Minimal Weierstrass equation
Minimal Weierstrass equation
Simplified equation
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\(y^2=x^3-x^2-592053x+2392758189\)
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(homogenize, simplify) |
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\(y^2z=x^3-x^2z-592053xz^2+2392758189z^3\)
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(dehomogenize, simplify) |
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\(y^2=x^3-47956320x+1744176850848\)
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(homogenize, minimize) |
Mordell-Weil group structure
trivial
Invariants
| Conductor: | $N$ | = | \( 30912 \) | = | $2^{6} \cdot 3 \cdot 7 \cdot 23$ |
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| Minimal Discriminant: | $\Delta$ | = | $-2459636091785700753408$ | = | $-1 \cdot 2^{14} \cdot 3^{5} \cdot 7^{3} \cdot 23^{9} $ |
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| j-invariant: | $j$ | = | \( -\frac{1400832679220224000}{150124273180279587} \) | = | $-1 \cdot 2^{13} \cdot 3^{-5} \cdot 5^{3} \cdot 7^{-3} \cdot 17^{3} \cdot 23^{-9} \cdot 653^{3}$ |
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| Endomorphism ring: | $\mathrm{End}(E)$ | = | $\Z$ | |||
| Geometric endomorphism ring: | $\mathrm{End}(E_{\overline{\Q}})$ | = | \(\Z\) (no potential complex multiplication) |
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| Sato-Tate group: | $\mathrm{ST}(E)$ | = | $\mathrm{SU}(2)$ | |||
| Faltings height: | $h_{\mathrm{Faltings}}$ | ≈ | $2.7840408660913581322691593516$ |
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| Stable Faltings height: | $h_{\mathrm{stable}}$ | ≈ | $1.9753691554380886046157218766$ |
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| $abc$ quality: | $Q$ | ≈ | $1.092505097712707$ | |||
| Szpiro ratio: | $\sigma_{m}$ | ≈ | $5.485535908014722$ | |||
| Intrinsic torsion order: | $\#E(\mathbb Q)_\text{tors}^\text{is}$ | = | $1$ | |||
BSD invariants
| Analytic rank: | $r_{\mathrm{an}}$ | = | $ 0$ |
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| Mordell-Weil rank: | $r$ | = | $ 0$ |
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| Regulator: | $\mathrm{Reg}(E/\Q)$ | = | $1$ |
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| Real period: | $\Omega$ | ≈ | $0.11897560148900179513422291042$ |
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| Tamagawa product: | $\prod_{p}c_p$ | = | $ 3 $ = $ 1\cdot1\cdot3\cdot1 $ |
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| Torsion order: | $\#E(\Q)_{\mathrm{tor}}$ | = | $1$ |
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| Special value: | $ L(E,1)$ | ≈ | $0.35692680446700538540266873127 $ |
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| Analytic order of Ш: | Ш${}_{\mathrm{an}}$ | = | $1$ (exact) |
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BSD formula
$$\begin{aligned} 0.356926804 \approx L(E,1) & = \frac{\# ะจ(E/\Q)\cdot \Omega_E \cdot \mathrm{Reg}(E/\Q) \cdot \prod_p c_p}{\#E(\Q)_{\rm tor}^2} \\ & \approx \frac{1 \cdot 0.118976 \cdot 1.000000 \cdot 3}{1^2} \\ & \approx 0.356926804\end{aligned}$$
Modular invariants
For more coefficients, see the Downloads section to the right.
| Modular degree: | 1140480 |
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| $ \Gamma_0(N) $-optimal: | no | |
| Manin constant: | 1 |
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Local data at primes of bad reduction
This elliptic curve is not semistable. There are 4 primes $p$ of bad reduction:
| $p$ | Tamagawa number | Kodaira symbol | Reduction type | Root number | $\mathrm{ord}_p(N)$ | $\mathrm{ord}_p(\Delta)$ | $\mathrm{ord}_p(\mathrm{den}(j))$ |
|---|---|---|---|---|---|---|---|
| $2$ | $1$ | $II^{*}$ | additive | 1 | 6 | 14 | 0 |
| $3$ | $1$ | $I_{5}$ | nonsplit multiplicative | 1 | 1 | 5 | 5 |
| $7$ | $3$ | $I_{3}$ | split multiplicative | -1 | 1 | 3 | 3 |
| $23$ | $1$ | $I_{9}$ | nonsplit multiplicative | 1 | 1 | 9 | 9 |
Galois representations
The $\ell$-adic Galois representation has maximal image for all primes $\ell$ except those listed in the table below.
