Data:L11a514/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^6 z^2+a^6-2 a^4 z^4-3 a^4 z^2+a^4 z^{-2} +a^4+a^2 z^6+a^2 z^4-z^4 a^{-2} -4 a^2 z^2-2 a^2 z^{-2} -2 z^2 a^{-2} -6 a^2+z^6+3 z^4+4 z^2+ z^{-2} +4}