Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [5733,2,Mod(1,5733)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(5733, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("5733.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 5733 = 3^{2} \cdot 7^{2} \cdot 13 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 5733.a (trivial) |
Newform invariants
comment: select newform
sage: f = N[0] # Warning: the index may be different
gp: f = lf[1] \\ Warning: the index may be different
| Self dual: | yes |
| Analytic conductor: | \(45.7782354788\) |
| Analytic rank: | \(1\) |
| Dimension: | \(3\) |
| Coefficient field: | 3.3.316.1 |
|
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
|
|
| Defining polynomial: |
\( x^{3} - x^{2} - 4x + 2 \)
|
| Coefficient ring: | \(\Z[a_1, a_2]\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | no (minimal twist has level 91) |
| Fricke sign: | \(1\) |
| Sato-Tate group: | $\mathrm{SU}(2)$ |
$q$-expansion
comment: q-expansion
sage: f.q_expansion() # note that sage often uses an isomorphic number field
gp: mfcoefs(f, 20)
Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.
Basis of coefficient ring in terms of a root \(\nu\) of
\( x^{3} - x^{2} - 4x + 2 \)
:
| \(\beta_{1}\) | \(=\) |
\( \nu \)
|
| \(\beta_{2}\) | \(=\) |
\( \nu^{2} - 3 \)
|
| \(\nu\) | \(=\) |
\( \beta_1 \)
|
| \(\nu^{2}\) | \(=\) |
\( \beta_{2} + 3 \)
|
Embeddings
For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.
For more information on an embedded modular form you can click on its label.
comment: embeddings in the coefficient field
gp: mfembed(f)
| Label | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.1 |
|
−2.34292 | 0 | 3.48929 | −1.34292 | 0 | 0 | −3.48929 | 0 | 3.14637 | |||||||||||||||||||||||||||
| 1.2 | −0.470683 | 0 | −1.77846 | 0.529317 | 0 | 0 | 1.77846 | 0 | −0.249141 | ||||||||||||||||||||||||||||
| 1.3 | 1.81361 | 0 | 1.28917 | 2.81361 | 0 | 0 | −1.28917 | 0 | 5.10278 | ||||||||||||||||||||||||||||
Atkin-Lehner signs
| \( p \) | Sign |
|---|---|
| \(3\) | \(-1\) |
| \(7\) | \(-1\) |
| \(13\) | \(1\) |
Inner twists
This newform does not admit any (nontrivial) inner twists.
Twists
| By twisting character orbit | |||||||
|---|---|---|---|---|---|---|---|
| Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
| 1.a | even | 1 | 1 | trivial | 5733.2.a.x | 3 | |
| 3.b | odd | 2 | 1 | 637.2.a.j | 3 | ||
| 7.b | odd | 2 | 1 | 819.2.a.i | 3 | ||
| 21.c | even | 2 | 1 | 91.2.a.d | ✓ | 3 | |
| 21.g | even | 6 | 2 | 637.2.e.j | 6 | ||
| 21.h | odd | 6 | 2 | 637.2.e.i | 6 | ||
| 39.d | odd | 2 | 1 | 8281.2.a.bg | 3 | ||
| 84.h | odd | 2 | 1 | 1456.2.a.t | 3 | ||
| 105.g | even | 2 | 1 | 2275.2.a.m | 3 | ||
| 168.e | odd | 2 | 1 | 5824.2.a.bs | 3 | ||
| 168.i | even | 2 | 1 | 5824.2.a.by | 3 | ||
| 273.g | even | 2 | 1 | 1183.2.a.i | 3 | ||
| 273.o | odd | 4 | 2 | 1183.2.c.f | 6 | ||
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 91.2.a.d | ✓ | 3 | 21.c | even | 2 | 1 | |
| 637.2.a.j | 3 | 3.b | odd | 2 | 1 | ||
| 637.2.e.i | 6 | 21.h | odd | 6 | 2 | ||
| 637.2.e.j | 6 | 21.g | even | 6 | 2 | ||
| 819.2.a.i | 3 | 7.b | odd | 2 | 1 | ||
| 1183.2.a.i | 3 | 273.g | even | 2 | 1 | ||
| 1183.2.c.f | 6 | 273.o | odd | 4 | 2 | ||
| 1456.2.a.t | 3 | 84.h | odd | 2 | 1 | ||
| 2275.2.a.m | 3 | 105.g | even | 2 | 1 | ||
| 5733.2.a.x | 3 | 1.a | even | 1 | 1 | trivial | |
| 5824.2.a.bs | 3 | 168.e | odd | 2 | 1 | ||
| 5824.2.a.by | 3 | 168.i | even | 2 | 1 | ||
| 8281.2.a.bg | 3 | 39.d | odd | 2 | 1 | ||
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(5733))\):
|
\( T_{2}^{3} + T_{2}^{2} - 4T_{2} - 2 \)
|
|
\( T_{5}^{3} - 2T_{5}^{2} - 3T_{5} + 2 \)
|
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\( T_{11}^{3} + 2T_{11}^{2} - 6T_{11} - 8 \)
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\( T_{17}^{3} - 4T_{17}^{2} - 10T_{17} - 4 \)
|
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\( T_{19}^{3} - 4T_{19}^{2} + T_{19} + 4 \)
|
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\( T_{31}^{3} - 4T_{31}^{2} - 19T_{31} - 16 \)
|
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( T^{3} + T^{2} - 4T - 2 \)
|
| $3$ |
\( T^{3} \)
|
| $5$ |
\( T^{3} - 2 T^{2} + \cdots + 2 \)
|
| $7$ |
\( T^{3} \)
|
| $11$ |
\( T^{3} + 2 T^{2} + \cdots - 8 \)
|
| $13$ |
\( (T + 1)^{3} \)
|
| $17$ |
\( T^{3} - 4 T^{2} + \cdots - 4 \)
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| $19$ |
\( T^{3} - 4T^{2} + T + 4 \)
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| $23$ |
\( T^{3} + 10 T^{2} + \cdots - 136 \)
|
| $29$ |
\( T^{3} + 24 T^{2} + \cdots + 454 \)
|
| $31$ |
\( T^{3} - 4 T^{2} + \cdots - 16 \)
|
| $37$ |
\( T^{3} - 58T - 124 \)
|
| $41$ |
\( T^{3} - 2 T^{2} + \cdots - 8 \)
|
| $43$ |
\( T^{3} - 10 T^{2} + \cdots + 628 \)
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| $47$ |
\( T^{3} + 8 T^{2} + \cdots - 544 \)
|
| $53$ |
\( T^{3} + 8 T^{2} + \cdots + 22 \)
|
| $59$ |
\( T^{3} + 4 T^{2} + \cdots - 688 \)
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| $61$ |
\( (T - 2)^{3} \)
|
| $67$ |
\( T^{3} + 12 T^{2} + \cdots - 976 \)
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| $71$ |
\( T^{3} - 6 T^{2} + \cdots - 16 \)
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| $73$ |
\( T^{3} - 10 T^{2} + \cdots + 274 \)
|
| $79$ |
\( T^{3} + 14 T^{2} + \cdots - 16 \)
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| $83$ |
\( T^{3} + 12 T^{2} + \cdots - 3268 \)
|
| $89$ |
\( T^{3} - 2 T^{2} + \cdots + 422 \)
|
| $97$ |
\( T^{3} - 10 T^{2} + \cdots - 22 \)
|
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