Elliptic curve isogeny class with Cremona label 162b (LMFDB label 162.c)

• Label: 162b
• Number of curves: $4$
• Conductor: $162$
• CM: no
• Rank: $0$

Elliptic curves in class 162b

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
162.c3	162b1	\([1, -1, 1, -5, 5]\)	\(-140625/8\)	\(-648\)	\([3]\)	\(6\)	\(-0.70359\)	\(\Gamma_0(N)\)-optimal
162.c4	162b2	\([1, -1, 1, 25, 1]\)	\(3375/2\)	\(-1062882\)	\([]\)	\(18\)	\(-0.15428\)
162.c2	162b3	\([1, -1, 1, -95, -697]\)	\(-1159088625/2097152\)	\(-169869312\)	\([3]\)	\(42\)	\(0.26937\)
162.c1	162b4	\([1, -1, 1, -9695, -364985]\)	\(-189613868625/128\)	\(-68024448\)	\([]\)	\(126\)	\(0.81867\)

Rank

The elliptic curves in class 162b have rank \(0\).

Complex multiplication

The elliptic curves in class 162b do not have complex multiplication.

Modular form 162.2.a.b

Isogeny 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 Cremona numbering.

\(\left(\begin{array}{rrrr} 1 & 3 & 7 & 21 \\ 3 & 1 & 21 & 7 \\ 7 & 21 & 1 & 3 \\ 21 & 7 & 3 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with Cremona labels.