Information on Result #1691385
Linear OOA(2131, 266, F2, 8, 24) (dual of [(266, 8), 1997, 25]-NRT-code), using OOA 2-folding based on linear OOA(2131, 532, F2, 4, 24) (dual of [(532, 4), 1997, 25]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(2131, 532, F2, 2, 24) (dual of [(532, 2), 933, 25]-NRT-code), using
- 1 times NRT-code embedding in larger space [i] based on linear OOA(2129, 531, F2, 2, 24) (dual of [(531, 2), 933, 25]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2129, 1062, F2, 24) (dual of [1062, 933, 25]-code), using
- strength reduction [i] based on linear OA(2129, 1062, F2, 25) (dual of [1062, 933, 26]-code), using
- adding a parity check bit [i] based on linear OA(2128, 1061, F2, 24) (dual of [1061, 933, 25]-code), using
- construction XX applied to C1 = C([1019,18]), C2 = C([1,20]), C3 = C1 + C2 = C([1,18]), and C∩ = C1 ∩ C2 = C([1019,20]) [i] based on
- linear OA(2111, 1023, F2, 23) (dual of [1023, 912, 24]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−4,−3,…,18}, and designed minimum distance d ≥ |I|+1 = 24 [i]
- linear OA(2100, 1023, F2, 20) (dual of [1023, 923, 21]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2121, 1023, F2, 25) (dual of [1023, 902, 26]-code), using the primitive BCH-code C(I) with length 1023 = 210−1, defining interval I = {−4,−3,…,20}, and designed minimum distance d ≥ |I|+1 = 26 [i]
- linear OA(290, 1023, F2, 18) (dual of [1023, 933, 19]-code), using the primitive narrow-sense BCH-code C(I) with length 1023 = 210−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(26, 27, F2, 3) (dual of [27, 21, 4]-code or 27-cap in PG(5,2)), using
- discarding factors / shortening the dual code based on linear OA(26, 32, F2, 3) (dual of [32, 26, 4]-code or 32-cap in PG(5,2)), using
- linear OA(21, 11, F2, 1) (dual of [11, 10, 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 XX applied to C1 = C([1019,18]), C2 = C([1,20]), C3 = C1 + C2 = C([1,18]), and C∩ = C1 ∩ C2 = C([1019,20]) [i] based on
- adding a parity check bit [i] based on linear OA(2128, 1061, F2, 24) (dual of [1061, 933, 25]-code), using
- strength reduction [i] based on linear OA(2129, 1062, F2, 25) (dual of [1062, 933, 26]-code), using
- OOA 2-folding [i] based on linear OA(2129, 1062, F2, 24) (dual of [1062, 933, 25]-code), using
- 1 times NRT-code embedding in larger space [i] based on linear OOA(2129, 531, F2, 2, 24) (dual of [(531, 2), 933, 25]-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.