Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [3364,1,Mod(571,3364)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3364, base_ring=CyclotomicField(14))
chi = DirichletCharacter(H, H._module([7, 12]))
N = Newforms(chi, 1, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("3364.571");
S:= CuspForms(chi, 1);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 3364 = 2^{2} \cdot 29^{2} \) |
| Weight: | \( k \) | \(=\) | \( 1 \) |
| Character orbit: | \([\chi]\) | \(=\) | 3364.j (of order \(14\), degree \(6\), 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: | \(1.67885470250\) |
| Analytic rank: | \(0\) |
| Dimension: | \(6\) |
| Coefficient field: | \(\Q(\zeta_{14})\) |
|
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
|
|
| Defining polynomial: |
\( x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \)
|
| Coefficient ring: | \(\Z[a_1, a_2]\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | no (minimal twist has level 116) |
| Projective image: | \(D_{7}\) |
| Projective field: | Galois closure of 7.1.38068692544.1 |
$q$-expansion
comment: q-expansion
sage: f.q_expansion() # note that sage often uses an isomorphic number field
gp: mfcoefs(f, 20)
The \(q\)-expansion and trace form are shown below.
Character values
We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3364\mathbb{Z}\right)^\times\).
| \(n\) | \(1683\) | \(2525\) |
| \(\chi(n)\) | \(-1\) | \(-\zeta_{14}^{5}\) |
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 | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 571.1 |
|
−0.900969 | + | 0.433884i | 0 | 0.623490 | − | 0.781831i | −1.12349 | + | 0.541044i | 0 | 0 | −0.222521 | + | 0.974928i | −0.222521 | + | 0.974928i | 0.777479 | − | 0.974928i | ||||||||||||||||||||||||
| 1031.1 | −0.900969 | − | 0.433884i | 0 | 0.623490 | + | 0.781831i | −1.12349 | − | 0.541044i | 0 | 0 | −0.222521 | − | 0.974928i | −0.222521 | − | 0.974928i | 0.777479 | + | 0.974928i | |||||||||||||||||||||||||
| 1415.1 | 0.623490 | − | 0.781831i | 0 | −0.222521 | − | 0.974928i | −0.277479 | + | 0.347948i | 0 | 0 | −0.900969 | − | 0.433884i | −0.900969 | − | 0.433884i | 0.0990311 | + | 0.433884i | |||||||||||||||||||||||||
| 1619.1 | 0.623490 | + | 0.781831i | 0 | −0.222521 | + | 0.974928i | −0.277479 | − | 0.347948i | 0 | 0 | −0.900969 | + | 0.433884i | −0.900969 | + | 0.433884i | 0.0990311 | − | 0.433884i | |||||||||||||||||||||||||
| 2287.1 | −0.222521 | + | 0.974928i | 0 | −0.900969 | − | 0.433884i | 0.400969 | − | 1.75676i | 0 | 0 | 0.623490 | − | 0.781831i | 0.623490 | − | 0.781831i | 1.62349 | + | 0.781831i | |||||||||||||||||||||||||
| 2327.1 | −0.222521 | − | 0.974928i | 0 | −0.900969 | + | 0.433884i | 0.400969 | + | 1.75676i | 0 | 0 | 0.623490 | + | 0.781831i | 0.623490 | + | 0.781831i | 1.62349 | − | 0.781831i | |||||||||||||||||||||||||
Inner twists
| Char | Parity | Ord | Mult | Type |
|---|---|---|---|---|
| 1.a | even | 1 | 1 | trivial |
| 4.b | odd | 2 | 1 | CM by \(\Q(\sqrt{-1}) \) |
| 29.d | even | 7 | 1 | inner |
| 116.j | odd | 14 | 1 | inner |
Twists
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(3364, [\chi])\):
|
\( T_{3} \)
|
|
\( T_{5}^{6} + 2T_{5}^{5} + 4T_{5}^{4} + 8T_{5}^{3} + 9T_{5}^{2} + 4T_{5} + 1 \)
|
|
\( T_{17}^{3} + T_{17}^{2} - 2T_{17} - 1 \)
|
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( T^{6} + T^{5} + T^{4} + \cdots + 1 \)
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| $3$ |
\( T^{6} \)
|
| $5$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $7$ |
\( T^{6} \)
|
| $11$ |
\( T^{6} \)
|
| $13$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $17$ |
\( (T^{3} + T^{2} - 2 T - 1)^{2} \)
|
| $19$ |
\( T^{6} \)
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| $23$ |
\( T^{6} \)
|
| $29$ |
\( T^{6} \)
|
| $31$ |
\( T^{6} \)
|
| $37$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $41$ |
\( (T^{3} + T^{2} - 2 T - 1)^{2} \)
|
| $43$ |
\( T^{6} \)
|
| $47$ |
\( T^{6} \)
|
| $53$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $59$ |
\( T^{6} \)
|
| $61$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $67$ |
\( T^{6} \)
|
| $71$ |
\( T^{6} \)
|
| $73$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $79$ |
\( T^{6} \)
|
| $83$ |
\( T^{6} \)
|
| $89$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
| $97$ |
\( T^{6} + 2 T^{5} + \cdots + 1 \)
|
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