Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [666,6,Mod(1,666)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(666, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([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("666.1");
S:= CuspForms(chi, 6);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 666 = 2 \cdot 3^{2} \cdot 37 \) |
| Weight: | \( k \) | \(=\) | \( 6 \) |
| Character orbit: | \([\chi]\) | \(=\) | 666.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: | \(106.815623995\) |
| Analytic rank: | \(0\) |
| Dimension: | \(2\) |
| Coefficient field: | \(\Q(\sqrt{1066}) \) |
|
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
|
|
| Defining polynomial: |
\( x^{2} - 1066 \)
|
| Coefficient ring: | \(\Z[a_1, \ldots, a_{5}]\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | no (minimal twist has level 222) |
| 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 \(\beta = \sqrt{1066}\). We also show the integral \(q\)-expansion of the trace form.
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 |
|
4.00000 | 0 | 16.0000 | −42.6497 | 0 | −144.599 | 64.0000 | 0 | −170.599 | ||||||||||||||||||||||||
| 1.2 | 4.00000 | 0 | 16.0000 | 22.6497 | 0 | 116.599 | 64.0000 | 0 | 90.5986 | |||||||||||||||||||||||||
Atkin-Lehner signs
| \( p \) | Sign |
|---|---|
| \(2\) | \(-1\) |
| \(3\) | \(-1\) |
| \(37\) | \(-1\) |
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 | 666.6.a.f | 2 | |
| 3.b | odd | 2 | 1 | 222.6.a.c | ✓ | 2 | |
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 222.6.a.c | ✓ | 2 | 3.b | odd | 2 | 1 | |
| 666.6.a.f | 2 | 1.a | even | 1 | 1 | trivial | |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator
\( T_{5}^{2} + 20T_{5} - 966 \)
acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(666))\).
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( (T - 4)^{2} \)
|
| $3$ |
\( T^{2} \)
|
| $5$ |
\( T^{2} + 20T - 966 \)
|
| $7$ |
\( T^{2} + 28T - 16860 \)
|
| $11$ |
\( T^{2} - 112T - 269760 \)
|
| $13$ |
\( T^{2} + 484T - 48036 \)
|
| $17$ |
\( T^{2} - 1956 T + 870138 \)
|
| $19$ |
\( T^{2} + 140 T - 1376636 \)
|
| $23$ |
\( T^{2} - 4116 T + 3765258 \)
|
| $29$ |
\( T^{2} + 5916 T - 4384422 \)
|
| $31$ |
\( T^{2} + 2148 T - 1102180 \)
|
| $37$ |
\( (T - 1369)^{2} \)
|
| $41$ |
\( T^{2} + 8460 T + 6802236 \)
|
| $43$ |
\( T^{2} - 15708 T + 52266140 \)
|
| $47$ |
\( T^{2} - 19864 T - 23139480 \)
|
| $53$ |
\( T^{2} - 47388 T + 511670340 \)
|
| $59$ |
\( T^{2} - 39484 T + 334816650 \)
|
| $61$ |
\( T^{2} + 30684 T + 103295300 \)
|
| $67$ |
\( T^{2} + 54508 T + 572220516 \)
|
| $71$ |
\( T^{2} + \cdots - 1217168280 \)
|
| $73$ |
\( T^{2} + \cdots + 2257341200 \)
|
| $79$ |
\( T^{2} + \cdots - 3480398652 \)
|
| $83$ |
\( T^{2} - 113752 T - 540811608 \)
|
| $89$ |
\( T^{2} + \cdots + 1239018522 \)
|
| $97$ |
\( T^{2} + \cdots + 6383836956 \)
|
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