Properties

Label 112896.d
Number of curves $2$
Conductor $112896$
CM \(\Q(\sqrt{-1}) \)
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("d1")
 
E.isogeny_class()
 

Elliptic curves in class 112896.d

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality CM discriminant
112896.d1 112896cc1 \([0, 0, 0, -882, 0]\) \(1728\) \(43912253952\) \([2]\) \(98304\) \(0.73159\) \(\Gamma_0(N)\)-optimal \(-4\)
112896.d2 112896cc2 \([0, 0, 0, 3528, 0]\) \(1728\) \(-2810384252928\) \([2]\) \(196608\) \(1.0782\)   \(-4\)

Rank

sage: E.rank()
 

The elliptic curves in class 112896.d have rank \(1\).

Complex multiplication

Each elliptic curve in class 112896.d has complex multiplication by an order in the imaginary quadratic field \(\Q(\sqrt{-1}) \).

Modular form 112896.2.a.d

sage: E.q_eigenform(10)
 
\(q - 4 q^{5} + 4 q^{13} - 2 q^{17} + O(q^{20})\) 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.