9 44

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9 43.gif

9_43

9 45.gif

9_45

Contents

9 44.gif
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Knot presentations

Planar diagram presentation X1425 X5,10,6,11 X3948 X9,3,10,2 X14,8,15,7 X18,15,1,16 X16,11,17,12 X12,17,13,18 X6,14,7,13
Gauss code -1, 4, -3, 1, -2, -9, 5, 3, -4, 2, 7, -8, 9, -5, 6, -7, 8, -6
Dowker-Thistlethwaite code 4 8 10 -14 2 -16 -6 -18 -12
Conway Notation [22,21,2-]


Minimum Braid Representative A Morse Link Presentation An Arc Presentation
BraidPart3.gifBraidPart3.gifBraidPart3.gifBraidPart0.gifBraidPart1.gifBraidPart1.gifBraidPart0.gifBraidPart0.gif
BraidPart4.gifBraidPart4.gifBraidPart4.gifBraidPart3.gifBraidPart2.gifBraidPart2.gifBraidPart3.gifBraidPart0.gif
BraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart4.gifBraidPart1.gifBraidPart0.gifBraidPart4.gifBraidPart1.gif
BraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart0.gifBraidPart2.gifBraidPart0.gifBraidPart0.gifBraidPart2.gif

Length is 9, width is 4,

Braid index is 4

9 44 ML.gif 9 44 AP.gif
[{10, 3}, {1, 7}, {8, 4}, {7, 10}, {6, 9}, {3, 8}, {2, 5}, {4, 6}, {5, 1}, {9, 2}]

[edit Notes on presentations of 9 44]


Three dimensional invariants

Symmetry type Reversible
Unknotting number 1
3-genus 2
Bridge index 3
Super bridge index \{4,5\}
Nakanishi index 1
Maximal Thurston-Bennequin number [-6][-3]
Hyperbolic Volume 7.40677
A-Polynomial See Data:9 44/A-polynomial

[edit Notes for 9 44's three dimensional invariants] 9_44 has girth 4. See arXiv:math.GT/0508590 and a forthcoming paper by the same authors.

Four dimensional invariants

Smooth 4 genus 1
Topological 4 genus 1
Concordance genus 2
Rasmussen s-Invariant 0

[edit Notes for 9 44's four dimensional invariants]

Polynomial invariants

Alexander polynomial t^2-4 t+7-4 t^{-1} + t^{-2}
Conway polynomial z^4+1
2nd Alexander ideal (db, data sources) \{1\}
Determinant and Signature { 17, 0 }
Jones polynomial q^2-2 q+3-3 q^{-1} +3 q^{-2} -2 q^{-3} +2 q^{-4} - q^{-5}
HOMFLY-PT polynomial (db, data sources) -z^2 a^4-a^4+z^4 a^2+3 z^2 a^2+3 a^2-2 z^2-2+ a^{-2}
Kauffman polynomial (db, data sources) a^3 z^7+a z^7+2 a^4 z^6+3 a^2 z^6+z^6+a^5 z^5-2 a^3 z^5-3 a z^5-7 a^4 z^4-10 a^2 z^4-3 z^4-3 a^5 z^3-a^3 z^3+4 a z^3+2 z^3 a^{-1} +5 a^4 z^2+10 a^2 z^2+z^2 a^{-2} +6 z^2+a^5 z+a^3 z-a z-z a^{-1} -a^4-3 a^2- a^{-2} -2
The A2 invariant -q^{16}+2 q^8+q^6+q^4-1- q^{-4} + q^{-6} + q^{-8}
The G2 invariant q^{80}-q^{78}+2 q^{76}-3 q^{74}+q^{72}-4 q^{68}+6 q^{66}-5 q^{64}+3 q^{62}-q^{60}-4 q^{58}+5 q^{56}-4 q^{54}+2 q^{50}-4 q^{48}+4 q^{46}-4 q^{42}+7 q^{40}-5 q^{38}+3 q^{36}-2 q^{32}+6 q^{30}-4 q^{28}+6 q^{26}-2 q^{24}+2 q^{22}+4 q^{20}-4 q^{18}+4 q^{16}-2 q^{14}+q^{12}+3 q^{10}-4 q^8+2 q^6-4 q^2+5-6 q^{-2} +2 q^{-6} -6 q^{-8} +5 q^{-10} -3 q^{-12} + q^{-14} + q^{-16} -3 q^{-18} +2 q^{-20} + q^{-24} + q^{-26} + q^{-32} + q^{-38}