Label Dim. $$A$$ Field CM Traces A-L signs $q$-expansion
$$a_2$$ $$a_3$$ $$a_5$$ $$a_7$$ 2 11 13
572.2.a.a $$1$$ $$4.567$$ $$\Q$$ None $$0$$ $$1$$ $$3$$ $$2$$ $$-$$ $$-$$ $$-$$ $$q+q^{3}+3q^{5}+2q^{7}-2q^{9}+q^{11}+\cdots$$
572.2.a.c $$2$$ $$4.567$$ $$\Q(\sqrt{21})$$ None $$0$$ $$1$$ $$-4$$ $$3$$ $$-$$ $$-$$ $$-$$ $$q+\beta q^{3}-2q^{5}+(1+\beta )q^{7}+(2+\beta )q^{9}+\cdots$$