Information on Result #1117821
Linear OOA(3230, 1679362, F3, 5, 19) (dual of [(1679362, 5), 8396580, 20]-NRT-code), using (u, u+v)-construction based on
- linear OOA(349, 1642, F3, 5, 9) (dual of [(1642, 5), 8161, 10]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(349, 6569, F3, 9) (dual of [6569, 6520, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(349, 6570, F3, 9) (dual of [6570, 6521, 10]-code), using
- construction X4 applied to C([1,9]) ⊂ C([1,7]) [i] based on
- linear OA(348, 6560, F3, 9) (dual of [6560, 6512, 10]-code), using the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(340, 6560, F3, 7) (dual of [6560, 6520, 8]-code), using the primitive narrow-sense BCH-code C(I) with length 6560 = 38−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(39, 10, F3, 9) (dual of [10, 1, 10]-code or 10-arc in PG(8,3)), using
- dual of repetition code with length 10 [i]
- linear OA(31, 10, F3, 1) (dual of [10, 9, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X4 applied to C([1,9]) ⊂ C([1,7]) [i] based on
- discarding factors / shortening the dual code based on linear OA(349, 6570, F3, 9) (dual of [6570, 6521, 10]-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(349, 6569, F3, 9) (dual of [6569, 6520, 10]-code), using
- linear OOA(3181, 1677720, F3, 5, 19) (dual of [(1677720, 5), 8388419, 20]-NRT-code), using
- OOA 5-folding [i] based on linear OA(3181, 8388600, F3, 19) (dual of [8388600, 8388419, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- OOA 5-folding [i] based on linear OA(3181, 8388600, F3, 19) (dual of [8388600, 8388419, 20]-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
None.