Information on Result #710452
Linear OA(5127, 146, F5, 78) (dual of [146, 19, 79]-code), using construction XX applied to C1 = C([119,67]), C2 = C([0,72]), C3 = C1 + C2 = C([0,67]), and C∩ = C1 ∩ C2 = C([119,72]) based on
- linear OA(5111, 124, F5, 73) (dual of [124, 13, 74]-code), using the primitive BCH-code C(I) with length 124 = 53−1, defining interval I = {−5,−4,…,67}, and designed minimum distance d ≥ |I|+1 = 74 [i]
- linear OA(5111, 124, F5, 73) (dual of [124, 13, 74]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 124 = 53−1, defining interval I = [0,72], and designed minimum distance d ≥ |I|+1 = 74 [i]
- linear OA(5117, 124, F5, 78) (dual of [124, 7, 79]-code), using the primitive BCH-code C(I) with length 124 = 53−1, defining interval I = {−5,−4,…,72}, and designed minimum distance d ≥ |I|+1 = 79 [i]
- linear OA(5105, 124, F5, 68) (dual of [124, 19, 69]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 124 = 53−1, defining interval I = [0,67], and designed minimum distance d ≥ |I|+1 = 69 [i]
- linear OA(55, 11, F5, 4) (dual of [11, 6, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(55, 12, F5, 4) (dual of [12, 7, 5]-code), using
- linear OA(55, 11, F5, 4) (dual of [11, 6, 5]-code) (see above)
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(5127, 146, F5, 77) (dual of [146, 19, 78]-code) | [i] | Strength Reduction | |
| 2 | Linear OA(5126, 145, F5, 77) (dual of [145, 19, 78]-code) | [i] | Truncation | |
| 3 | Linear OA(5125, 144, F5, 76) (dual of [144, 19, 77]-code) | [i] | ||
| 4 | Linear OOA(5127, 73, F5, 2, 78) (dual of [(73, 2), 19, 79]-NRT-code) | [i] | OOA Folding | |