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Ternary Golay code information


Perfect ternary Golay code
Named afterMarcel J. E. Golay
Classification
TypeLinear block code
Block length11
Message length6
Rate6/11 ~ 0.545
Distance5
Alphabet size3
Notation-code
Extended ternary Golay code
Named afterMarcel J. E. Golay
Classification
TypeLinear block code
Block length12
Message length6
Rate6/12 = 0.5
Distance6
Alphabet size3
Notation-code

In coding theory, the ternary Golay codes are two closely related error-correcting codes. The code generally known simply as the ternary Golay code is an -code, that is, it is a linear code over a ternary alphabet; the relative distance of the code is as large as it possibly can be for a ternary code, and hence, the ternary Golay code is a perfect code. The extended ternary Golay code is a [12, 6, 6] linear code obtained by adding a zero-sum check digit to the [11, 6, 5] code. In finite group theory, the extended ternary Golay code is sometimes referred to as the ternary Golay code.[citation needed]

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Mathieu group M12

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cover 2.M12 is the automorphism group of the extended ternary Golay code, a dimension 6 length 12 code over the field of order 3 of minimum weight 6. In particular...

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Conway group Co1

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22+12:(A8 × S3) 24+12.(S3 × 3.S6) 32.U4(3).D8 36:2.M12 (holomorph of ternary Golay code) (A5 × J2):2 in Suzuki chain 31+4:2.PSp4(3).2 (A6 × U3(3)).2 in Suzuki...

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5

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