Information on Result #1151722
Linear OOA(2195, 18730, F2, 7, 23) (dual of [(18730, 7), 130915, 24]-NRT-code), using OOA 7-folding based on linear OA(2195, 131110, F2, 23) (dual of [131110, 130915, 24]-code), using
- discarding factors / shortening the dual code based on linear OA(2195, 131113, F2, 23) (dual of [131113, 130918, 24]-code), using
- construction X applied to Ce(22) ⊂ Ce(18) [i] based on
- linear OA(2188, 131072, F2, 23) (dual of [131072, 130884, 24]-code), using an extension Ce(22) of the primitive narrow-sense BCH-code C(I) with length 131071 = 217−1, defining interval I = [1,22], and designed minimum distance d ≥ |I|+1 = 23 [i]
- linear OA(2154, 131072, F2, 19) (dual of [131072, 130918, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 131071 = 217−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(27, 41, F2, 3) (dual of [41, 34, 4]-code or 41-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(2195, 18730, F2, 7, 22) (dual of [(18730, 7), 130915, 23]-NRT-code) | [i] | Strength Reduction for OOAs | |
| 2 | Linear OOA(2196, 18730, F2, 7, 23) (dual of [(18730, 7), 130914, 24]-NRT-code) | [i] | OOA Duplication | |
| 3 | Linear OOA(2197, 18730, F2, 7, 23) (dual of [(18730, 7), 130913, 24]-NRT-code) | [i] | ||
| 4 | Linear OOA(2198, 18730, F2, 7, 23) (dual of [(18730, 7), 130912, 24]-NRT-code) | [i] | ||