Elliptic curve isogeny class with LMFDB label 187425.bc (Cremona label 187425by)

• Label: 187425.bc
• Number of curves: $2$
• Conductor: $187425$
• CM: no
• Rank: $1$

Rank

The elliptic curves in class 187425.bc have rank \(1\).

L-function data

Bad L-factors:

Prime	L-Factor
\(3\)	\(1\)
\(5\)	\(1\)
\(7\)	\(1\)
\(17\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(2\)	\( 1 + T + 2 T^{2}\)	1.2.b
\(11\)	\( 1 + 4 T + 11 T^{2}\)	1.11.e
\(13\)	\( 1 - 2 T + 13 T^{2}\)	1.13.ac
\(19\)	\( 1 - 8 T + 19 T^{2}\)	1.19.ai
\(23\)	\( 1 + 23 T^{2}\)	1.23.a
\(29\)	\( 1 + 2 T + 29 T^{2}\)	1.29.c
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 187425.bc do not have complex multiplication.

Modular form 187425.2.a.bc

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 LMFDB numbering.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 187425.bc

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
187425.bc1	187425by1	\([1, -1, 1, -36980, -2025978]\)	\(328509/85\)	\(1447055126015625\)	\([2]\)	\(688128\)	\(1.6182\)	\(\Gamma_0(N)\)-optimal
187425.bc2	187425by2	\([1, -1, 1, 91645, -13087728]\)	\(5000211/7225\)	\(-122999685711328125\)	\([2]\)	\(1376256\)	\(1.9648\)