Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [3808,1,Mod(3569,3808)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3808, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 1, 1, 1]))
N = Newforms(chi, 1, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("3808.3569");
S:= CuspForms(chi, 1);
N := Newforms(S);
Level: | |||
Weight: | |||
Character orbit: | 3808.e (of order , degree , 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: | |
Analytic rank: | |
Dimension: | |
Coefficient field: | |
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 952) |
Projective image: | |
Projective field: | Galois closure of 10.2.6571095523328.1 |
-expansion
comment: q-expansion
sage: f.q_expansion() # note that sage often uses an isomorphic number field
gp: mfcoefs(f, 20)
The -expansion and trace form are shown below.
Character values
We give the values of on generators for .
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 | ||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3569.1 |
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0 | − | 1.90211i | 0 | 1.17557i | 0 | 1.00000 | 0 | −2.61803 | 0 | |||||||||||||||||||||||||||||
3569.2 | 0 | − | 1.17557i | 0 | − | 1.90211i | 0 | 1.00000 | 0 | −0.381966 | 0 | |||||||||||||||||||||||||||||
3569.3 | 0 | 1.17557i | 0 | 1.90211i | 0 | 1.00000 | 0 | −0.381966 | 0 | |||||||||||||||||||||||||||||||
3569.4 | 0 | 1.90211i | 0 | − | 1.17557i | 0 | 1.00000 | 0 | −2.61803 | 0 | ||||||||||||||||||||||||||||||
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
119.d | odd | 2 | 1 | CM by |
8.b | even | 2 | 1 | inner |
952.e | odd | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 3808.1.e.d | 4 | |
4.b | odd | 2 | 1 | 952.1.e.d | yes | 4 | |
7.b | odd | 2 | 1 | 3808.1.e.c | 4 | ||
8.b | even | 2 | 1 | inner | 3808.1.e.d | 4 | |
8.d | odd | 2 | 1 | 952.1.e.d | yes | 4 | |
17.b | even | 2 | 1 | 3808.1.e.c | 4 | ||
28.d | even | 2 | 1 | 952.1.e.c | ✓ | 4 | |
56.e | even | 2 | 1 | 952.1.e.c | ✓ | 4 | |
56.h | odd | 2 | 1 | 3808.1.e.c | 4 | ||
68.d | odd | 2 | 1 | 952.1.e.c | ✓ | 4 | |
119.d | odd | 2 | 1 | CM | 3808.1.e.d | 4 | |
136.e | odd | 2 | 1 | 952.1.e.c | ✓ | 4 | |
136.h | even | 2 | 1 | 3808.1.e.c | 4 | ||
476.e | even | 2 | 1 | 952.1.e.d | yes | 4 | |
952.e | odd | 2 | 1 | inner | 3808.1.e.d | 4 | |
952.k | even | 2 | 1 | 952.1.e.d | yes | 4 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
952.1.e.c | ✓ | 4 | 28.d | even | 2 | 1 | |
952.1.e.c | ✓ | 4 | 56.e | even | 2 | 1 | |
952.1.e.c | ✓ | 4 | 68.d | odd | 2 | 1 | |
952.1.e.c | ✓ | 4 | 136.e | odd | 2 | 1 | |
952.1.e.d | yes | 4 | 4.b | odd | 2 | 1 | |
952.1.e.d | yes | 4 | 8.d | odd | 2 | 1 | |
952.1.e.d | yes | 4 | 476.e | even | 2 | 1 | |
952.1.e.d | yes | 4 | 952.k | even | 2 | 1 | |
3808.1.e.c | 4 | 7.b | odd | 2 | 1 | ||
3808.1.e.c | 4 | 17.b | even | 2 | 1 | ||
3808.1.e.c | 4 | 56.h | odd | 2 | 1 | ||
3808.1.e.c | 4 | 136.h | even | 2 | 1 | ||
3808.1.e.d | 4 | 1.a | even | 1 | 1 | trivial | |
3808.1.e.d | 4 | 8.b | even | 2 | 1 | inner | |
3808.1.e.d | 4 | 119.d | odd | 2 | 1 | CM | |
3808.1.e.d | 4 | 952.e | odd | 2 | 1 | inner |
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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