Properties

Label 61.a
Number of curves $1$
Conductor $61$
CM no
Rank $1$

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

Elliptic curves in class 61.a

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
61.a1 61a1 \([1, 0, 0, -2, 1]\) \(-912673/61\) \(-61\) \([]\) \(2\) \(-0.90546\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curve 61.a1 has rank \(1\).

Complex multiplication

The elliptic curves in class 61.a do not have complex multiplication.

Modular form 61.2.a.a

sage: E.q_eigenform(10)
 
\(q - q^{2} - 2 q^{3} - q^{4} - 3 q^{5} + 2 q^{6} + q^{7} + 3 q^{8} + q^{9} + 3 q^{10} - 5 q^{11} + 2 q^{12} + q^{13} - q^{14} + 6 q^{15} - q^{16} + 4 q^{17} - q^{18} - 4 q^{19} + O(q^{20})\) Copy content Toggle raw display