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Welcome! The Z4 database is still under development!
Unlike other ECC databases, we do not overwrite the old entries with the new "better" ones. Instead we create a new record for each new code. In this manner we provide the user with more information that could be potentially useful. If you have found either a mistake, or a code that is "better" than all the comparable codes we have, please contact one of the editors. In case you would wish to receive editor priviledges yourself, please do not hesitate to contact us.

:::::New::::: Generator matrices for most linear codes are available for download here. Download all as zip(5.03MB) or tarball(2.81MB) :::::New:::::
Search for a code characteristic, contributor, etc (Ex. cyclic, Aydin)
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Use the table filters to refine the search results even further. Setting the 'Linear' filter to 'Yes' will discard all non-linear codes.
Similar logic applies to the other available filters. Please contact us if you have any questions.
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Total Items: 18699
N
K 1
K 2
Size (|C|)
Lee Weight
Eucidean Weight
 Hamming Weight
Linear
 
Date Added
Select 
1 1 0 4 1  Yes  10/16/2007  
1 1 0 4 1  Yes  10/15/2007  
1 1 0 4 1  Yes  10/15/2007  
2 1 0 4 2  No  10/16/2007  
2 1 0 4 2  Yes  10/15/2007  
2 1 0 4 2  Yes  10/15/2007  
2 2 0 16 1  No  10/16/2007  
2 2 0 16 1  Yes  10/15/2007  
2 2 0 16 1  Yes  10/15/2007  
3 1 0 4 4  No  10/16/2007