− 1 q 9 / 2 − 1 q 7 / 2 − q 5 / 2 + 2 q 3 / 2 − 2 q 3 / 2 + 1 q 15 / 2 − 1 q 13 / 2 + 1 q 11 / 2 − 2 q + 2 q {\displaystyle -{\frac {1}{q^{9/2}}}-{\frac {1}{q^{7/2}}}-q^{5/2}+2q^{3/2}-{\frac {2}{q^{3/2}}}+{\frac {1}{q^{15/2}}}-{\frac {1}{q^{13/2}}}+{\frac {1}{q^{11/2}}}-2{\sqrt {q}}+{\frac {2}{\sqrt {q}}}}
