Properties

Label 68445.u
Number of curves $2$
Conductor $68445$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("u1")
 
E.isogeny_class()
 

Elliptic curves in class 68445.u

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
68445.u1 68445o2 \([0, 0, 1, -18252, -904615]\) \(2359296/125\) \(35627280580125\) \([]\) \(155520\) \(1.3571\)  
68445.u2 68445o1 \([0, 0, 1, -3042, 64262]\) \(884736/5\) \(17593718805\) \([]\) \(51840\) \(0.80784\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 68445.u have rank \(2\).

Complex multiplication

The elliptic curves in class 68445.u do not have complex multiplication.

Modular form 68445.2.a.u

sage: E.q_eigenform(10)
 
\(q - 2 q^{4} + q^{5} - 2 q^{7} + 3 q^{11} + 4 q^{16} - 6 q^{17} + q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.