MinT - Information on Result #636788

Information on Result #636788

Linear OA(4¹⁶⁰, 220, F₄, 74) (dual of [220, 60, 75]-code), using concatenation of two codes based on

linear OA(64²⁴, 44, F₆₄, 24) (dual of [44, 20, 25]-code or 44-arc in PG(23,64)), using
- discarding factors / shortening the dual code based on linear OA(64²⁴, 64, F₆₄, 24) (dual of [64, 40, 25]-code or 64-arc in PG(23,64)), using
  - Reedâ€“Solomon code RS(40,64) [i]
linear OA(4², 5, F₄, 2) (dual of [5, 3, 3]-code or 5-arc in PG(1,4)), using
- extended Reedâ€“Solomon code RS_e(3,4) [i]
- Hamming code H(2,4) [i]

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.

Compare with Markus Grassl’s online database of code parameters.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

	Result		This result only	Method
1	Linear OA(4¹⁶⁰, 220, F₄, 73) (dual of [220, 60, 74]-code)	[i]		Strength Reduction
2	Linear OA(4¹⁶¹, 221, F₄, 74) (dual of [221, 60, 75]-code)	[i]		Code Embedding in Larger Space
3	Linear OA(4¹⁵⁹, 219, F₄, 73) (dual of [219, 60, 74]-code)	[i]		Truncation
4	Linear OA(4¹⁵⁸, 218, F₄, 72) (dual of [218, 60, 73]-code)	[i]		Truncation
5	Linear OOA(4¹⁶⁰, 110, F₄, 2, 74) (dual of [(110, 2), 60, 75]-NRT-code)	[i]		OOA Folding
6	Linear OOA(4¹⁶⁰, 73, F₄, 3, 74) (dual of [(73, 3), 59, 75]-NRT-code)	[i]		OOA Folding