Properties

Label 12342k
Number of curves $4$
Conductor $12342$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("k1")
 
E.isogeny_class()
 

Elliptic curves in class 12342k

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
12342.p4 12342k1 \([1, 0, 1, -707490, 179061364]\) \(22106889268753393/4969545596928\) \(8803853167239364608\) \([2]\) \(322560\) \(2.3481\) \(\Gamma_0(N)\)-optimal
12342.p2 12342k2 \([1, 0, 1, -10619810, 13318832756]\) \(74768347616680342513/5615307472896\) \(9947859721991110656\) \([2, 2]\) \(645120\) \(2.6946\)  
12342.p1 12342k3 \([1, 0, 1, -169913890, 852480046196]\) \(306234591284035366263793/1727485056\) \(3060345153292416\) \([2]\) \(1290240\) \(3.0412\)  
12342.p3 12342k4 \([1, 0, 1, -9922850, 15142637684]\) \(-60992553706117024753/20624795251201152\) \(-36538082900013164038272\) \([2]\) \(1290240\) \(3.0412\)  

Rank

sage: E.rank()
 

The elliptic curves in class 12342k have rank \(1\).

Complex multiplication

The elliptic curves in class 12342k do not have complex multiplication.

Modular form 12342.2.a.k

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

\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.