Properties

Label 18928.be
Number of curves $2$
Conductor $18928$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("be1")
 
E.isogeny_class()
 

Elliptic curves in class 18928.be

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
18928.be1 18928bc1 \([0, -1, 0, -1837424, -958176064]\) \(-1214950633/196\) \(-110675002992246784\) \([]\) \(449280\) \(2.2799\) \(\Gamma_0(N)\)-optimal
18928.be2 18928bc2 \([0, -1, 0, 447456, -3135209728]\) \(17546087/7529536\) \(-4251690914950152454144\) \([]\) \(1347840\) \(2.8292\)  

Rank

sage: E.rank()
 

The elliptic curves in class 18928.be have rank \(1\).

Complex multiplication

The elliptic curves in class 18928.be do not have complex multiplication.

Modular form 18928.2.a.be

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