7 Plagues Knot

Table of Contents

# Names and notations

## Rolfsen notation

**7 _{6}**

## Dowker-Thistlethwaite notation

10 6 14 12 2 8 4

## Conway notation

2212

# Knot properties

## Alternating knot

Yes

## Tricolorable

No

## Amphicheiral

No

# Numerical knot invariants

## Unknotting number

1

## Bridge number

2

## Signed Planar Graph

## Crossing number

7

## Genus

1

# Knot polynomials

## Jones polynomial

q^{-2}+3q^{-1}-3q^{-2}+4q^{-3}-3q^{-4}+2q^{-5}-q^{-6}

## Alexander polynomial

-t^{2}+5t-7+5r-r^{2}

## HOMFLY polynomial

-z^{2}a^{8}-a^{8}+z^{4}a^{6}+2z^{2}a^{6}+z^{4}a^{4}+3z^{2}a^{4}+2a

page revision: 150, last edited: 05 May 2009 17:29