# Properties

 Label 9408.co Number of curves 4 Conductor 9408 CM no Rank 1 Graph # Related objects

Show commands for: SageMath
sage: E = EllipticCurve("9408.co1")

sage: E.isogeny_class()

## Elliptic curves in class 9408.co

sage: E.isogeny_class().curves

LMFDB label Cremona label Weierstrass coefficients Torsion structure Modular degree Optimality
9408.co1 9408bb4 [0, 1, 0, -358353, 82449135]  55296
9408.co2 9408bb3 [0, 1, 0, -22213, 1304939]  27648
9408.co3 9408bb2 [0, 1, 0, -5553, 49167]  18432
9408.co4 9408bb1 [0, 1, 0, 1307, 6635]  9216 $$\Gamma_0(N)$$-optimal

## Rank

sage: E.rank()

The elliptic curves in class 9408.co have rank $$1$$.

## Modular form9408.2.a.co

sage: E.q_eigenform(10)

$$q + q^{3} + q^{9} + 6q^{11} + 2q^{13} - 4q^{19} + O(q^{20})$$

## 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.

$$\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)$$

## Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)

The vertices are labelled with LMFDB labels. 