Information on Result #673638
Linear OA(218, 266, F2, 5) (dual of [266, 248, 6]-code), using construction X4 applied to Ce(4) ⊂ Ce(2) based on
- linear OA(217, 256, F2, 5) (dual of [256, 239, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [i]
- linear OA(29, 256, F2, 3) (dual of [256, 247, 4]-code or 256-cap in PG(8,2)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 255 = 28−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(29, 10, F2, 9) (dual of [10, 1, 10]-code or 10-arc in PG(8,2)), using
- dual of repetition code with length 10 [i]
- linear OA(21, 10, F2, 1) (dual of [10, 9, 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(217, 265, F2, 4) (dual of [265, 248, 5]-code) | [i] | Truncation | |
| 2 | Linear OOA(218, 133, F2, 2, 5) (dual of [(133, 2), 248, 6]-NRT-code) | [i] | OOA Folding | |