Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [360,6,Mod(1,360)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(360, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))
N = Newforms(chi, 6, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("360.1");
S:= CuspForms(chi, 6);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 360 = 2^{3} \cdot 3^{2} \cdot 5 \) |
| Weight: | \( k \) | \(=\) | \( 6 \) |
| Character orbit: | \([\chi]\) | \(=\) | 360.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: | \(57.7381751327\) |
| Analytic rank: | \(1\) |
| Dimension: | \(1\) |
| Coefficient field: | \(\mathbb{Q}\) |
| Coefficient ring: | \(\mathbb{Z}\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | no (minimal twist has level 120) |
| 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)
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 |
|
0 | 0 | 0 | 25.0000 | 0 | −28.0000 | 0 | 0 | 0 | |||||||||||||||||||||
Atkin-Lehner signs
| \( p \) | Sign |
|---|---|
| \(2\) | \(1\) |
| \(3\) | \(-1\) |
| \(5\) | \(-1\) |
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 | 360.6.a.g | 1 | |
| 3.b | odd | 2 | 1 | 120.6.a.e | ✓ | 1 | |
| 4.b | odd | 2 | 1 | 720.6.a.s | 1 | ||
| 12.b | even | 2 | 1 | 240.6.a.c | 1 | ||
| 15.d | odd | 2 | 1 | 600.6.a.b | 1 | ||
| 15.e | even | 4 | 2 | 600.6.f.d | 2 | ||
| 24.f | even | 2 | 1 | 960.6.a.y | 1 | ||
| 24.h | odd | 2 | 1 | 960.6.a.j | 1 | ||
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 120.6.a.e | ✓ | 1 | 3.b | odd | 2 | 1 | |
| 240.6.a.c | 1 | 12.b | even | 2 | 1 | ||
| 360.6.a.g | 1 | 1.a | even | 1 | 1 | trivial | |
| 600.6.a.b | 1 | 15.d | odd | 2 | 1 | ||
| 600.6.f.d | 2 | 15.e | even | 4 | 2 | ||
| 720.6.a.s | 1 | 4.b | odd | 2 | 1 | ||
| 960.6.a.j | 1 | 24.h | odd | 2 | 1 | ||
| 960.6.a.y | 1 | 24.f | even | 2 | 1 | ||
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(360))\):
|
\( T_{7} + 28 \)
|
|
\( T_{11} - 208 \)
|
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( T \)
|
| $3$ |
\( T \)
|
| $5$ |
\( T - 25 \)
|
| $7$ |
\( T + 28 \)
|
| $11$ |
\( T - 208 \)
|
| $13$ |
\( T + 422 \)
|
| $17$ |
\( T - 146 \)
|
| $19$ |
\( T + 2012 \)
|
| $23$ |
\( T - 1096 \)
|
| $29$ |
\( T - 1462 \)
|
| $31$ |
\( T + 80 \)
|
| $37$ |
\( T + 15750 \)
|
| $41$ |
\( T - 2358 \)
|
| $43$ |
\( T - 2812 \)
|
| $47$ |
\( T - 7960 \)
|
| $53$ |
\( T - 7590 \)
|
| $59$ |
\( T + 18064 \)
|
| $61$ |
\( T + 19658 \)
|
| $67$ |
\( T - 31868 \)
|
| $71$ |
\( T + 57216 \)
|
| $73$ |
\( T - 9906 \)
|
| $79$ |
\( T - 7872 \)
|
| $83$ |
\( T + 109996 \)
|
| $89$ |
\( T + 62466 \)
|
| $97$ |
\( T + 97598 \)
|
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