Elliptic curve isogeny class with LMFDB label 68970.bk (Cremona label 68970bq)

• Label: 68970.bk
• Number of curves: $2$
• Conductor: $68970$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 68970.bk have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 - T\)
\(3\)	\(1 + T\)
\(5\)	\(1 + T\)
\(11\)	\(1\)
\(19\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(7\)	\( 1 + 2 T + 7 T^{2}\)	1.7.c
\(13\)	\( 1 + 13 T^{2}\)	1.13.a
\(17\)	\( 1 + 2 T + 17 T^{2}\)	1.17.c
\(23\)	\( 1 - 4 T + 23 T^{2}\)	1.23.ae
\(29\)	\( 1 - 8 T + 29 T^{2}\)	1.29.ai
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 68970.bk do not have complex multiplication.

Modular form 68970.2.a.bk

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 68970.bk

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
68970.bk1	68970bq2	\([1, 1, 1, -195841, -33439537]\)	\(468898230633769/5540400\)	\(9815156564400\)	\([2]\)	\(414720\)	\(1.6429\)
68970.bk2	68970bq1	\([1, 1, 1, -11921, -554641]\)	\(-105756712489/12476160\)	\(-22102278485760\)	\([2]\)	\(207360\)	\(1.2964\)	\(\Gamma_0(N)\)-optimal