Label Dim. $$A$$ Field CM Traces A-L signs $q$-expansion
$$a_2$$ $$a_3$$ $$a_5$$ $$a_7$$ 7 19
931.2.a.c $$1$$ $$7.434$$ $$\Q$$ None $$2$$ $$2$$ $$3$$ $$0$$ $$+$$ $$-$$ $$q+2q^{2}+2q^{3}+2q^{4}+3q^{5}+4q^{6}+\cdots$$
931.2.a.n $$7$$ $$7.434$$ $$\mathbb{Q}[x]/(x^{7} - \cdots)$$ None $$2$$ $$-2$$ $$-2$$ $$0$$ $$+$$ $$-$$ $$q+\beta _{3}q^{2}-\beta _{2}q^{3}+(1+\beta _{3}-\beta _{5})q^{4}+\cdots$$
931.2.a.q $$10$$ $$7.434$$ $$\mathbb{Q}[x]/(x^{10} - \cdots)$$ None $$-2$$ $$4$$ $$16$$ $$0$$ $$+$$ $$-$$ $$q-\beta _{1}q^{2}+\beta _{4}q^{3}+(1+\beta _{2})q^{4}+(2+\beta _{9})q^{5}+\cdots$$