Data:L8a12/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^9 z^3+3 a^9 z+a^9 z^{-1} -a^7 z^5-4 a^7 z^3-4 a^7 z-a^7 z^{-1} -a^5 z^5-4 a^5 z^3-3 a^5 z}