Properties

Label 30492.c
Number of curves $2$
Conductor $30492$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("c1")
 
E.isogeny_class()
 

Elliptic curves in class 30492.c

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
30492.c1 30492d1 \([0, 0, 0, -8349, -304799]\) \(-84098304/3773\) \(-2887531050096\) \([]\) \(69120\) \(1.1555\) \(\Gamma_0(N)\)-optimal
30492.c2 30492d2 \([0, 0, 0, 42471, -826551]\) \(15185664/9317\) \(-5198086253018736\) \([]\) \(207360\) \(1.7048\)  

Rank

sage: E.rank()
 

The elliptic curves in class 30492.c have rank \(1\).

Complex multiplication

The elliptic curves in class 30492.c do not have complex multiplication.

Modular form 30492.2.a.c

sage: E.q_eigenform(10)
 
\(q - 3 q^{5} - q^{7} - 5 q^{13} + 6 q^{17} + q^{19} + O(q^{20})\) 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.