Information on Result #684933
Linear OA(7105, 2405, F7, 31) (dual of [2405, 2300, 32]-code), using construction X applied to Ce(30) ⊂ Ce(29) based on
- linear OA(7105, 2401, F7, 31) (dual of [2401, 2296, 32]-code), using an extension Ce(30) of the primitive narrow-sense BCH-code C(I) with length 2400 = 74−1, defining interval I = [1,30], and designed minimum distance d ≥ |I|+1 = 31 [i]
- linear OA(7101, 2401, F7, 30) (dual of [2401, 2300, 31]-code), using an extension Ce(29) of the primitive narrow-sense BCH-code C(I) with length 2400 = 74−1, defining interval I = [1,29], and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(70, 4, F7, 0) (dual of [4, 4, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(70, s, F7, 0) (dual of [s, s, 1]-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(7108, 2431, F7, 31) (dual of [2431, 2323, 32]-code) | [i] | Varšamov–Edel Lengthening | |
2 | Linear OA(7109, 2480, F7, 31) (dual of [2480, 2371, 32]-code) | [i] | ||
3 | Linear OA(7110, 2574, F7, 31) (dual of [2574, 2464, 32]-code) | [i] | ||
4 | Linear OOA(7105, 1202, F7, 2, 31) (dual of [(1202, 2), 2299, 32]-NRT-code) | [i] | OOA Folding | |
5 | Linear OOA(7105, 801, F7, 3, 31) (dual of [(801, 3), 2298, 32]-NRT-code) | [i] |