Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [2940,2,Mod(949,2940)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(2940, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([0, 0, 3, 4]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("2940.949");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 2940 = 2^{2} \cdot 3 \cdot 5 \cdot 7^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 2940.bb (of order \(6\), degree \(2\), 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: | \(23.4760181943\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Relative dimension: | \(16\) over \(\Q(\zeta_{6})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{6}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
949.1 | 0 | −0.866025 | − | 0.500000i | 0 | −1.16836 | + | 1.90655i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.2 | 0 | −0.866025 | − | 0.500000i | 0 | −2.23530 | + | 0.0585577i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.3 | 0 | −0.866025 | − | 0.500000i | 0 | −1.50668 | − | 1.65224i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.4 | 0 | −0.866025 | − | 0.500000i | 0 | −0.902511 | − | 2.04584i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.5 | 0 | −0.866025 | − | 0.500000i | 0 | 2.10044 | − | 0.766909i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.6 | 0 | −0.866025 | − | 0.500000i | 0 | 0.677540 | + | 2.13095i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.7 | 0 | −0.866025 | − | 0.500000i | 0 | 1.71438 | − | 1.43558i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.8 | 0 | −0.866025 | − | 0.500000i | 0 | 1.32050 | + | 1.80452i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.9 | 0 | 0.866025 | + | 0.500000i | 0 | −1.71438 | + | 1.43558i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.10 | 0 | 0.866025 | + | 0.500000i | 0 | 0.902511 | + | 2.04584i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.11 | 0 | 0.866025 | + | 0.500000i | 0 | −2.10044 | + | 0.766909i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.12 | 0 | 0.866025 | + | 0.500000i | 0 | −0.677540 | − | 2.13095i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.13 | 0 | 0.866025 | + | 0.500000i | 0 | 1.50668 | + | 1.65224i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.14 | 0 | 0.866025 | + | 0.500000i | 0 | 1.16836 | − | 1.90655i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.15 | 0 | 0.866025 | + | 0.500000i | 0 | 2.23530 | − | 0.0585577i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
949.16 | 0 | 0.866025 | + | 0.500000i | 0 | −1.32050 | − | 1.80452i | 0 | 0 | 0 | 0.500000 | + | 0.866025i | 0 | ||||||||||||
1549.1 | 0 | −0.866025 | + | 0.500000i | 0 | −1.16836 | − | 1.90655i | 0 | 0 | 0 | 0.500000 | − | 0.866025i | 0 | ||||||||||||
1549.2 | 0 | −0.866025 | + | 0.500000i | 0 | −2.23530 | − | 0.0585577i | 0 | 0 | 0 | 0.500000 | − | 0.866025i | 0 | ||||||||||||
1549.3 | 0 | −0.866025 | + | 0.500000i | 0 | −1.50668 | + | 1.65224i | 0 | 0 | 0 | 0.500000 | − | 0.866025i | 0 | ||||||||||||
1549.4 | 0 | −0.866025 | + | 0.500000i | 0 | −0.902511 | + | 2.04584i | 0 | 0 | 0 | 0.500000 | − | 0.866025i | 0 | ||||||||||||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.b | even | 2 | 1 | inner |
7.b | odd | 2 | 1 | inner |
7.c | even | 3 | 1 | inner |
7.d | odd | 6 | 1 | inner |
35.c | odd | 2 | 1 | inner |
35.i | odd | 6 | 1 | inner |
35.j | even | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 2940.2.bb.j | 32 | |
5.b | even | 2 | 1 | inner | 2940.2.bb.j | 32 | |
7.b | odd | 2 | 1 | inner | 2940.2.bb.j | 32 | |
7.c | even | 3 | 1 | 2940.2.k.h | ✓ | 16 | |
7.c | even | 3 | 1 | inner | 2940.2.bb.j | 32 | |
7.d | odd | 6 | 1 | 2940.2.k.h | ✓ | 16 | |
7.d | odd | 6 | 1 | inner | 2940.2.bb.j | 32 | |
35.c | odd | 2 | 1 | inner | 2940.2.bb.j | 32 | |
35.i | odd | 6 | 1 | 2940.2.k.h | ✓ | 16 | |
35.i | odd | 6 | 1 | inner | 2940.2.bb.j | 32 | |
35.j | even | 6 | 1 | 2940.2.k.h | ✓ | 16 | |
35.j | even | 6 | 1 | inner | 2940.2.bb.j | 32 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
2940.2.k.h | ✓ | 16 | 7.c | even | 3 | 1 | |
2940.2.k.h | ✓ | 16 | 7.d | odd | 6 | 1 | |
2940.2.k.h | ✓ | 16 | 35.i | odd | 6 | 1 | |
2940.2.k.h | ✓ | 16 | 35.j | even | 6 | 1 | |
2940.2.bb.j | 32 | 1.a | even | 1 | 1 | trivial | |
2940.2.bb.j | 32 | 5.b | even | 2 | 1 | inner | |
2940.2.bb.j | 32 | 7.b | odd | 2 | 1 | inner | |
2940.2.bb.j | 32 | 7.c | even | 3 | 1 | inner | |
2940.2.bb.j | 32 | 7.d | odd | 6 | 1 | inner | |
2940.2.bb.j | 32 | 35.c | odd | 2 | 1 | inner | |
2940.2.bb.j | 32 | 35.i | odd | 6 | 1 | inner | |
2940.2.bb.j | 32 | 35.j | even | 6 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2940, [\chi])\):
\( T_{11}^{8} + 36T_{11}^{6} - 32T_{11}^{5} + 1264T_{11}^{4} - 576T_{11}^{3} + 1408T_{11}^{2} + 512T_{11} + 1024 \) |
\( T_{13}^{8} + 76T_{13}^{6} + 1556T_{13}^{4} + 6560T_{13}^{2} + 3136 \) |
\( T_{19}^{16} + 84 T_{19}^{14} + 4652 T_{19}^{12} + 151504 T_{19}^{10} + 3610896 T_{19}^{8} + \cdots + 2517630976 \) |
\( T_{31}^{16} + 148 T_{31}^{14} + 13932 T_{31}^{12} + 813776 T_{31}^{10} + 34984208 T_{31}^{8} + \cdots + 2186423566336 \) |