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

Flat knot 6.993

Min(phi) over symmetries of the knot is: [-3,0,0,1,1,1,1,2,1,2,2,0,0,0,0,0,0,1,-1,0,0]
Flat knots (up to 7 crossings) with same phi are :['6.993']
Arrow polynomial of the knot is: -4*K1**2 - 6*K1*K2 + 3*K1 + 2*K2 + 3*K3 + 3
Flat knots (up to 7 crossings) with same arrow polynomial are :['6.586', '6.590', '6.958', '6.987', '6.991', '6.993', '6.999', '6.1054', '6.1065', '6.1096', '6.1168', '6.1182']
Outer characteristic polynomial of the knot is: t^7+40t^5+40t^3+3t
Flat knots (up to 7 crossings) with same outer characteristic polynomial are :['6.993']
2-strand cable arrow polynomial of the knot is: -304*K1**4 + 32*K1**3*K2*K3 - 96*K1**3*K3 - 1200*K1**2*K2**2 - 192*K1**2*K2*K4 + 2136*K1**2*K2 - 96*K1**2*K3**2 - 2120*K1**2 + 96*K1*K2**3*K3 - 320*K1*K2**2*K3 - 96*K1*K2**2*K5 - 32*K1*K2*K3*K4 + 2720*K1*K2*K3 + 600*K1*K3*K4 + 32*K1*K4*K5 - 112*K2**4 - 240*K2**2*K3**2 - 56*K2**2*K4**2 + 464*K2**2*K4 - 1758*K2**2 + 296*K2*K3*K5 + 40*K2*K4*K6 - 16*K3**4 + 32*K3**2*K6 - 1148*K3**2 - 344*K4**2 - 84*K5**2 - 18*K6**2 + 1782
Flat knots (up to 6 crossings) with same 2-strand cable arrow polynomial are :['6.993']
Virtual knots (up to 6 crossings) projecting to this knot are :'vk6.11447', 'vk6.11742', 'vk6.12761', 'vk6.13104', 'vk6.20325', 'vk6.21666', 'vk6.27629', 'vk6.29173', 'vk6.31198', 'vk6.31537', 'vk6.32366', 'vk6.32781', 'vk6.39049', 'vk6.41309', 'vk6.45805', 'vk6.47480', 'vk6.52200', 'vk6.52461', 'vk6.53031', 'vk6.53351', 'vk6.57184', 'vk6.58395', 'vk6.61798', 'vk6.62919', 'vk6.63766', 'vk6.63876', 'vk6.64194', 'vk6.64380', 'vk6.66793', 'vk6.67661', 'vk6.69433', 'vk6.70155', 'vk6.81999', 'vk6.82730', 'vk6.84323', 'vk6.85647', 'vk6.86540', 'vk6.87557', 'vk6.88266', 'vk6.89409']
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 O1O2O3O4U1U5O6U3O5U4U6U2
R3 orbit {'O1O2O3O4U1U5U2O6O5U4U3U6', 'O1O2O3O4U1U5O6U3O5U4U6U2'}
R3 orbit length 2
Gauss code of -K O1O2O3O4U3U5U1O6U2O5U6U4
Gauss code of K* O1O2O3U4U3U5U1O4O6U2O5U6
Gauss code of -K* O1O2O3U4O5U2O4O6U3U5U1U6
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 1 0 1 0 1],[ 3 0 3 1 2 2 2],[-1 -3 0 -1 0 -1 1],[ 0 -1 1 0 0 0 1],[-1 -2 0 0 0 -1 0],[ 0 -2 1 0 1 0 1],[-1 -2 -1 -1 0 -1 0]]
Primitive based matrix [[ 0 1 1 1 0 0 -3],[-1 0 1 0 -1 -1 -3],[-1 -1 0 0 -1 -1 -2],[-1 0 0 0 0 -1 -2],[ 0 1 1 0 0 0 -1],[ 0 1 1 1 0 0 -2],[ 3 3 2 2 1 2 0]]
If based matrix primitive True
Phi of primitive based matrix [-1,-1,-1,0,0,3,-1,0,1,1,3,0,1,1,2,0,1,2,0,1,2]
Phi over symmetry [-3,0,0,1,1,1,1,2,1,2,2,0,0,0,0,0,0,1,-1,0,0]
Phi of -K [-3,0,0,1,1,1,1,2,1,2,2,0,0,0,0,0,0,1,-1,0,0]
Phi of K* [-1,-1,-1,0,0,3,-1,0,0,0,2,0,0,0,1,0,1,2,0,1,2]
