Cremona's table of elliptic curves

Curve 78400ei1

78400 = 26 · 52 · 72



Data for elliptic curve 78400ei1

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 78400ei Isogeny class
Conductor 78400 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 1105920 Modular degree for the optimal curve
Δ -295157811200000000 = -1 · 217 · 58 · 78 Discriminant
Eigenvalues 2+  1 5- 7-  1 -6 -7  1 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-824833,289242463] [a1,a2,a3,a4,a6]
Generators [-117:19600:1] Generators of the group modulo torsion
j -10303010/49 j-invariant
L 5.9716056333942 L(r)(E,1)/r!
Ω 0.30901730104901 Real period
R 0.8051876078191 Regulator
r 1 Rank of the group of rational points
S 0.99999999993995 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400km1 9800bo1 78400bm1 11200be1 Quadratic twists by: -4 8 5 -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
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