Information on Result #678176

Linear OA(492, 1048598, F4, 12) (dual of [1048598, 1048506, 13]-code), using construction X4 applied to Ce(12) ⊂ Ce(9) based on
  1. 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]
  2. linear OA(471, 1048576, F4, 10) (dual of [1048576, 1048505, 11]-code), using an extension Ce(9) of the primitive narrow-sense BCH-code C(I) with length 1048575 = 410−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
  3. linear OA(421, 22, F4, 21) (dual of [22, 1, 22]-code or 22-arc in PG(20,4)), using
  4. linear OA(41, 22, F4, 1) (dual of [22, 21, 2]-code), 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:

ResultThis
result
only
Method
1Linear OA(493, 1048599, F4, 12) (dual of [1048599, 1048506, 13]-code) [i]Code Embedding in Larger Space
2Linear OA(494, 1048600, F4, 12) (dual of [1048600, 1048506, 13]-code) [i]
3Linear OA(494, 1048601, F4, 12) (dual of [1048601, 1048507, 13]-code) [i]Construction X with VarÅ¡amov Bound
4Linear OOA(492, 524299, F4, 2, 12) (dual of [(524299, 2), 1048506, 13]-NRT-code) [i]OOA Folding