Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [576,5,Mod(127,576)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(576, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 0, 0]))
N = Newforms(chi, 5, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("576.127");
S:= CuspForms(chi, 5);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 576 = 2^{6} \cdot 3^{2} \) |
| Weight: | \( k \) | \(=\) | \( 5 \) |
| Character orbit: | \([\chi]\) | \(=\) | 576.g (of order \(2\), degree \(1\), not minimal) |
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: | no |
| Analytic conductor: | \(59.5410987363\) |
| Analytic rank: | \(0\) |
| Dimension: | \(2\) |
| Coefficient field: | \(\Q(\sqrt{-3}) \) |
|
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
|
|
| Defining polynomial: |
\( x^{2} - x + 1 \)
|
| Coefficient ring: | \(\Z[a_1, \ldots, a_{7}]\) |
| Coefficient ring index: | \( 2^{3}\cdot 3^{2} \) |
| Twist minimal: | no (minimal twist has level 48) |
| Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-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 \(\beta = 36\sqrt{-3}\). We also show the integral \(q\)-expansion of the trace form.
Character values
We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/576\mathbb{Z}\right)^\times\).
| \(n\) | \(65\) | \(127\) | \(325\) |
| \(\chi(n)\) | \(1\) | \(-1\) | \(1\) |
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 | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 127.1 |
|
0 | 0 | 0 | 6.00000 | 0 | − | 62.3538i | 0 | 0 | 0 | |||||||||||||||||||||||
| 127.2 | 0 | 0 | 0 | 6.00000 | 0 | 62.3538i | 0 | 0 | 0 | |||||||||||||||||||||||||
Inner twists
| Char | Parity | Ord | Mult | Type |
|---|---|---|---|---|
| 1.a | even | 1 | 1 | trivial |
| 4.b | odd | 2 | 1 | inner |
Twists
| By twisting character orbit | |||||||
|---|---|---|---|---|---|---|---|
| Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
| 1.a | even | 1 | 1 | trivial | 576.5.g.g | 2 | |
| 3.b | odd | 2 | 1 | 192.5.g.a | 2 | ||
| 4.b | odd | 2 | 1 | inner | 576.5.g.g | 2 | |
| 8.b | even | 2 | 1 | 144.5.g.d | 2 | ||
| 8.d | odd | 2 | 1 | 144.5.g.d | 2 | ||
| 12.b | even | 2 | 1 | 192.5.g.a | 2 | ||
| 24.f | even | 2 | 1 | 48.5.g.b | ✓ | 2 | |
| 24.h | odd | 2 | 1 | 48.5.g.b | ✓ | 2 | |
| 48.i | odd | 4 | 2 | 768.5.b.d | 4 | ||
| 48.k | even | 4 | 2 | 768.5.b.d | 4 | ||
| 120.i | odd | 2 | 1 | 1200.5.e.a | 2 | ||
| 120.m | even | 2 | 1 | 1200.5.e.a | 2 | ||
| 120.q | odd | 4 | 2 | 1200.5.j.a | 4 | ||
| 120.w | even | 4 | 2 | 1200.5.j.a | 4 | ||
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 48.5.g.b | ✓ | 2 | 24.f | even | 2 | 1 | |
| 48.5.g.b | ✓ | 2 | 24.h | odd | 2 | 1 | |
| 144.5.g.d | 2 | 8.b | even | 2 | 1 | ||
| 144.5.g.d | 2 | 8.d | odd | 2 | 1 | ||
| 192.5.g.a | 2 | 3.b | odd | 2 | 1 | ||
| 192.5.g.a | 2 | 12.b | even | 2 | 1 | ||
| 576.5.g.g | 2 | 1.a | even | 1 | 1 | trivial | |
| 576.5.g.g | 2 | 4.b | odd | 2 | 1 | inner | |
| 768.5.b.d | 4 | 48.i | odd | 4 | 2 | ||
| 768.5.b.d | 4 | 48.k | even | 4 | 2 | ||
| 1200.5.e.a | 2 | 120.i | odd | 2 | 1 | ||
| 1200.5.e.a | 2 | 120.m | even | 2 | 1 | ||
| 1200.5.j.a | 4 | 120.q | odd | 4 | 2 | ||
| 1200.5.j.a | 4 | 120.w | even | 4 | 2 | ||
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator
\( T_{5} - 6 \)
acting on \(S_{5}^{\mathrm{new}}(576, [\chi])\).
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( T^{2} \)
|
| $3$ |
\( T^{2} \)
|
| $5$ |
\( (T - 6)^{2} \)
|
| $7$ |
\( T^{2} + 3888 \)
|
| $11$ |
\( T^{2} + 34992 \)
|
| $13$ |
\( (T - 86)^{2} \)
|
| $17$ |
\( (T + 426)^{2} \)
|
| $19$ |
\( T^{2} + 3888 \)
|
| $23$ |
\( T^{2} + 559872 \)
|
| $29$ |
\( (T - 1182)^{2} \)
|
| $31$ |
\( T^{2} + 2430000 \)
|
| $37$ |
\( (T - 430)^{2} \)
|
| $41$ |
\( (T + 2250)^{2} \)
|
| $43$ |
\( T^{2} + 7188912 \)
|
| $47$ |
\( T^{2} + 139968 \)
|
| $53$ |
\( (T + 1602)^{2} \)
|
| $59$ |
\( T^{2} + 12632112 \)
|
| $61$ |
\( (T + 2114)^{2} \)
|
| $67$ |
\( T^{2} + 1714608 \)
|
| $71$ |
\( T^{2} + 8957952 \)
|
| $73$ |
\( (T - 4066)^{2} \)
|
| $79$ |
\( T^{2} + 30796848 \)
|
| $83$ |
\( T^{2} + 84015792 \)
|
| $89$ |
\( (T - 2046)^{2} \)
|
| $97$ |
\( (T + 2942)^{2} \)
|
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