on
- linear OA(4136, 262144, F4, 21) (dual of [262144, 262008, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 262143 = 49−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(4118, 262144, F4, 18) (dual of [262144, 262026, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 262143 = 49−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(43, 21, F4, 2) (dual of [21, 18, 3]-code), using
- Hamming code H(3,4) [i]
- construction X applied to Ce(20) ⊂ Ce(17) [i] based on
- 1 times code embedding in larger space [i] based on linear OA(4139, 262165, F4, 21) (dual of [262165, 262026, 22]-code), using
- OOA 2-folding [i] based on linear OA(4140, 262166, F4, 21) (dual of [262166, 262026, 22]-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.