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Flat knot 6.921

Min(phi) over symmetries of the knot is: [-3,-1,0,1,1,2,0,2,2,3,2,1,1,1,1,1,0,1,-1,0,2]
Flat knots (up to 7 crossings) with same phi are :['6.921']
Arrow polynomial of the knot is: -2*K1**2 - 2*K1*K2 + K1 + K2 + K3 + 2
Flat knots (up to 7 crossings) with same arrow polynomial are :['6.217', '6.219', '6.304', '6.349', '6.390', '6.400', '6.416', '6.515', '6.518', '6.530', '6.582', '6.616', '6.629', '6.641', '6.645', '6.702', '6.710', '6.715', '6.729', '6.733', '6.734', '6.802', '6.840', '6.845', '6.854', '6.860', '6.900', '6.905', '6.921', '6.924', '6.979', '6.980', '6.996', '6.1044', '6.1067', '6.1086', '6.1100', '6.1139', '6.1145', '6.1149', '6.1167', '6.1169', '6.1183', '6.1314']
Outer characteristic polynomial of the knot is: t^7+48t^5+41t^3
Flat knots (up to 7 crossings) with same outer characteristic polynomial are :['6.921']
2-strand cable arrow polynomial of the knot is: -64*K1**6 + 64*K1**4*K2 - 416*K1**4 - 192*K1**2*K2**2 + 520*K1**2*K2 - 160*K1**2*K3**2 - 48*K1**2*K4**2 - 208*K1**2 + 432*K1*K2*K3 + 248*K1*K3*K4 + 40*K1*K4*K5 - 8*K2**4 - 16*K2**2*K3**2 - 8*K2**2*K4**2 + 32*K2**2*K4 - 270*K2**2 + 24*K2*K3*K5 + 8*K2*K4*K6 - 208*K3**2 - 94*K4**2 - 16*K5**2 - 2*K6**2 + 340
Flat knots (up to 6 crossings) with same 2-strand cable arrow polynomial are :['6.921']
Virtual knots (up to 6 crossings) projecting to this knot are :'vk6.13872', 'vk6.13874', 'vk6.13967', 'vk6.13969', 'vk6.14348', 'vk6.14349', 'vk6.14945', 'vk6.14947', 'vk6.15580', 'vk6.15581', 'vk6.16051', 'vk6.16052', 'vk6.16292', 'vk6.16300', 'vk6.16315', 'vk6.16323', 'vk6.17434', 'vk6.17438', 'vk6.22607', 'vk6.22615', 'vk6.22638', 'vk6.22646', 'vk6.23946', 'vk6.23950', 'vk6.33691', 'vk6.33693', 'vk6.34140', 'vk6.34141', 'vk6.34728', 'vk6.34736', 'vk6.36213', 'vk6.36215', 'vk6.36242', 'vk6.36246', 'vk6.38068', 'vk6.38069', 'vk6.44550', 'vk6.44551', 'vk6.53850', 'vk6.53852', 'vk6.54389', 'vk6.54391', 'vk6.55576', 'vk6.55579', 'vk6.56533', 'vk6.56534', 'vk6.59057', 'vk6.59065']
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 O1O2O3O4U3U5O6O5U1U4U2U6
R3 orbit {'O1O2O3U2O4U5O6O5U1U3U4U6', 'O1O2O3U2U4O5O4O6U1U3U6U5', 'O1O2O3O4U3U5O6O5U1U4U2U6'}
R3 orbit length 3
Gauss code of -K O1O2O3O4U5U3U1U4O6O5U6U2
Gauss code of K* O1O2O3O4U1U3U5U2O5O6U4U6
Gauss code of -K* O1O2O3O4U5U1O5O6U3U6U2U4
Diagrammatic symmetry type c
Flat genus of the diagram 2
If K is checkerboard colorable False
If K is almost classical False
Based matrix from Gauss code [[ 0 -3 0 -1 1 1 2],[ 3 0 2 0 2 3 2],[ 0 -2 0 -1 1 0 1],[ 1 0 1 0 1 1 1],[-1 -2 -1 -1 0 -1 0],[-1 -3 0 -1 1 0 2],[-2 -2 -1 -1 0 -2 0]]
Primitive based matrix [[ 0 2 1 1 0 -1 -3],[-2 0 0 -2 -1 -1 -2],[-1 0 0 -1 -1 -1 -2],[-1 2 1 0 0 -1 -3],[ 0 1 1 0 0 -1 -2],[ 1 1 1 1 1 0 0],[ 3 2 2 3 2 0 0]]
If based matrix primitive True
Phi of primitive based matrix [-2,-1,-1,0,1,3,0,2,1,1,2,1,1,1,2,0,1,3,1,2,0]
Phi over symmetry [-3,-1,0,1,1,2,0,2,2,3,2,1,1,1,1,1,0,1,-1,0,2]
Phi of -K [-3,-1,0,1,1,2,2,1,1,2,3,0,1,1,2,1,0,1,-1,-1,1]
Phi of K* [-2,-1,-1,0,1,3,-1,1,1,2,3,1,1,1,1,0,1,2,0,1,2]
Phi of -K* [-3,-1,0,1,1,2,0,2,2,3,2,1,1,1,1,1,0,1,-1,0,2]
Symmetry type of based matrix c
u-polynomial t^3-t^2-t
Normalized Jones-Krushkal polynomial 7z+15
Enhanced Jones-Krushkal polynomial 7w^2z+15w
Inner characteristic polynomial t^6+32t^4+12t^2
Outer characteristic polynomial t^7+48t^5+41t^3
Flat arrow polynomial -2*K1**2 - 2*K1*K2 + K1 + K2 + K3 + 2
2-strand cable arrow polynomial -64*K1**6 + 64*K1**4*K2 - 416*K1**4 - 192*K1**2*K2**2 + 520*K1**2*K2 - 160*K1**2*K3**2 - 48*K1**2*K4**2 - 208*K1**2 + 432*K1*K2*K3 + 248*K1*K3*K4 + 40*K1*K4*K5 - 8*K2**4 - 16*K2**2*K3**2 - 8*K2**2*K4**2 + 32*K2**2*K4 - 270*K2**2 + 24*K2*K3*K5 + 8*K2*K4*K6 - 208*K3**2 - 94*K4**2 - 16*K5**2 - 2*K6**2 + 340
Genus of based matrix 1
Fillings of based matrix [[{1, 6}, {4, 5}, {2, 3}], [{3, 6}, {2, 5}, {1, 4}], [{6}, {4, 5}, {2, 3}, {1}]]
If K is slice False
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