Data:K11a162/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^2 z^8+2 a^4 z^6-4 a^2 z^6+z^6-a^6 z^4+6 a^4 z^4-5 a^2 z^4+2 z^4-2 a^6 z^2+5 a^4 z^2-a^2 z^2-a^6+a^4+a^2}