Data:L11a523/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^4 z^4+3 a^4 z^2+a^4 z^{-2} +3 a^4-2 a^2 z^6-z^6 a^{-2} -8 a^2 z^4-3 z^4 a^{-2} -11 a^2 z^2-2 z^2 a^{-2} -2 a^2 z^{-2} -6 a^2+ a^{-2} +z^8+5 z^6+9 z^4+6 z^2+ z^{-2} +2}