Table of flat knot invariants
Invariant Table Check a Knot Higher Crossing Crossref Virtual Knots Please cite FlatKnotInfo
Glossary Reference List

Flat knot 6.857

Min(phi) over symmetries of the knot is: [-3,-2,1,1,1,2,-1,3,3,3,2,1,2,3,1,0,0,1,0,1,1]
Flat knots (up to 7 crossings) with same phi are :['6.857']
Arrow polynomial of the knot is: -2*K1*K2 + K1 + K3 + 1
Flat knots (up to 7 crossings) with same arrow polynomial are :['4.1', '4.3', '6.59', '6.66', '6.112', '6.215', '6.297', '6.306', '6.346', '6.351', '6.352', '6.353', '6.368', '6.393', '6.398', '6.402', '6.420', '6.422', '6.524', '6.529', '6.630', '6.632', '6.633', '6.642', '6.684', '6.707', '6.708', '6.717', '6.719', '6.721', '6.722', '6.737', '6.793', '6.835', '6.837', '6.847', '6.849', '6.857', '6.858', '6.883', '6.902', '6.913', '6.1084', '6.1092', '6.1097', '6.1136', '6.1146', '6.1155', '6.1159', '6.1374', '7.349', '7.365', '7.690', '7.2260', '7.2269', '7.2612', '7.2624', '7.2972', '7.2975', '7.4214', '7.4542', '7.4546', '7.9686', '7.9695', '7.9947', '7.10639', '7.10643', '7.10829', '7.10833', '7.13433', '7.15124', '7.15128', '7.15638', '7.15647', '7.15703', '7.15845', '7.16115', '7.16120', '7.16150', '7.19418', '7.19470', '7.19474', '7.19871', '7.20310', '7.20362', '7.20421', '7.20424', '7.23942', '7.24011', '7.24100', '7.24114', '7.24116', '7.24445', '7.26258', '7.26318', '7.26811', '7.26827', '7.27967', '7.28040', '7.28124', '7.28138', '7.29092', '7.29107', '7.29452', '7.29853', '7.30091', '7.30098', '7.30140', '7.30193', '7.30339', '7.30350', '7.30354']
Outer characteristic polynomial of the knot is: t^7+50t^5+66t^3+6t
Flat knots (up to 7 crossings) with same outer characteristic polynomial are :['6.857']
2-strand cable arrow polynomial of the knot is: 640*K1**4*K2 - 1584*K1**4 - 128*K1**3*K2*K3*K4 + 128*K1**3*K2*K3 + 224*K1**3*K3*K4 - 480*K1**3*K3 + 128*K1**2*K2**2*K4 - 1344*K1**2*K2**2 + 256*K1**2*K2*K3**2 + 352*K1**2*K2*K4**2 - 672*K1**2*K2*K4 + 4088*K1**2*K2 - 816*K1**2*K3**2 - 848*K1**2*K4**2 - 4000*K1**2 + 64*K1*K2**3*K3 + 224*K1*K2**2*K3*K4 - 576*K1*K2**2*K3 - 864*K1*K2*K3*K4 + 4024*K1*K2*K3 - 192*K1*K2*K4*K5 + 2824*K1*K3*K4 + 832*K1*K4*K5 - 32*K2**4 - 320*K2**2*K3**2 - 392*K2**2*K4**2 + 1176*K2**2*K4 - 3118*K2**2 + 384*K2*K3*K5 + 184*K2*K4*K6 - 2116*K3**2 - 1416*K4**2 - 228*K5**2 - 10*K6**2 + 3606
Flat knots (up to 6 crossings) with same 2-strand cable arrow polynomial are :['6.857']
Virtual knots (up to 6 crossings) projecting to this knot are :'vk6.10142', 'vk6.10205', 'vk6.10350', 'vk6.10431', 'vk6.16697', 'vk6.19079', 'vk6.19125', 'vk6.19248', 'vk6.19542', 'vk6.23014', 'vk6.23133', 'vk6.25704', 'vk6.25751', 'vk6.26062', 'vk6.26439', 'vk6.29925', 'vk6.29978', 'vk6.30084', 'vk6.34997', 'vk6.35124', 'vk6.37808', 'vk6.37867', 'vk6.42569', 'vk6.44659', 'vk6.51626', 'vk6.51733', 'vk6.54909', 'vk6.56587', 'vk6.59336', 'vk6.64873', 'vk6.66196', 'vk6.66224']
The R3 orbit of minmal crossing diagrams contains:
The diagrammatic symmetry type of this knot is c.
The reverse -K is
The mirror image K* is
The reversed mirror image -K* is
The fillings (up to the first 10) associated to the algebraic genus:
Or click here to check the fillings

