Data:L9a43/HOMFLYPT Polynomial

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -a^{12} z^{-2} +4 a^{10} z^{-2} +4 a^{10}-6 a^8 z^2-5 a^8 z^{-2} -11 a^8+3 a^6 z^4+8 a^6 z^2+2 a^6 z^{-2} +7 a^6+a^4 z^4+a^4 z^2}