Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [1449,2,Mod(1,1449)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1449, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 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("1449.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | |||
Weight: | |||
Character orbit: | 1449.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: | 4.4.24197.1 |
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: | no (minimal twist has level 483) |
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
:
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 | ||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1.1 |
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−2.27460 | 0 | 3.17380 | −2.39532 | 0 | 1.00000 | −2.66992 | 0 | 5.44840 | ||||||||||||||||||||||||||||||
1.2 | −0.700017 | 0 | −1.50998 | 1.15706 | 0 | 1.00000 | 2.45704 | 0 | −0.809960 | |||||||||||||||||||||||||||||||
1.3 | 0.509552 | 0 | −1.74036 | −4.41546 | 0 | 1.00000 | −1.90591 | 0 | −2.24991 | |||||||||||||||||||||||||||||||
1.4 | 2.46506 | 0 | 4.07653 | 0.653724 | 0 | 1.00000 | 5.11879 | 0 | 1.61147 | |||||||||||||||||||||||||||||||
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 | 1449.2.a.p | 4 | |
3.b | odd | 2 | 1 | 483.2.a.i | ✓ | 4 | |
12.b | even | 2 | 1 | 7728.2.a.cd | 4 | ||
21.c | even | 2 | 1 | 3381.2.a.w | 4 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
483.2.a.i | ✓ | 4 | 3.b | odd | 2 | 1 | |
1449.2.a.p | 4 | 1.a | even | 1 | 1 | trivial | |
3381.2.a.w | 4 | 21.c | even | 2 | 1 | ||
7728.2.a.cd | 4 | 12.b | even | 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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