Label Dim. $$A$$ Field CM Traces A-L signs $q$-expansion
$$a_2$$ $$a_3$$ $$a_5$$ $$a_7$$ 7 41
2009.2.a.s $$17$$ $$16.042$$ $$\mathbb{Q}[x]/(x^{17} - \cdots)$$ None $$3$$ $$1$$ $$-1$$ $$0$$ $$+$$ $$-$$ $$q+\beta _{1}q^{2}-\beta _{12}q^{3}+(1+\beta _{2})q^{4}-\beta _{13}q^{5}+\cdots$$
2009.2.a.u $$20$$ $$16.042$$ $$\mathbb{Q}[x]/(x^{20} - \cdots)$$ None $$-2$$ $$8$$ $$8$$ $$0$$ $$+$$ $$-$$ $$q-\beta _{1}q^{2}+\beta _{9}q^{3}+(1+\beta _{2})q^{4}+\beta _{18}q^{5}+\cdots$$