invariant value
Gauss code O1O2O3O4U1U4O5O6U2U6U5U3
R3 orbit {'O1O2O3O4U1U4O5O6U2U6U5U3'}
R3 orbit length 1
Gauss code of -K O1O2O3O4U2U5U6U3O6O5U1U4
Gauss code of K* O1O2O3O4U5U1U4U6O5O6U3U2
Gauss code of -K* O1O2O3O4U3U2O5O6U5U1U4U6
Diagrammatic symmetry type c
Flat genus of the diagram 3
If K is checkerboard colorable False
If K is almost classical False
Based matrix from Gauss code [[ 0 -3 -2 2 1 1 1],[ 3 0 2 3 1 1 1],[ 2 -2 0 3 0 2 1],[-2 -3 -3 0 0 0 0],[-1 -1 0 0 0 0 0],[-1 -1 -2 0 0 0 0],[-1 -1 -1 0 0 0 0]]
Primitive based matrix [[ 0 2 1 1 1 -2 -3],[-2 0 0 0 0 -3 -3],[-1 0 0 0 0 0 -1],[-1 0 0 0 0 -1 -1],[-1 0 0 0 0 -2 -1],[ 2 3 0 1 2 0 -2],[ 3 3 1 1 1 2 0]]
If based matrix primitive True
Phi of primitive based matrix [-2,-1,-1,-1,2,3,0,0,0,3,3,0,0,0,1,0,1,1,2,1,2]
Phi over symmetry [-3,-2,1,1,1,2,-1,3,3,3,2,1,2,3,1,0,0,1,0,1,1]
Phi of -K [-3,-2,1,1,1,2,-1,3,3,3,2,1,2,3,1,0,0,1,0,1,1]
Phi of K* [-2,-1,-1,-1,2,3,1,1,1,1,2,0,0,1,3,0,2,3,3,3,-1]
Phi of -K* [-3,-2,1,1,1,2,2,1,1,1,3,0,1,2,3,0,0,0,0,0,0]
Symmetry type of based matrix c
u-polynomial t^3-3t
Normalized Jones-Krushkal polynomial 7z^2+28z+29
Enhanced Jones-Krushkal polynomial 7w^3z^2+28w^2z+29w
Inner characteristic polynomial t^6+30t^4+24t^2
Outer characteristic polynomial t^7+50t^5+66t^3+6t
Flat arrow polynomial -2*K1*K2 + K1 + K3 + 1
2-strand cable arrow polynomial 640*K1**4*K2 - 1584*K1**4 - 128*K1**3*K2*K3*K4 + 128*K1**3*K2*K3 + 224*K1**3*K3*K4 - 480*K1**3*K3 + 128*K1**2*K2**2*K4 - 1344*K1**2*K2**2 + 256*K1**2*K2*K3**2 + 352*K1**2*K2*K4**2 - 672*K1**2*K2*K4 + 4088*K1**2*K2 - 816*K1**2*K3**2 - 848*K1**2*K4**2 - 4000*K1**2 + 64*K1*K2**3*K3 + 224*K1*K2**2*K3*K4 - 576*K1*K2**2*K3 - 864*K1*K2*K3*K4 + 4024*K1*K2*K3 - 192*K1*K2*K4*K5 + 2824*K1*K3*K4 + 832*K1*K4*K5 - 32*K2**4 - 320*K2**2*K3**2 - 392*K2**2*K4**2 + 1176*K2**2*K4 - 3118*K2**2 + 384*K2*K3*K5 + 184*K2*K4*K6 - 2116*K3**2 - 1416*K4**2 - 228*K5**2 - 10*K6**2 + 3606
Genus of based matrix 1
Fillings of based matrix [[{1, 6}, {3, 5}, {2, 4}], [{2, 6}, {4, 5}, {1, 3}], [{6}, {4, 5}, {1, 3}, {2}]]
If K is slice False
Contact