Cremona's table of elliptic curves

Curve 68400a1

68400 = 24 · 32 · 52 · 19



Data for elliptic curve 68400a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 19+ Signs for the Atkin-Lehner involutions
Class 68400a Isogeny class
Conductor 68400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 18432 Modular degree for the optimal curve
Δ 2052000000 = 28 · 33 · 56 · 19 Discriminant
Eigenvalues 2+ 3+ 5+  0  2  2  4 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,-375,1750] [a1,a2,a3,a4,a6]
Generators [21:56:1] Generators of the group modulo torsion
j 54000/19 j-invariant
L 6.8922182845751 L(r)(E,1)/r!
Ω 1.349876239618 Real period
R 2.5529074747305 Regulator
r 1 Rank of the group of rational points
S 1.0000000000597 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 34200i1 68400b1 2736a1 Quadratic twists by: -4 -3 5


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

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