Information on Result #1718370
Digital (121, 139, 174770)-net over F4, using net defined by OOA based on linear OOA(4139, 174770, F4, 21, 18) (dual of [(174770, 21), 3670031, 19]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(4139, 524311, F4, 3, 18) (dual of [(524311, 3), 1572794, 19]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(4139, 524312, F4, 3, 18) (dual of [(524312, 3), 1572797, 19]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(4139, 524312, F4, 2, 18) (dual of [(524312, 2), 1048485, 19]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4139, 1048624, F4, 18) (dual of [1048624, 1048485, 19]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- linear OA(4131, 1048576, F4, 18) (dual of [1048576, 1048445, 19]-code), using an extension Ce(17) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,17], and designed minimum distance d ≥ |I|+1 = 18 [i]
- linear OA(491, 1048576, F4, 13) (dual of [1048576, 1048485, 14]-code), using an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(48, 48, F4, 4) (dual of [48, 40, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(48, 85, F4, 4) (dual of [85, 77, 5]-code), using
- construction X applied to Ce(17) ⊂ Ce(12) [i] based on
- OOA 2-folding [i] based on linear OA(4139, 1048624, F4, 18) (dual of [1048624, 1048485, 19]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(4139, 524312, F4, 2, 18) (dual of [(524312, 2), 1048485, 19]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(4139, 524312, F4, 3, 18) (dual of [(524312, 3), 1572797, 19]-NRT-code), using
Mode: Linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t, t and s.
Other Results with Identical Parameters
None.
Depending Results
None.