a 4 z 12 − a 6 z 10 + 11 a 4 z 10 − a 2 z 10 − 9 a 6 z 8 + 48 a 4 z 8 − 9 a 2 z 8 − 30 a 6 z 6 + 106 a 4 z 6 − 30 a 2 z 6 − 46 a 6 z 4 + 125 a 4 z 4 − 46 a 2 z 4 − 33 a 6 z 2 + 76 a 4 z 2 − 32 a 2 z 2 − 10 a 6 + 19 a 4 − 8 a 2 {\displaystyle a^{4}z^{12}-a^{6}z^{10}+11a^{4}z^{10}-a^{2}z^{10}-9a^{6}z^{8}+48a^{4}z^{8}-9a^{2}z^{8}-30a^{6}z^{6}+106a^{4}z^{6}-30a^{2}z^{6}-46a^{6}z^{4}+125a^{4}z^{4}-46a^{2}z^{4}-33a^{6}z^{2}+76a^{4}z^{2}-32a^{2}z^{2}-10a^{6}+19a^{4}-8a^{2}}
