Properties

Label 68970.cf
Number of curves $4$
Conductor $68970$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("cf1")
 
E.isogeny_class()
 

Elliptic curves in class 68970.cf

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
68970.cf1 68970cq4 \([1, 0, 0, -149246666, 701771808420]\) \(207530301091125281552569/805586668007040\) \(1427145923161219789440\) \([2]\) \(12902400\) \(3.2724\)  
68970.cf2 68970cq3 \([1, 0, 0, -28285386, -44708872284]\) \(1412712966892699019449/330160465517040000\) \(584899404451832899440000\) \([2]\) \(12902400\) \(3.2724\)  
68970.cf3 68970cq2 \([1, 0, 0, -9467466, 10619576100]\) \(52974743974734147769/3152005008998400\) \(5583969145746214502400\) \([2, 2]\) \(6451200\) \(2.9258\)  
68970.cf4 68970cq1 \([1, 0, 0, 444854, 685448996]\) \(5495662324535111/117739817533440\) \(-208583268889358499840\) \([2]\) \(3225600\) \(2.5792\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

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

Complex multiplication

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

Modular form 68970.2.a.cf

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

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.