Properties

Label 206310.i
Number of curves $2$
Conductor $206310$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("i1")
 
E.isogeny_class()
 

Elliptic curves in class 206310.i

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
206310.i1 206310cr2 \([1, 1, 0, -20087463, -34653632307]\) \(497678055202223/121875000\) \(219515480615803125000\) \([2]\) \(18653184\) \(2.8914\)  
206310.i2 206310cr1 \([1, 1, 0, -1106943, -674705403]\) \(-83281698863/60840000\) \(-109582127923408920000\) \([2]\) \(9326592\) \(2.5448\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 206310.i have rank \(1\).

Complex multiplication

The elliptic curves in class 206310.i do not have complex multiplication.

Modular form 206310.2.a.i

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

Isogeny matrix

sage: E.isogeny_class().matrix()
 

The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the LMFDB numbering.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with LMFDB labels.