Properties

Label 10005.c
Number of curves 2
Conductor 10005
CM no
Rank 1
Graph

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Show commands for: SageMath

sage: E = EllipticCurve("10005.c1")
 
sage: E.isogeny_class()
 

Elliptic curves in class 10005.c

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients Torsion structure Modular degree Optimality
10005.c1 10005f1 [1, 1, 1, -40, 80] [2] 2048 \(\Gamma_0(N)\)-optimal
10005.c2 10005f2 [1, 1, 1, -15, 210] [2] 4096  

Rank

sage: E.rank()
 

The elliptic curves in class 10005.c have rank \(1\).

Modular form 10005.2.a.c

sage: E.q_eigenform(10)
 
\( q - q^{2} - q^{3} - q^{4} + q^{5} + q^{6} - 4q^{7} + 3q^{8} + q^{9} - q^{10} + 6q^{11} + q^{12} - 6q^{13} + 4q^{14} - q^{15} - q^{16} - q^{18} - 4q^{19} + O(q^{20}) \)

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.