Label
Class
Class size
Class degree
Base field
Field degree
Field signature
Conductor
Conductor norm
Discriminant norm
Root analytic conductor
Bad primes
Rank
Torsion
CM
CM
Sato-Tate
Q \Q Q -curve
Base change
Semistable
Potentially good
Nonmax ℓ \ell ℓ
mod-ℓ \ell ℓ images
Ш an Ш_{\textrm{an}} Ш an
Tamagawa
Regulator
Period
Leading coeff
j-invariant
Weierstrass coefficients
Weierstrass equation
2401.1-a2
2401.1-a
2 2 2
37 37 3 7
Q ( 5 ) \Q(\sqrt{5}) Q ( 5 )
2 2 2
[ 2 , 0 ] [2, 0] [ 2 , 0 ]
2401.1
7 4 7^{4} 7 4
7 4 7^{4} 7 4
1.39869 1.39869 1 . 3 9 8 6 9
( 7 ) (7) ( 7 )
0
t r i v i a l \mathsf{trivial} t r i v i a l
no \textsf{no} no
S U ( 2 ) \mathrm{SU}(2) S U ( 2 )
✓
✓
37 37 3 7
37B.11.1
1 1 1
1 1 1
1 1 1
4.444942730 4.444942730 4 . 4 4 4 9 4 2 7 3 0
1.987838820
− 9317 -9317 − 9 3 1 7
[ ϕ + 1 \bigl[\phi + 1 [ ϕ + 1 , − ϕ − 1 -\phi - 1 − ϕ − 1 , 1 1 1 , − 2 ϕ − 2 -2 \phi - 2 − 2 ϕ − 2 , − ϕ − 1 ] -\phi - 1\bigr] − ϕ − 1 ]
y 2 + ( ϕ + 1 ) x y + y = x 3 + ( − ϕ − 1 ) x 2 + ( − 2 ϕ − 2 ) x − ϕ − 1 {y}^2+\left(\phi+1\right){x}{y}+{y}={x}^{3}+\left(-\phi-1\right){x}^{2}+\left(-2\phi-2\right){x}-\phi-1 y 2 + ( ϕ + 1 ) x y + y = x 3 + ( − ϕ − 1 ) x 2 + ( − 2 ϕ − 2 ) x − ϕ − 1
2401.1-c2
2401.1-c
2 2 2
37 37 3 7
Q ( 5 ) \Q(\sqrt{5}) Q ( 5 )
2 2 2
[ 2 , 0 ] [2, 0] [ 2 , 0 ]
2401.1
7 4 7^{4} 7 4
7 16 7^{16} 7 1 6
1.39869 1.39869 1 . 3 9 8 6 9
( 7 ) (7) ( 7 )
0
t r i v i a l \mathsf{trivial} t r i v i a l
no \textsf{no} no
S U ( 2 ) \mathrm{SU}(2) S U ( 2 )
✓
✓
37 37 3 7
37B.10.1
1 1 1
1 1 1
1 1 1
5.462748497 5.462748497 5 . 4 6 2 7 4 8 4 9 7
2.443015397
− 9317 -9317 − 9 3 1 7
[ ϕ \bigl[\phi [ ϕ , ϕ − 1 \phi - 1 ϕ − 1 , ϕ \phi ϕ , 78 ϕ − 157 78 \phi - 157 7 8 ϕ − 1 5 7 , − 575 ϕ + 986 ] -575 \phi + 986\bigr] − 5 7 5 ϕ + 9 8 6 ]
y 2 + ϕ x y + ϕ y = x 3 + ( ϕ − 1 ) x 2 + ( 78 ϕ − 157 ) x − 575 ϕ + 986 {y}^2+\phi{x}{y}+\phi{y}={x}^{3}+\left(\phi-1\right){x}^{2}+\left(78\phi-157\right){x}-575\phi+986 y 2 + ϕ x y + ϕ y = x 3 + ( ϕ − 1 ) x 2 + ( 7 8 ϕ − 1 5 7 ) x − 5 7 5 ϕ + 9 8 6
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*The rank, regulator and analytic order of Ш are
not known for all curves in the database; curves for which these are
unknown will not appear in searches specifying one of these
quantities.