Information on Result #2226686
Linear OA(2191, 524307, F2, 20) (dual of [524307, 524116, 21]-code), using 1 times truncation based on linear OA(2192, 524308, F2, 21) (dual of [524308, 524116, 22]-code), using
- construction X applied to Ce(20) ⊂ Ce(18) [i] based on
- linear OA(2191, 524288, F2, 21) (dual of [524288, 524097, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 524287 = 219−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(2172, 524288, F2, 19) (dual of [524288, 524116, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 524287 = 219−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(21, 20, F2, 1) (dual of [20, 19, 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 OOA(2191, 262153, F2, 2, 20) (dual of [(262153, 2), 524115, 21]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(2191, 174769, F2, 3, 20) (dual of [(174769, 3), 524116, 21]-NRT-code) | [i] | ||
| 3 | Linear OOA(2191, 131076, F2, 4, 20) (dual of [(131076, 4), 524113, 21]-NRT-code) | [i] | ||
| 4 | Linear OOA(2191, 104861, F2, 5, 20) (dual of [(104861, 5), 524114, 21]-NRT-code) | [i] | ||
| 5 | Linear OOA(2191, 87384, F2, 6, 20) (dual of [(87384, 6), 524113, 21]-NRT-code) | [i] | ||
| 6 | Linear OOA(2191, 74901, F2, 7, 20) (dual of [(74901, 7), 524116, 21]-NRT-code) | [i] | ||
| 7 | Linear OOA(2191, 65538, F2, 8, 20) (dual of [(65538, 8), 524113, 21]-NRT-code) | [i] | ||
| 8 | Linear OOA(2191, 52430, F2, 20, 20) (dual of [(52430, 20), 1048409, 21]-NRT-code) | [i] | OA Folding and Stacking | |