Cremona's table of elliptic curves

Curve 212a1

212 = 22 · 53



Data for elliptic curve 212a1

Field Data Notes
Atkin-Lehner 2- 53- Signs for the Atkin-Lehner involutions
Class 212a Isogeny class
Conductor 212 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 12 Modular degree for the optimal curve
Δ -13568 = -1 · 28 · 53 Discriminant
Eigenvalues 2- -1 -2 -2  2 -7 -3  5 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-4,8] [a1,a2,a3,a4,a6]
Generators [2:-2:1] Generators of the group modulo torsion
j -35152/53 j-invariant
L 1.1728370526413 L(r)(E,1)/r!
Ω 3.570212433323 Real period
R 0.10950207908214 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 848f1 3392a1 1908a1 5300a1 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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