Data:L11a423/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 -z^4 a^{-6} -z^2 a^{-6} - a^{-6} z^{-2} -2 a^{-6} +z^6 a^{-4} +2 z^4 a^{-4} +6 z^2 a^{-4} +4 a^{-4} z^{-2} +9 a^{-4} +z^6 a^{-2} -z^4 a^{-2} +a^2 z^2-8 z^2 a^{-2} -5 a^{-2} z^{-2} +a^2-11 a^{-2} -2 z^4-z^2+2 z^{-2} +3}