Cremona's table of elliptic curves

Curve 172a2

172 = 22 · 43



Data for elliptic curve 172a2

Field Data Notes
Atkin-Lehner 2- 43- Signs for the Atkin-Lehner involutions
Class 172a Isogeny class
Conductor 172 Conductor
∏ cp 3 Product of Tamagawa factors cp
Δ -20353792 = -1 · 28 · 433 Discriminant
Eigenvalues 2- -2  0 -4 -3 -1 -3  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,67,79] [a1,a2,a3,a4,a6]
Generators [10:43:1] Generators of the group modulo torsion
j 128000000/79507 j-invariant
L 1.0159589214554 L(r)(E,1)/r!
Ω 1.3365424419992 Real period
R 0.25337988766889 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 688b2 2752b2 1548c2 4300b2 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
Back to Tables and computations