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Flat knot 6.1521

Min(phi) over symmetries of the knot is: [-2,-1,0,1,1,1,0,2,1,1,2,1,1,1,1,1,1,0,0,-1,-1]
Flat knots (up to 7 crossings) with same phi are :['6.1521']
Arrow polynomial of the knot is: -2*K1**2 + K2 + 2
Flat knots (up to 7 crossings) with same arrow polynomial are :['4.6', '4.8', '6.780', '6.804', '6.914', '6.931', '6.946', '6.960', '6.1002', '6.1016', '6.1019', '6.1051', '6.1058', '6.1078', '6.1102', '6.1115', '6.1217', '6.1294', '6.1306', '6.1317', '6.1321', '6.1324', '6.1336', '6.1377', '6.1416', '6.1420', '6.1427', '6.1429', '6.1434', '6.1436', '6.1437', '6.1439', '6.1441', '6.1444', '6.1450', '6.1451', '6.1458', '6.1459', '6.1477', '6.1482', '6.1490', '6.1503', '6.1504', '6.1511', '6.1521', '6.1547', '6.1560', '6.1561', '6.1562', '6.1597', '6.1598', '6.1600', '6.1601', '6.1608', '6.1620', '6.1622', '6.1624', '6.1634', '6.1635', '6.1637', '6.1638', '6.1713', '6.1725', '6.1758', '6.1846', '6.1933', '6.1944', '6.1949', '6.1950', '6.1951']
Outer characteristic polynomial of the knot is: t^7+26t^5+17t^3+2t
Flat knots (up to 7 crossings) with same outer characteristic polynomial are :['6.1521']
2-strand cable arrow polynomial of the knot is: 1312*K1**4*K2 - 6880*K1**4 - 640*K1**3*K3 - 2608*K1**2*K2**2 + 7272*K1**2*K2 - 28*K1**2 + 1848*K1*K2*K3 - 72*K2**4 + 40*K2**2*K4 - 1680*K2**2 - 276*K3**2 - 2*K4**2 + 1712
Flat knots (up to 6 crossings) with same 2-strand cable arrow polynomial are :['6.1521']
Virtual knots (up to 6 crossings) projecting to this knot are :'vk6.13904', 'vk6.13999', 'vk6.14174', 'vk6.14415', 'vk6.14979', 'vk6.15100', 'vk6.15642', 'vk6.16098', 'vk6.16719', 'vk6.16748', 'vk6.16850', 'vk6.18807', 'vk6.19273', 'vk6.19567', 'vk6.23161', 'vk6.23235', 'vk6.25405', 'vk6.26462', 'vk6.33723', 'vk6.33798', 'vk6.34281', 'vk6.35151', 'vk6.37526', 'vk6.42746', 'vk6.44676', 'vk6.54113', 'vk6.54924', 'vk6.54951', 'vk6.56409', 'vk6.56610', 'vk6.59352', 'vk6.64591']
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 O1O2O3U2O4U5U1O5O6U3U6U4
R3 orbit {'O1O2O3U2O4U5U1O5O6U3U6U4'}
R3 orbit length 1
Gauss code of -K O1O2O3U4U5U1O5O6U3U6O4U2
Gauss code of K* O1O2O3U4U5U1O5U3O6O4U6U2
Gauss code of -K* O1O2O3U2U4O5O4U1O6U3U6U5
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 -1 -1 0 2 -1 1],[ 1 0 0 1 1 1 1],[ 1 0 0 1 1 1 1],[ 0 -1 -1 0 2 0 1],[-2 -1 -1 -2 0 -2 0],[ 1 -1 -1 0 2 0 1],[-1 -1 -1 -1 0 -1 0]]
Primitive based matrix [[ 0 2 1 0 -1 -1 -1],[-2 0 0 -2 -1 -1 -2],[-1 0 0 -1 -1 -1 -1],[ 0 2 1 0 -1 -1 0],[ 1 1 1 1 0 0 1],[ 1 1 1 1 0 0 1],[ 1 2 1 0 -1 -1 0]]
If based matrix primitive True
Phi of primitive based matrix [-2,-1,0,1,1,1,0,2,1,1,2,1,1,1,1,1,1,0,0,-1,-1]
Phi over symmetry [-2,-1,0,1,1,1,0,2,1,1,2,1,1,1,1,1,1,0,0,-1,-1]
Phi of -K [-1,-1,-1,0,1,2,-1,0,0,1,2,1,1,1,1,0,1,2,0,0,1]
Phi of K* [-2,-1,0,1,1,1,1,0,1,2,2,0,1,1,1,1,0,0,-1,-1,0]
Phi of -K* [-1,-1,-1,0,1,2,-1,-1,0,1,2,0,1,1,1,1,1,1,1,2,0]
Symmetry type of based matrix c
u-polynomial -t^2+2t
Normalized Jones-Krushkal polynomial 7z^2+28z+29
Enhanced Jones-Krushkal polynomial 7w^3z^2+28w^2z+29w
Inner characteristic polynomial t^6+18t^4+4t^2
Outer characteristic polynomial t^7+26t^5+17t^3+2t
Flat arrow polynomial -2*K1**2 + K2 + 2
2-strand cable arrow polynomial 1312*K1**4*K2 - 6880*K1**4 - 640*K1**3*K3 - 2608*K1**2*K2**2 + 7272*K1**2*K2 - 28*K1**2 + 1848*K1*K2*K3 - 72*K2**4 + 40*K2**2*K4 - 1680*K2**2 - 276*K3**2 - 2*K4**2 + 1712
Genus of based matrix 1
Fillings of based matrix [[{1, 6}, {2, 5}, {3, 4}], [{1, 6}, {3, 5}, {2, 4}], [{1, 6}, {4, 5}, {2, 3}], [{2, 6}, {1, 5}, {3, 4}], [{2, 6}, {3, 5}, {1, 4}], [{2, 6}, {4, 5}, {1, 3}]]
If K is slice False
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