Information on Result #672539
Linear OA(250, 65554, F2, 7) (dual of [65554, 65504, 8]-code), using construction X4 applied to Ce(6) ⊂ Ce(4) based on
- linear OA(249, 65536, F2, 7) (dual of [65536, 65487, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 65535 = 216−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(233, 65536, F2, 5) (dual of [65536, 65503, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 65535 = 216−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(217, 18, F2, 17) (dual of [18, 1, 18]-code or 18-arc in PG(16,2)), using
- dual of repetition code with length 18 [i]
- linear OA(21, 18, F2, 1) (dual of [18, 17, 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
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 OA(250, 65554, F2, 6) (dual of [65554, 65504, 7]-code) | [i] | Strength Reduction | |
| 2 | Linear OA(251, 65555, F2, 7) (dual of [65555, 65504, 8]-code) | [i] | Code Embedding in Larger Space | |
| 3 | Linear OA(249, 65553, F2, 6) (dual of [65553, 65504, 7]-code) | [i] | Truncation | |
| 4 | Linear OOA(250, 32777, F2, 2, 7) (dual of [(32777, 2), 65504, 8]-NRT-code) | [i] | OOA Folding | |