Minimal Weierstrass equation
\( y^2 + x y = x^{3} - x^{2} - 10242 x + 366916 \)
Mordell-Weil group structure
Infinite order Mordell-Weil generator and height
\(P\) | = | \( \left(-81, 853\right) \) |
\(\hat{h}(P)\) | ≈ | 2.61710979018 |
Torsion generators
\( \left(44, -22\right) \)
Integral points
\( \left(-81, 853\right) \), \( \left(44, -22\right) \), \( \left(80, 194\right) \)
Invariants
magma: Conductor(E);
sage: E.conductor().factor()
gp: ellglobalred(E)[1]
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Conductor: | \( 75150 \) | = | \(2 \cdot 3^{2} \cdot 5^{2} \cdot 167\) | ||
magma: Discriminant(E);
sage: E.discriminant().factor()
gp: E.disc
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Discriminant: | \(11413406250000 \) | = | \(2^{4} \cdot 3^{7} \cdot 5^{9} \cdot 167 \) | ||
magma: jInvariant(E);
sage: E.j_invariant().factor()
gp: E.j
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j-invariant: | \( \frac{83453453}{8016} \) | = | \(2^{-4} \cdot 3^{-1} \cdot 19^{3} \cdot 23^{3} \cdot 167^{-1}\) | ||
Endomorphism ring: | \(\Z\) | (no Complex Multiplication) | |||
Sato-Tate Group: | $\mathrm{SU}(2)$ |
BSD invariants
magma: Rank(E);
sage: E.rank()
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Rank: | \(1\) | ||
magma: Regulator(E);
sage: E.regulator()
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Regulator: | \(2.61710979018\) | ||
magma: RealPeriod(E);
sage: E.period_lattice().omega()
gp: E.omega[1]
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Real period: | \(0.697214132865\) | ||
magma: TamagawaNumbers(E);
sage: E.tamagawa_numbers()
gp: gr=ellglobalred(E); [[gr[4][i,1],gr[5][i][4]] | i<-[1..#gr[4][,1]]]
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Tamagawa product: | \( 8 \) = \( 2\cdot2\cdot2\cdot1 \) | ||
magma: Order(TorsionSubgroup(E));
sage: E.torsion_order()
gp: elltors(E)[1]
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Torsion order: | \(2\) | ||
magma: MordellWeilShaInformation(E);
sage: E.sha().an_numerical()
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Analytic order of Ш: | \(1\) (exact) |
Modular invariants
Modular form 75150.2.a.m
magma: ModularDegree(E);
sage: E.modular_degree()
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Modular degree: | 230400 | ||
\( \Gamma_0(N) \)-optimal: | yes | ||
Manin constant: | 1 |
Special L-value
\( L'(E,1) \) ≈ \( 3.64937186595 \)
Local data
prime | Tamagawa number | Kodaira symbol | Reduction type | Root number | ord(\(N\)) | ord(\(\Delta\)) | ord\((j)_{-}\) |
---|---|---|---|---|---|---|---|
\(2\) | \(2\) | \( I_{4} \) | Non-split multiplicative | 1 | 1 | 4 | 4 |
\(3\) | \(2\) | \( I_1^{*} \) | Additive | -1 | 2 | 7 | 1 |
\(5\) | \(2\) | \( III^{*} \) | Additive | -1 | 2 | 9 | 0 |
\(167\) | \(1\) | \( I_{1} \) | Non-split multiplicative | 1 | 1 | 1 | 1 |
Galois representations
The image of the 2-adic representation attached to this elliptic curve is the subgroup of $\GL(2,\Z_2)$ with Rouse label X6.
This subgroup is the pull-back of the subgroup of $\GL(2,\Z_2/2^1\Z_2)$ generated by $\left(\begin{array}{rr} 1 & 1 \\ 0 & 1 \end{array}\right)$ and has index 3.
The mod \( p \) Galois representation has maximal image \(\GL(2,\F_p)\) for all primes \( p \) except those listed.
prime | Image of Galois representation |
---|---|
\(2\) | B |
$p$-adic data
$p$-adic regulators
Note: \(p\)-adic regulator data only exists for primes \(p\ge5\) of good ordinary reduction.
Iwasawa invariants
$p$ | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | 29 | 31 | 37 | 41 | 43 | 47 | 167 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reduction type | nonsplit | add | add | ss | ordinary | ordinary | ordinary | ordinary | ss | ordinary | ordinary | ordinary | ordinary | ordinary | ordinary | nonsplit |
$\lambda$-invariant(s) | 2 | - | - | 3,1 | 1 | 1 | 1 | 1 | 1,1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
$\mu$-invariant(s) | 0 | - | - | 0,0 | 0 | 0 | 0 | 0 | 0,0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An entry - indicates that the invariants are not computed because the reduction is additive.
Isogenies
This curve has non-trivial cyclic isogenies of degree \(d\) for \(d=\)
2.
Its isogeny class 75150.m
consists of 2 curves linked by isogenies of
degree 2.
Growth of torsion in number fields
The number fields $K$ of degree up to 7 such that $E(K)_{\rm tors}$ is strictly larger than $E(\Q)_{\rm tors}$ $\cong \Z/{2}\Z$ are as follows:
$[K:\Q]$ | $K$ | $E(K)_{\rm tors}$ | Base-change curve |
---|---|---|---|
2 | \(\Q(\sqrt{2505}) \) | \(\Z/2\Z \times \Z/2\Z\) | Not in database |
4 | 4.0.1002000.4 | \(\Z/4\Z\) | Not in database |
We only show fields where the torsion growth is primitive. For each field $K$ we either show its label, or a defining polynomial when $K$ is not in the database.