Information on Result #2243458
Linear OA(4140, 262175, F4, 20) (dual of [262175, 262035, 21]-code), using 1 times truncation based on linear OA(4141, 262176, F4, 21) (dual of [262176, 262035, 22]-code), using
- construction X applied to Ce(20) ⊂ Ce(16) [i] based on
- linear OA(4136, 262144, F4, 21) (dual of [262144, 262008, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 262143 = 49−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(4109, 262144, F4, 17) (dual of [262144, 262035, 18]-code), using an extension Ce(16) of the primitive narrow-sense BCH-code C(I) with length 262143 = 49−1, defining interval I = [1,16], and designed minimum distance d ≥ |I|+1 = 17 [i]
- linear OA(45, 32, F4, 3) (dual of [32, 27, 4]-code or 32-cap in PG(4,4)), using
- discarding factors / shortening the dual code based on linear OA(45, 41, F4, 3) (dual of [41, 36, 4]-code or 41-cap in PG(4,4)), 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(4142, 262177, F4, 20) (dual of [262177, 262035, 21]-code) | [i] | Code Embedding in Larger Space | |
| 2 | Linear OOA(4140, 131087, F4, 2, 20) (dual of [(131087, 2), 262034, 21]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(4140, 87391, F4, 3, 20) (dual of [(87391, 3), 262033, 21]-NRT-code) | [i] | ||
| 4 | Linear OOA(4140, 26217, F4, 20, 20) (dual of [(26217, 20), 524200, 21]-NRT-code) | [i] | OA Folding and Stacking | |