| prime $\ell$ | mod-$\ell$ image | $\ell$-adic image | $\ell$-adic index |
|---|---|---|---|
| $3$ | 3B | 3.4.0.1 | $4$ |
The image $H:=\rho_E(\Gal(\overline{\Q}/\Q))$ of the adelic Galois representation has level \( 3864 = 2^{3} \cdot 3 \cdot 7 \cdot 23 \), index $16$, genus $0$, and generators
$\left(\begin{array}{rr} 967 & 0 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 4 & 3 \\ 9 & 7 \end{array}\right),\left(\begin{array}{rr} 1931 & 0 \\ 0 & 3863 \end{array}\right),\left(\begin{array}{rr} 3035 & 3858 \\ 3309 & 3845 \end{array}\right),\left(\begin{array}{rr} 2939 & 3858 \\ 3021 & 3845 \end{array}\right),\left(\begin{array}{rr} 961 & 6 \\ 960 & 7 \end{array}\right),\left(\begin{array}{rr} 3859 & 6 \\ 3858 & 7 \end{array}\right),\left(\begin{array}{rr} 164 & 807 \\ 1 & 484 \end{array}\right),\left(\begin{array}{rr} 1 & 6 \\ 0 & 1 \end{array}\right),\left(\begin{array}{rr} 3 & 4 \\ 8 & 11 \end{array}\right),\left(\begin{array}{rr} 1 & 0 \\ 6 & 1 \end{array}\right)$.
The torsion field $K:=\Q(E[3864])$ is a degree-$2481918050304$ Galois extension of $\Q$ with $\Gal(K/\Q)$ isomorphic to the projection of $H$ to $\GL_2(\Z/3864\Z)$.
The table below list all primes $\ell$ for which the Serre invariants associated to the mod-$\ell$ Galois representation are exceptional.
| $\ell$ | Reduction type | Serre weight | Serre conductor |
|---|---|---|---|
| $2$ | additive | $2$ | \( 483 = 3 \cdot 7 \cdot 23 \) |
| $3$ | nonsplit multiplicative | $4$ | \( 64 = 2^{6} \) |
| $5$ | good | $2$ | \( 10304 = 2^{6} \cdot 7 \cdot 23 \) |
| $7$ | split multiplicative | $8$ | \( 4416 = 2^{6} \cdot 3 \cdot 23 \) |
| $23$ | nonsplit multiplicative | $24$ | \( 1344 = 2^{6} \cdot 3 \cdot 7 \) |
Isogenies
This curve has non-trivial cyclic isogenies of degree $d$ for $d=$
3.
Its isogeny class 30912.r
consists of 2 curves linked by isogenies of
degree 3.
Twists
The minimal quadratic twist of this elliptic curve is 1932.b2, its twist by $8$.
Growth of torsion in number fields
The number fields $K$ of degree less than 24 such that $E(K)_{\rm tors}$ is strictly larger than $E(\Q)_{\rm tors}$ (which is trivial) are as follows:
| $[K:\Q]$ | $K$ | $E(K)_{\rm tors}$ | Base change curve |
|---|---|---|---|
| $2$ | \(\Q(\sqrt{-6}) \) | \(\Z/3\Z\) | not in database |
| $3$ | 3.1.1932.1 | \(\Z/2\Z\) | not in database |
| $6$ | 6.0.1802857392.1 | \(\Z/2\Z \oplus \Z/2\Z\) | not in database |
| $6$ | 6.2.120932352.11 | \(\Z/3\Z\) | not in database |
| $6$ | 6.0.1433327616.7 | \(\Z/6\Z\) | not in database |
| $12$ | deg 12 | \(\Z/4\Z\) | not in database |
| $12$ | 12.0.131621703842267136.53 | \(\Z/3\Z \oplus \Z/3\Z\) | not in database |
| $12$ | deg 12 | \(\Z/2\Z \oplus \Z/6\Z\) | not in database |
| $18$ | 18.0.73438742772131714904766122949607424.3 | \(\Z/9\Z\) | not in database |
| $18$ | 18.2.277220449982103787733553281743026388992.1 | \(\Z/6\Z\) | not in database |
We only show fields where the torsion growth is primitive. For fields not in the database, click on the degree shown to reveal the defining polynomial.
Iwasawa invariants
| $p$ | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | 29 | 31 | 37 | 41 | 43 | 47 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reduction type | add | nonsplit | ss | split | ord | ord | ss | ord | nonsplit | ord | ord | ord | ord | ord | ord |
| $\lambda$-invariant(s) | - | 0 | 0,0 | 1 | 0 | 0 | 0,0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| $\mu$-invariant(s) | - | 1 | 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.
$p$-adic regulators
All $p$-adic regulators are identically $1$ since the rank is $0$.