a 11 z 5 − 2 a 11 z 3 + a 11 z + 3 a 10 z 6 − 6 a 10 z 4 + 5 a 10 z 2 − 2 a 10 + 4 a 9 z 7 − 3 a 9 z 5 − 2 a 9 z 3 + a 9 z + a 9 z − 1 + 4 a 8 z 8 + 3 a 8 z 6 − 18 a 8 z 4 + 22 a 8 z 2 − 9 a 8 + 3 a 7 z 9 + 6 a 7 z 7 − 17 a 7 z 5 + 16 a 7 z 3 − 9 a 7 z + 5 a 7 z − 1 + a 6 z 10 + 10 a 6 z 8 − 13 a 6 z 6 − 12 a 6 z 4 + 29 a 6 z 2 − 14 a 6 + 7 a 5 z 9 − 27 a 5 z 5 + 33 a 5 z 3 − 21 a 5 z + 8 a 5 z − 1 + a 4 z 10 + 12 a 4 z 8 − 26 a 4 z 6 + 5 a 4 z 4 + 13 a 4 z 2 − 8 a 4 + 4 a 3 z 9 + 2 a 3 z 7 − 24 a 3 z 5 + 25 a 3 z 3 − 14 a 3 z + 4 a 3 z − 1 + 6 a 2 z 8 − 12 a 2 z 6 + 3 a 2 z 4 + 2 a 2 z 2 + 4 a z 7 − 10 a z 5 + 8 a z 3 − 2 a z + z 6 − 2 z 4 + z 2 {\displaystyle a^{11}z^{5}-2a^{11}z^{3}+a^{11}z+3a^{10}z^{6}-6a^{10}z^{4}+5a^{10}z^{2}-2a^{10}+4a^{9}z^{7}-3a^{9}z^{5}-2a^{9}z^{3}+a^{9}z+a^{9}z^{-1}+4a^{8}z^{8}+3a^{8}z^{6}-18a^{8}z^{4}+22a^{8}z^{2}-9a^{8}+3a^{7}z^{9}+6a^{7}z^{7}-17a^{7}z^{5}+16a^{7}z^{3}-9a^{7}z+5a^{7}z^{-1}+a^{6}z^{10}+10a^{6}z^{8}-13a^{6}z^{6}-12a^{6}z^{4}+29a^{6}z^{2}-14a^{6}+7a^{5}z^{9}-27a^{5}z^{5}+33a^{5}z^{3}-21a^{5}z+8a^{5}z^{-1}+a^{4}z^{10}+12a^{4}z^{8}-26a^{4}z^{6}+5a^{4}z^{4}+13a^{4}z^{2}-8a^{4}+4a^{3}z^{9}+2a^{3}z^{7}-24a^{3}z^{5}+25a^{3}z^{3}-14a^{3}z+4a^{3}z^{-1}+6a^{2}z^{8}-12a^{2}z^{6}+3a^{2}z^{4}+2a^{2}z^{2}+4az^{7}-10az^{5}+8az^{3}-2az+z^{6}-2z^{4}+z^{2}}
