Cremona's table of elliptic curves

Curve 78400d1

78400 = 26 · 52 · 72



Data for elliptic curve 78400d1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ Signs for the Atkin-Lehner involutions
Class 78400d Isogeny class
Conductor 78400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 774144 Modular degree for the optimal curve
Δ -472252497920000000 = -1 · 220 · 57 · 78 Discriminant
Eigenvalues 2+  1 5+ 7+  6 -4  0 -2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,194367,2376863] [a1,a2,a3,a4,a6]
Generators [2271:118700:27] Generators of the group modulo torsion
j 34391/20 j-invariant
L 8.1020036060237 L(r)(E,1)/r!
Ω 0.17817457662605 Real period
R 5.6840345579886 Regulator
r 1 Rank of the group of rational points
S 0.99999999985734 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400gg1 2450s1 15680bg1 78400by1 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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