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Properties

Label 67830.m
Number of curves $2$
Conductor $67830$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("m1")
 
E.isogeny_class()
 

Elliptic curves in class 67830.m

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
67830.m1 67830o2 \([1, 0, 1, -15989, -555964]\) \(452010552257419849/128690085617100\) \(128690085617100\) \([2]\) \(272384\) \(1.4140\)  
67830.m2 67830o1 \([1, 0, 1, 2631, -56948]\) \(2015224898618231/2578024577520\) \(-2578024577520\) \([2]\) \(136192\) \(1.0675\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 67830.m have rank \(2\).

Complex multiplication

The elliptic curves in class 67830.m do not have complex multiplication.

Modular form 67830.2.a.m

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