Information on Result #2177766
Linear OA(2111, 140, F2, 45) (dual of [140, 29, 46]-code), using strength reduction based on linear OA(2111, 140, F2, 47) (dual of [140, 29, 48]-code), using
- construction X applied to Ce(46) ⊂ Ce(42) [i] based on
- linear OA(2106, 128, F2, 47) (dual of [128, 22, 48]-code), using an extension Ce(46) of the primitive narrow-sense BCH-code C(I) with length 127 = 27−1, defining interval I = [1,46], and designed minimum distance d ≥ |I|+1 = 47 [i]
- linear OA(299, 128, F2, 43) (dual of [128, 29, 44]-code), using an extension Ce(42) of the primitive narrow-sense BCH-code C(I) with length 127 = 27−1, defining interval I = [1,42], and designed minimum distance d ≥ |I|+1 = 43 [i]
- linear OA(25, 12, F2, 3) (dual of [12, 7, 4]-code or 12-cap in PG(4,2)), using
- discarding factors / shortening the dual code based on linear OA(25, 16, F2, 3) (dual of [16, 11, 4]-code or 16-cap in PG(4,2)), 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.
Compare with Markus Grassl’s online database of code parameters.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
Result | This result only | Method | ||
---|---|---|---|---|
1 | Linear OA(2110, 139, F2, 44) (dual of [139, 29, 45]-code) | [i] | Truncation | |
2 | Linear OA(2109, 138, F2, 43) (dual of [138, 29, 44]-code) | [i] | ||
3 | Linear OA(2108, 137, F2, 42) (dual of [137, 29, 43]-code) | [i] | ||
4 | Linear OA(2106, 135, F2, 40) (dual of [135, 29, 41]-code) | [i] | ||
5 | Linear OOA(2111, 28, F2, 5, 45) (dual of [(28, 5), 29, 46]-NRT-code) | [i] | OOA Folding |