Phi of -K* [-3,0,0,1,1,1,1,2,2,2,3,0,0,1,1,1,1,1,0,0,-1]
Symmetry type of based matrix c
u-polynomial t^3-3t
Normalized Jones-Krushkal polynomial 3z^2+16z+21
Enhanced Jones-Krushkal polynomial 3w^3z^2+16w^2z+21w
Inner characteristic polynomial t^6+28t^4+20t^2
Outer characteristic polynomial t^7+40t^5+40t^3+3t
Flat arrow polynomial -4*K1**2 - 6*K1*K2 + 3*K1 + 2*K2 + 3*K3 + 3
2-strand cable arrow polynomial -304*K1**4 + 32*K1**3*K2*K3 - 96*K1**3*K3 - 1200*K1**2*K2**2 - 192*K1**2*K2*K4 + 2136*K1**2*K2 - 96*K1**2*K3**2 - 2120*K1**2 + 96*K1*K2**3*K3 - 320*K1*K2**2*K3 - 96*K1*K2**2*K5 - 32*K1*K2*K3*K4 + 2720*K1*K2*K3 + 600*K1*K3*K4 + 32*K1*K4*K5 - 112*K2**4 - 240*K2**2*K3**2 - 56*K2**2*K4**2 + 464*K2**2*K4 - 1758*K2**2 + 296*K2*K3*K5 + 40*K2*K4*K6 - 16*K3**4 + 32*K3**2*K6 - 1148*K3**2 - 344*K4**2 - 84*K5**2 - 18*K6**2 + 1782
Genus of based matrix 2
Fillings of based matrix [[{1, 6}, {2, 5}, {3, 4}], [{1, 6}, {2, 5}, {4}, {3}], [{1, 6}, {3, 5}, {2, 4}], [{1, 6}, {3, 5}, {4}, {2}], [{1, 6}, {4, 5}, {2, 3}], [{1, 6}, {4, 5}, {3}, {2}], [{1, 6}, {5}, {2, 4}, {3}], [{1, 6}, {5}, {3, 4}, {2}], [{1, 6}, {5}, {4}, {2, 3}], [{2, 6}, {1, 5}, {3, 4}], [{2, 6}, {1, 5}, {4}, {3}], [{2, 6}, {3, 5}, {1, 4}], [{2, 6}, {3, 5}, {4}, {1}], [{2, 6}, {4, 5}, {1, 3}], [{2, 6}, {4, 5}, {3}, {1}], [{2, 6}, {5}, {1, 4}, {3}], [{2, 6}, {5}, {3, 4}, {1}], [{2, 6}, {5}, {4}, {1, 3}], [{3, 6}, {1, 5}, {2, 4}], [{3, 6}, {1, 5}, {4}, {2}], [{3, 6}, {2, 5}, {1, 4}], [{3, 6}, {2, 5}, {4}, {1}], [{3, 6}, {4, 5}, {1, 2}], [{3, 6}, {4, 5}, {2}, {1}], [{3, 6}, {5}, {1, 4}, {2}], [{3, 6}, {5}, {2, 4}, {1}], [{3, 6}, {5}, {4}, {1, 2}], [{3, 6}, {5}, {4}, {2}, {1}], [{4, 6}, {1, 5}, {2, 3}], [{4, 6}, {1, 5}, {3}, {2}], [{4, 6}, {2, 5}, {1, 3}], [{4, 6}, {2, 5}, {3}, {1}], [{4, 6}, {3, 5}, {1, 2}], [{4, 6}, {3, 5}, {2}, {1}], [{4, 6}, {5}, {1, 3}, {2}], [{4, 6}, {5}, {2, 3}, {1}], [{4, 6}, {5}, {3}, {1, 2}], [{5, 6}, {1, 4}, {2, 3}], [{5, 6}, {1, 4}, {3}, {2}], [{5, 6}, {2, 4}, {1, 3}], [{5, 6}, {2, 4}, {3}, {1}], [{5, 6}, {3, 4}, {1, 2}], [{5, 6}, {3, 4}, {2}, {1}], [{5, 6}, {4}, {1, 3}, {2}], [{5, 6}, {4}, {2, 3}, {1}], [{5, 6}, {4}, {3}, {1, 2}], [{6}, {1, 5}, {2, 4}, {3}], [{6}, {1, 5}, {3, 4}, {2}], [{6}, {1, 5}, {4}, {2, 3}], [{6}, {1, 5}, {4}, {3}, {2}], [{6}, {2, 5}, {1, 4}, {3}], [{6}, {2, 5}, {3, 4}, {1}], [{6}, {2, 5}, {4}, {1, 3}], [{6}, {3, 5}, {1, 4}, {2}], [{6}, {3, 5}, {2, 4}, {1}], [{6}, {3, 5}, {4}, {1, 2}], [{6}, {4, 5}, {1, 3}, {2}], [{6}, {4, 5}, {2, 3}, {1}], [{6}, {4, 5}, {3}, {1, 2}], [{6}, {4, 5}, {3}, {2}, {1}], [{6}, {5}, {1, 4}, {2, 3}], [{6}, {5}, {1, 4}, {3}, {2}], [{6}, {5}, {2, 4}, {1, 3}], [{6}, {5}, {3, 4}, {1, 2}]]
If K is slice False
Contact