Cremona's table of elliptic curves

Curve 61a1

61 = Prime conductor



Data for elliptic curve 61a1

Field Data Notes
Atkin-Lehner 61+ Signs for the Atkin-Lehner involutions
Class 61a Isogeny class
Conductor 61 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 2 Modular degree for the optimal curve
Δ -61 = Prime discriminant Discriminant
Eigenvalues -1 -2 -3  1 -5  1  4 -4 Hecke eigenvalues for primes up to 20
Equation [1,0,0,-2,1] [a1,a2,a3,a4,a6]
Generators [1:-1:1] Generators of the group modulo torsion
j -912673/61 j-invariant
L 0.48567365142658 L(r)(E,1)/r!
Ω 6.1331931483945 Real period
R 0.079187731362042 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 976b1 3904c1 549c1 1525a1 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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