Label Dim. $$A$$ Field CM Traces A-L signs $q$-expansion
$$a_2$$ $$a_3$$ $$a_5$$ $$a_7$$ 2 3 11 13
6864.2.a.ca $$4$$ $$54.809$$ 4.4.70164.1 None $$0$$ $$4$$ $$1$$ $$1$$ $$+$$ $$-$$ $$+$$ $$+$$ $$q+q^{3}+\beta _{1}q^{5}+(1+\beta _{2}-\beta _{3})q^{7}+q^{9}+\cdots$$
6864.2.a.cc $$4$$ $$54.809$$ 4.4.23252.1 None $$0$$ $$4$$ $$4$$ $$-2$$ $$+$$ $$-$$ $$+$$ $$+$$ $$q+q^{3}+(1+\beta _{2})q^{5}-\beta _{1}q^{7}+q^{9}-q^{11}+\cdots$$