− a 4 z 10 + a 6 z 8 − 8 a 4 z 8 + 2 a 2 z 8 + 6 a 6 z 6 − 24 a 4 z 6 + 14 a 2 z 6 − z 6 + 11 a 6 z 4 − 35 a 4 z 4 + 33 a 2 z 4 − 6 z 4 + 7 a 6 z 2 − 25 a 4 z 2 + 32 a 2 z 2 − 10 z 2 + a 6 − 7 a 4 + 11 a 2 − 4 {\displaystyle -a^{4}z^{10}+a^{6}z^{8}-8a^{4}z^{8}+2a^{2}z^{8}+6a^{6}z^{6}-24a^{4}z^{6}+14a^{2}z^{6}-z^{6}+11a^{6}z^{4}-35a^{4}z^{4}+33a^{2}z^{4}-6z^{4}+7a^{6}z^{2}-25a^{4}z^{2}+32a^{2}z^{2}-10z^{2}+a^{6}-7a^{4}+11a^{2}-4}
