Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [3267,2,Mod(1,3267)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3267, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([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("3267.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | |||
Weight: | |||
Character orbit: | 3267.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: | |
Analytic rank: | |
Dimension: | |
Coefficient field: | 3.3.321.1 |
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
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Defining polynomial: |
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Coefficient ring: | |
Coefficient ring index: | |
Twist minimal: | yes |
Fricke sign: | |
Sato-Tate group: |
-expansion
comment: q-expansion
sage: f.q_expansion() # note that sage often uses an isomorphic number field
gp: mfcoefs(f, 20)
Coefficients of the -expansion are expressed in terms of a basis for the coefficient ring described below. We also show the integral -expansion of the trace form.
Basis of coefficient ring in terms of a root of
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Embeddings
For each embedding of the coefficient field, the values 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 | |||||||||||||||||||||||||||||||||||||
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1.1 |
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−2.46050 | 0 | 4.05408 | −0.406421 | 0 | 3.05408 | −5.05408 | 0 | 1.00000 | |||||||||||||||||||||||||||
1.2 | −0.239123 | 0 | −1.94282 | −4.18194 | 0 | −2.94282 | 0.942820 | 0 | 1.00000 | ||||||||||||||||||||||||||||
1.3 | 1.69963 | 0 | 0.888736 | 0.588364 | 0 | −0.111264 | −1.88874 | 0 | 1.00000 | ||||||||||||||||||||||||||||
Atkin-Lehner signs
Sign | |
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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 | 3267.2.a.r | ✓ | 3 |
3.b | odd | 2 | 1 | 3267.2.a.v | yes | 3 | |
11.b | odd | 2 | 1 | 3267.2.a.u | yes | 3 | |
33.d | even | 2 | 1 | 3267.2.a.s | yes | 3 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
3267.2.a.r | ✓ | 3 | 1.a | even | 1 | 1 | trivial |
3267.2.a.s | yes | 3 | 33.d | even | 2 | 1 | |
3267.2.a.u | yes | 3 | 11.b | odd | 2 | 1 | |
3267.2.a.v | yes | 3 | 3.b | odd | 2 | 1 |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on :
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