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Flat knot 5.21

Min(phi) over symmetries of the knot is: [-2,-1,0,1,2,-1,1,1,2,1,1,1,1,1,-1]
Flat knots (up to 7 crossings) with same phi are :['5.21', '6.969']
Arrow polynomial of the knot is: -8*K1**3 + 4*K1*K2 + 4*K1 + 1
Flat knots (up to 7 crossings) with same arrow polynomial are :['5.21', '5.90', '7.937', '7.5242', '7.10240', '7.10424', '7.15087', '7.16065', '7.16077', '7.16901', '7.19762', '7.19809', '7.20215', '7.20449', '7.23707', '7.24161', '7.24266', '7.24299', '7.26838', '7.29479', '7.29748', '7.29900', '7.29919', '7.30141', '7.30206', '7.30880', '7.31311', '7.31314', '7.32243', '7.32509', '7.32630', '7.32734', '7.34203', '7.34609', '7.37116', '7.37160', '7.37163', '7.37185', '7.37341', '7.37355', '7.39826', '7.40185', '7.40486', '7.41105', '7.41195', '7.41237', '7.41713', '7.41753', '7.41777', '7.43960']
Outer characteristic polynomial of the knot is: t^6+33t^4+26t^2
Flat knots (up to 7 crossings) with same outer characteristic polynomial are :['5.21']
2-strand cable arrow polynomial of the knot is: -896*K1**2*K2**4 + 640*K1**2*K2**3 - 800*K1**2*K2**2 + 480*K1**2*K2 - 224*K1**2 + 512*K1*K2**3*K3 + 352*K1*K2*K3 - 704*K2**6 + 384*K2**4*K4 - 256*K2**4 - 32*K2**2*K3**2 - 16*K2**2*K4**2 + 256*K2**2*K4 + 208*K2**2 - 32*K3**2 - 16*K4**2 + 142
Flat knots (up to 6 crossings) with same 2-strand cable arrow polynomial are :['5.21']
Virtual knots (up to 6 crossings) projecting to this knot are :'vk5.16', 'vk5.25', 'vk5.61', 'vk5.73', 'vk5.95', 'vk5.116', 'vk5.662', 'vk5.813', 'vk5.1194', 'vk5.1677']
The R3 orbit of minmal crossing diagrams contains:
The diagrammatic symmetry type of this knot is -.
The reverse -K is
The 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 O1O2O3O4O5U3U4U5U1U2
R3 orbit {'O1O2O3O4O5U3U4U5U1U2'}
R3 orbit length 1
Gauss code of -K O1O2O3O4O5U4U5U1U2U3
Gauss code of K* O1O2O3O4O5U4U5U1U2U3
Gauss code of -K* Same
Diagrammatic symmetry type -
Flat genus of the diagram 2
If K is checkerboard colorable False
If K is almost classical False
Based matrix from Gauss code [[ 0 -1 1 -2 0 2],[ 1 0 1 -2 0 2],[-1 -1 0 -2 0 2],[ 2 2 2 0 1 2],[ 0 0 0 -1 0 1],[-2 -2 -2 -2 -1 0]]
Primitive based matrix [[ 0 2 1 0 -1 -2],[-2 0 -2 -1 -2 -2],[-1 2 0 0 -1 -2],[ 0 1 0 0 0 -1],[ 1 2 1 0 0 -2],[ 2 2 2 1 2 0]]
If based matrix primitive True
Phi of primitive based matrix [-2,-1,0,1,2,2,1,2,2,0,1,2,0,1,2]
Phi over symmetry [-2,-1,0,1,2,-1,1,1,2,1,1,1,1,1,-1]
Phi of -K [-2,-1,0,1,2,-1,1,1,2,1,1,1,1,1,-1]
Phi of K* [-2,-1,0,1,2,-1,1,1,2,1,1,1,1,1,-1]
Phi of -K* [-2,-1,0,1,2,2,1,2,2,0,1,2,0,1,2]
Symmetry type of based matrix -
u-polynomial 0
Normalized Jones-Krushkal polynomial -z-1
Enhanced Jones-Krushkal polynomial 8w^3z-9w^2z-w
Inner characteristic polynomial t^5+23t^3+6t
Outer characteristic polynomial t^6+33t^4+26t^2
Flat arrow polynomial -8*K1**3 + 4*K1*K2 + 4*K1 + 1
2-strand cable arrow polynomial -896*K1**2*K2**4 + 640*K1**2*K2**3 - 800*K1**2*K2**2 + 480*K1**2*K2 - 224*K1**2 + 512*K1*K2**3*K3 + 352*K1*K2*K3 - 704*K2**6 + 384*K2**4*K4 - 256*K2**4 - 32*K2**2*K3**2 - 16*K2**2*K4**2 + 256*K2**2*K4 + 208*K2**2 - 32*K3**2 - 16*K4**2 + 142
Genus of based matrix 0
Fillings of based matrix [[{3, 5}, {4}, {1, 2}]]
If K is slice True
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