n=9

Generating knot: 2 1 3 1 2         (917)

Family: (2l) 1 (2k+1) 1 (2l), k ³ l

Alexander polynomial: l2 - (3l2 + 2l)t + åi=1k+1(4l2+ 4l + 1)(-t)i + 1]
Projections: 2k+1
Unknotting number: k for k ³ 2l ; k+1 otherwise.
Signature: 2k
Period: 2

 

Please respect the condition k ³ l

 

k=     l=


 

 

 

Conway symbol:
 
 
 
Knot
 
Alexander polynomial:
Projections:
Unknotting number:
Signature:
Period:
 
2

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