Cremona's table of elliptic curves

Curve 68306b2

68306 = 2 · 72 · 17 · 41



Data for elliptic curve 68306b2

Field Data Notes
Atkin-Lehner 2+ 7+ 17+ 41- Signs for the Atkin-Lehner involutions
Class 68306b Isogeny class
Conductor 68306 Conductor
∏ cp 12 Product of Tamagawa factors cp
Δ -152072091515456 = -1 · 26 · 74 · 176 · 41 Discriminant
Eigenvalues 2+  1 -3 7+  3 -4 17+ -1 Hecke eigenvalues for primes up to 20
Equation [1,0,1,8990,-493580] [a1,a2,a3,a4,a6]
Generators [53:337:1] [662:16864:1] Generators of the group modulo torsion
j 33471877163207/63336981056 j-invariant
L 7.5197483911846 L(r)(E,1)/r!
Ω 0.30207451858172 Real period
R 2.0744738821599 Regulator
r 2 Rank of the group of rational points
S 1.0000000000025 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 68306i2 Quadratic twists by: -7


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