Properties

Label 68970.ba
Number of curves $2$
Conductor $68970$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("ba1")
 
E.isogeny_class()
 

Elliptic curves in class 68970.ba

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
68970.ba1 68970u1 \([1, 0, 1, -2940424, 1686491222]\) \(1587074323222816849/224665436160000\) \(398008524749045760000\) \([2]\) \(3317760\) \(2.6787\) \(\Gamma_0(N)\)-optimal
68970.ba2 68970u2 \([1, 0, 1, 4803576, 9071169622]\) \(6919293138571999151/24068144896012800\) \(-42638186840125331980800\) \([2]\) \(6635520\) \(3.0252\)  

Rank

sage: E.rank()
 

The elliptic curves in class 68970.ba have rank \(1\).

Complex multiplication

The elliptic curves in class 68970.ba do not have complex multiplication.

Modular form 68970.2.a.ba

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