Information on Result #1060483
Linear OOA(3230, 2391493, F3, 4, 18) (dual of [(2391493, 4), 9565742, 19]-NRT-code), using OOA 2-folding based on linear OOA(3230, 4782986, F3, 2, 18) (dual of [(4782986, 2), 9565742, 19]-NRT-code), using
- trace code [i] based on linear OOA(9115, 2391493, F9, 2, 18) (dual of [(2391493, 2), 4782871, 19]-NRT-code), using
- OOA 2-folding [i] based on linear OA(9115, 4782986, F9, 18) (dual of [4782986, 4782871, 19]-code), using
- construction XX applied to Ce(18) ⊂ Ce(15) ⊂ Ce(14) [i] based on
- linear OA(9113, 4782969, F9, 19) (dual of [4782969, 4782856, 20]-code), using an extension Ce(18) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,18], and designed minimum distance d ≥ |I|+1 = 19 [i]
- linear OA(999, 4782969, F9, 16) (dual of [4782969, 4782870, 17]-code), using an extension Ce(15) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,15], and designed minimum distance d ≥ |I|+1 = 16 [i]
- linear OA(992, 4782969, F9, 15) (dual of [4782969, 4782877, 16]-code), using an extension Ce(14) of the primitive narrow-sense BCH-code C(I) with length 4782968 = 97−1, defining interval I = [1,14], and designed minimum distance d ≥ |I|+1 = 15 [i]
- linear OA(91, 16, F9, 1) (dual of [16, 15, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(91, 728, F9, 1) (dual of [728, 727, 2]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [0,0], and designed minimum distance d ≥ |I|+1 = 2 [i]
- discarding factors / shortening the dual code based on linear OA(91, 728, F9, 1) (dual of [728, 727, 2]-code), using
- linear OA(90, 1, F9, 0) (dual of [1, 1, 1]-code), using
- dual of repetition code with length 1 [i]
- construction XX applied to Ce(18) ⊂ Ce(15) ⊂ Ce(14) [i] based on
- OOA 2-folding [i] based on linear OA(9115, 4782986, F9, 18) (dual of [4782986, 4782871, 19]-code), using
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m 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(3231, 2391493, F3, 4, 18) (dual of [(2391493, 4), 9565741, 19]-NRT-code) | [i] | OOA Duplication | |