Information on Result #1479106
Linear OOA(4114, 7571, F4, 3, 20) (dual of [(7571, 3), 22599, 21]-NRT-code), using OOA 2-folding based on linear OOA(4114, 15142, F4, 2, 20) (dual of [(15142, 2), 30170, 21]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(4114, 15143, F4, 2, 20) (dual of [(15143, 2), 30172, 21]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4114, 15143, F4, 20) (dual of [15143, 15029, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(4114, 16407, F4, 20) (dual of [16407, 16293, 21]-code), using
- construction X4 applied to Ce(21) ⊂ Ce(17) [i] based on
- linear OA(4113, 16384, F4, 22) (dual of [16384, 16271, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(492, 16384, F4, 18) (dual of [16384, 16292, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 16383 = 47−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(422, 23, F4, 22) (dual of [23, 1, 23]-code or 23-arc in PG(21,4)), using
- dual of repetition code with length 23 [i]
- linear OA(41, 23, F4, 1) (dual of [23, 22, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(41, s, F4, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X4 applied to Ce(21) ⊂ Ce(17) [i] based on
- discarding factors / shortening the dual code based on linear OA(4114, 16407, F4, 20) (dual of [16407, 16293, 21]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4114, 15143, F4, 20) (dual of [15143, 15029, 21]-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.