Information on Result #675230
Linear OA(3136, 19728, F3, 21) (dual of [19728, 19592, 22]-code), using construction X applied to Ce(21) ⊂ Ce(15) based on
- linear OA(3127, 19683, F3, 22) (dual of [19683, 19556, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 19682 = 39−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(391, 19683, F3, 16) (dual of [19683, 19592, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 19682 = 39−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(39, 45, F3, 4) (dual of [45, 36, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 80 = 34−1, defining interval I = [0,2], and designed minimum distance d ≥ |I|+1 = 5 [i]
- discarding factors / shortening the dual code based on linear OA(39, 80, F3, 4) (dual of [80, 71, 5]-code), 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(3136, 9864, F3, 2, 21) (dual of [(9864, 2), 19592, 22]-NRT-code) | [i] | OOA Folding | |
| 2 | Linear OOA(3136, 6576, F3, 3, 21) (dual of [(6576, 3), 19592, 22]-NRT-code) | [i] | ||
| 3 | Linear OOA(3136, 4932, F3, 4, 21) (dual of [(4932, 4), 19592, 22]-NRT-code) | [i] | ||
| 4 | Linear OOA(3136, 3945, F3, 5, 21) (dual of [(3945, 5), 19589, 22]-NRT-code) | [i] | ||