Properties

Label 216384ci
Number of curves $2$
Conductor $216384$
CM no
Rank $3$
Graph

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Show commands: SageMath
E = EllipticCurve("ci1")
 
E.isogeny_class()
 

Elliptic curves in class 216384ci

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
216384.a2 216384ci1 \([0, -1, 0, -345, 4761]\) \(-3241792/4761\) \(-6688862208\) \([2]\) \(237568\) \(0.57720\) \(\Gamma_0(N)\)-optimal
216384.a1 216384ci2 \([0, -1, 0, -6785, 217281]\) \(3073924664/1863\) \(20939046912\) \([2]\) \(475136\) \(0.92377\)  

Rank

sage: E.rank()
 

The elliptic curves in class 216384ci have rank \(3\).

Complex multiplication

The elliptic curves in class 216384ci do not have complex multiplication.

Modular form 216384.2.a.ci

sage: E.q_eigenform(10)
 
\(q - q^{3} - 4 q^{5} + q^{9} - 4 q^{11} - 2 q^{13} + 4 q^{15} - 6 q^{17} - 6 q^{19} + O(q^{20})\) 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 Cremona 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 Cremona labels.