Cremona's table of elliptic curves

Curve 30723i2

30723 = 3 · 72 · 11 · 19



Data for elliptic curve 30723i2

Field Data Notes
Atkin-Lehner 3+ 7- 11+ 19- Signs for the Atkin-Lehner involutions
Class 30723i Isogeny class
Conductor 30723 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 183571146638649 = 36 · 78 · 112 · 192 Discriminant
Eigenvalues -1 3+ -2 7- 11+ -2 -2 19- Hecke eigenvalues for primes up to 20
Equation [1,1,1,-92219,10720856] [a1,a2,a3,a4,a6]
Generators [-162:4711:1] Generators of the group modulo torsion
j 737219801902753/1560329001 j-invariant
L 1.5947101077766 L(r)(E,1)/r!
Ω 0.56970697541445 Real period
R 1.3995880133084 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 92169bk2 4389f2 Quadratic twists by: -3 -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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