Information on Result #946362
Linear OOA(2186, 21859, F2, 3, 23) (dual of [(21859, 3), 65391, 24]-NRT-code), using OOA 3-folding based on linear OA(2186, 65577, F2, 23) (dual of [65577, 65391, 24]-code), using
- 2 times code embedding in larger space [i] based on linear OA(2184, 65575, F2, 23) (dual of [65575, 65391, 24]-code), using
- construction X applied to Ce(22) ⊂ Ce(18) [i] based on
- linear OA(2177, 65536, F2, 23) (dual of [65536, 65359, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 65535 = 216−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(2145, 65536, F2, 19) (dual of [65536, 65391, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 65535 = 216−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(27, 39, F2, 3) (dual of [39, 32, 4]-code or 39-cap in PG(6,2)), using
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 63 = 26−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 4 [i]
- discarding factors / shortening the dual code based on linear OA(27, 63, F2, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
- construction X applied to Ce(22) ⊂ Ce(18) [i] based on
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:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OOA(2186, 21859, F2, 3, 22) (dual of [(21859, 3), 65391, 23]-NRT-code) | [i] | Strength Reduction for OOAs | |
| 2 | Linear OOA(2187, 21859, F2, 3, 23) (dual of [(21859, 3), 65390, 24]-NRT-code) | [i] | OOA Duplication | |
| 3 | Linear OOA(2185, 21858, F2, 3, 22) (dual of [(21858, 3), 65389, 23]-NRT-code) | [i] | Truncation for OOAs | |