Properties

Label 655.a
Number of curves $1$
Conductor $655$
CM no
Rank $2$

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Show commands: SageMath
E = EllipticCurve("a1")
 
E.isogeny_class()
 

Elliptic curves in class 655.a

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
655.a1 655a1 \([0, 0, 1, -13, 18]\) \(-242970624/3275\) \(-3275\) \([]\) \(144\) \(-0.51814\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curve 655.a1 has rank \(2\).

Complex multiplication

The elliptic curves in class 655.a do not have complex multiplication.

Modular form 655.2.a.a

sage: E.q_eigenform(10)
 
\(q - 2 q^{2} - 3 q^{3} + 2 q^{4} - q^{5} + 6 q^{6} - 3 q^{7} + 6 q^{9} + 2 q^{10} - 4 q^{11} - 6 q^{12} - 5 q^{13} + 6 q^{14} + 3 q^{15} - 4 q^{16} - 2 q^{17} - 12 q^{18} - 6 q^{19} + O(q^{20})\) Copy content Toggle raw display