Properties

Label 92416.bt
Number of curves $2$
Conductor $92416$
CM \(\Q(\sqrt{-2}) \)
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("bt1")
 
E.isogeny_class()
 

Elliptic curves in class 92416.bt

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality CM discriminant
92416.bt1 92416v2 \([0, -1, 0, -4813, 115413]\) \(8000\) \(1541599428608\) \([2]\) \(114048\) \(1.0682\)   \(-8\)
92416.bt2 92416v1 \([0, -1, 0, -1203, -13825]\) \(8000\) \(24087491072\) \([2]\) \(57024\) \(0.72167\) \(\Gamma_0(N)\)-optimal \(-8\)

Rank

sage: E.rank()
 

The elliptic curves in class 92416.bt have rank \(0\).

Complex multiplication

Each elliptic curve in class 92416.bt has complex multiplication by an order in the imaginary quadratic field \(\Q(\sqrt{-2}) \).

Modular form 92416.2.a.bt

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