Data:L11a524/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^{-4} +2 z^2 a^{-4} + a^{-4} z^{-2} + a^{-4} -a^2 z^6-2 z^6 a^{-2} -2 a^2 z^4-6 z^4 a^{-2} -5 z^2 a^{-2} -2 a^{-2} z^{-2} +a^2-2 a^{-2} +z^8+4 z^6+5 z^4+z^2+ z^{-2} }