Elliptic curve isogeny class with Cremona label 27885f (LMFDB label 27885.g)

• Label: 27885f
• Number of curves: $2$
• Conductor: $27885$
• CM: no
• Rank: $1$

Rank

The elliptic curves in class 27885f have rank \(1\).

L-function data

Bad L-factors:

Prime	L-Factor
\(3\)	\(1 + T\)
\(5\)	\(1 + T\)
\(11\)	\(1 + T\)
\(13\)	\(1\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(2\)	\( 1 + T + 2 T^{2}\)	1.2.b
\(7\)	\( 1 - 2 T + 7 T^{2}\)	1.7.ac
\(17\)	\( 1 + 6 T + 17 T^{2}\)	1.17.g
\(19\)	\( 1 + 19 T^{2}\)	1.19.a
\(23\)	\( 1 - 4 T + 23 T^{2}\)	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 27885f do not have complex multiplication.

Modular form 27885.2.a.f

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.

\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with Cremona labels.

Elliptic curves in class 27885f

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
27885.g2	27885f1	\([1, 1, 1, -3676, 84248]\)	\(32506551525721/2578125\)	\(435703125\)	\([]\)	\(28224\)	\(0.70414\)	\(\Gamma_0(N)\)-optimal
27885.g1	27885f2	\([1, 1, 1, -192501, -32587482]\)	\(4668056654282578921/213092214885\)	\(36012584315565\)	\([]\)	\(197568\)	\(1.6771\)