Data:L11a8/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 a^7+3 z^3 a^5+2 z a^5-a^5 z^{-1} -3 z^5 a^3-5 z^3 a^3+3 a^3 z^{-1} +z^7 a+3 z^5 a+4 z^3 a-z a-2 a z^{-1} -z^5 a^{-1} -z^3 a^{-1} }