10 125

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10_124

10_126

Contents

Image:10 125.gif
(KnotPlot image)

See the full Rolfsen Knot Table.

Visit 10 125's page at the Knot Server (KnotPlot driven, includes 3D interactive images!)

Visit 10_125's page at Knotilus!

Visit 10 125's page at the original Knot Atlas!

10_125 is also known as the pretzel knot P(5,-3,2).


[edit] Knot presentations

Planar diagram presentation X1425 X3849 X5,14,6,15 X20,16,1,15 X16,10,17,9 X18,12,19,11 X10,18,11,17 X12,20,13,19 X13,6,14,7 X7283
Gauss code -1, 10, -2, 1, -3, 9, -10, 2, 5, -7, 6, -8, -9, 3, 4, -5, 7, -6, 8, -4
Dowker-Thistlethwaite code 4 8 14 2 -16 -18 6 -20 -10 -12
Conway Notation [5,21,2-]


Minimum Braid Representative A Morse Link Presentation An Arc Presentation
Image:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart1.gifImage:BraidPart0.gifImage:BraidPart3.gifImage:BraidPart3.gifImage:BraidPart3.gifImage:BraidPart0.gif
Image:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart2.gifImage:BraidPart3.gifImage:BraidPart4.gifImage:BraidPart4.gifImage:BraidPart4.gifImage:BraidPart3.gif
Image:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart4.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart0.gifImage:BraidPart4.gif

Length is 10, width is 3,

Braid index is 3

Image:10 125_ML.gif Image:10 125_AP.gif
[{12, 2}, {1, 10}, {8, 11}, {10, 12}, {9, 3}, {2, 8}, {7, 1}, {6, 9}, {5, 7}, {4, 6}, {3, 5}, {11, 4}]

[edit Notes on presentations of 10 125]


[edit] Three dimensional invariants

Symmetry type Reversible
Unknotting number 2
3-genus 3
Bridge index 3
Super bridge index Missing
Nakanishi index 1
Maximal Thurston-Bennequin number [-4][-6]
Hyperbolic Volume 4.61196
A-Polynomial See Data:10 125/A-polynomial

[edit Notes for 10 125's three dimensional invariants]

[edit] Four dimensional invariants

Smooth 4 genus 1
Topological 4 genus 1
Concordance genus 3
Rasmussen s-Invariant 2

[edit Notes for 10 125's four dimensional invariants]

[edit] Polynomial invariants

Alexander polynomial t3−2t2 + 2t−1 + 2t−1−2t−2 + t−3
Conway polynomial z6 + 4z4 + 3z2 + 1
2nd Alexander ideal (db, data sources) {1}
Determinant and Signature { 11, 2 }
Jones polynomial q4 + q3q2 + 2q−1 + 2q−1q−2 + q−3q−4
HOMFLY-PT polynomial (db, data sources) z6a2z4z4a−2 + 6z4−4a2z2−4z2a−2 + 11z2−3a2−3a−2 + 7
Kauffman polynomial (db, data sources) a2z8 + z8 + a3z7 + 2az7 + z7a−1−6a2z6−6z6−6a3z5−11az5−5z5a−1 + 11a2z4 + 2z4a−2 + 13z4 + 10a3z3 + 17az3 + 8z3a−1 + z3a−3−8a2z2−6z2a−2 + z2a−4−15z2−4a3z−8az−6za−1za−3 + za−5 + 3a2 + 3a−2 + 7
The A2 invariant q12q10q8 + q4 + 2q2 + 3 + 2q−2 + q−4q−8q−10q−12
The G2 invariant q60 + q56q54q48−2q44q40−2q38q36q34−2q32−2q28q26 + q24q22 + q20 + q16 + 2q14 + q12 + 2q10 + 2q8 + 2q6 + 2q4 + 3q2 + 1 + 2q−2 + 2q−4 + q−6 + 2q−8 + 2q−10 + q−14 + 2q−16q−18 + q−20q−24 + q−26q−28q−30q−34q−36q−38−2q−40q−44q−46q−50q−56 + q−72

[edit] "Similar" Knots (within the Atlas)

Same Alexander/Conway Polynomial: {}

Same Jones Polynomial (up to mirroring, q\leftrightarrow q^{-1}): {}

[edit] Vassiliev invariants

V2 and V3: (3, 0)

[edit] Khovanov Homology

The coefficients of the monomials trqj are shown, along with their alternating sums χ (fixed j, alternation over r). The squares with yellow highlighting are those on the "critical diagonals", where j−2r = s + 1 or j−2r = s−1, where s = 2 is the signature of 10 125. Nonzero entries off the critical diagonals (if any exist) are highlighted in red.   
\ r
  \  
j \
-5-4-3-2-10123χ
9        1-1
7         0
5      11 0
3     1   1
1    12   1
-1   1     1
-3   1     1
-5 11      0
-7         0
-91        -1
Integral Khovanov Homology

(db, data source)

  
\dim{\mathcal G}_{2r+i}\operatorname{KH}^r_{\mathbb Z} i = 1 i = 3
r = −5 {\mathbb Z}
r = −4 {\mathbb Z}_2 {\mathbb Z}
r = −3 {\mathbb Z}
r = −2 {\mathbb Z}\oplus{\mathbb Z}_2 {\mathbb Z}
r = −1 {\mathbb Z}_2 {\mathbb Z}
r = 0 {\mathbb Z}^{2} {\mathbb Z}
r = 1 {\mathbb Z}_2 {\mathbb Z}
r = 2 {\mathbb Z}
r = 3 {\mathbb Z}_2 {\mathbb Z}

[edit] The Coloured Jones Polynomials

[edit] Computer Talk

Much of the above data can be recomputed by Mathematica using the package KnotTheory`. See A Sample KnotTheory` Session, or any of the Computer Talk sections above.

[edit] Modifying This Page

Read me first: Modifying Knot Pages

See/edit the Rolfsen Knot Page master template (intermediate).

See/edit the Rolfsen_Splice_Base (expert).

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10_124

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