Cremona's table of elliptic curves

Curve 475b1

475 = 52 · 19



Data for elliptic curve 475b1

Field Data Notes
Atkin-Lehner 5- 19- Signs for the Atkin-Lehner involutions
Class 475b Isogeny class
Conductor 475 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 80 Modular degree for the optimal curve
Δ -37109375 = -1 · 59 · 19 Discriminant
Eigenvalues  1  0 5- -2 -4  2 -4 19- Hecke eigenvalues for primes up to 20
Equation [1,-1,0,8,291] [a1,a2,a3,a4,a6]
Generators [10:31:1] Generators of the group modulo torsion
j 27/19 j-invariant
L 2.1875734113977 L(r)(E,1)/r!
Ω 1.6025344539195 Real period
R 2.7301421271128 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 7600s1 30400t1 4275q1 475c1 Quadratic twists by: -4 8 -3 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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