extended binary Golay code

E656668

The extended binary Golay code is a famous 24-bit error-correcting code with exceptional symmetry and optimal properties, central to constructions in coding theory and lattice theory such as the Leech lattice.

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extended binary Golay code canonical 1

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Statements (53)

Predicate Object
instanceOf binary linear code
block code
doubly-even code
linear error-correcting code
perfect code
self-dual code
alphabetSize 2
application construction of optimal lattices in 24 dimensions
theoretical benchmark in coding theory
associatedWith Steiner system S(5,8,24) NERFINISHED
automorphismGroup Mathieu group M24 NERFINISHED
automorphismGroupOrder 244823040
codeRate 1/2
correctsUpTo 3 errors per codeword
dimension 12
discoveredBy Marcel J. E. Golay NERFINISHED
dualCode extended binary Golay code
errorCorrectionCapability 3
field binary field F2
hasCodewordsOfWeight 0
12
16
24
8
hasHighlySymmetricStructure true
isDoublyEven true
isExtremal true for doubly-even self-dual binary codes of length 24
isPerfect true
isSelfDual true
length 24
maximumWeight 24
meetsBound Hamming bound with equality
meetsBound sphere-packing bound for t = 3
minimumDistance 8
minimumWeight 8
notation [24,12,8] code
numberOfCodewords 4096
numberOfWeight12Codewords 2576
numberOfWeight16Codewords 759
numberOfWeight24Codewords 1
numberOfWeight8Codewords 759
obtainedFrom binary Golay code [23,12,7] by extension with an overall parity bit
parityOfCodewords all codewords have weight divisible by 4
puncturedVersion binary Golay code [23,12,7]
relatedCode binary Golay code [23,12,7]
shortenedVersion binary Golay code [23,12,7]
supports construction of Steiner system S(5,8,24)
construction of the Leech lattice
usedIn design theory
lattice theory
sphere packing theory
weightEnumerator 1 + 759 x^8 + 2576 x^12 + 759 x^16 + x^24
yearDiscovered 1949

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Leech lattice constructedFrom extended binary Golay code