Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [800,4,Mod(49,800)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(800, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 1, 1]))
N = Newforms(chi, 4, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("800.49");
S:= CuspForms(chi, 4);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 800 = 2^{5} \cdot 5^{2} \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 800.f (of order \(2\), degree \(1\), 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: | \(47.2015280046\) |
Analytic rank: | \(0\) |
Dimension: | \(24\) |
Twist minimal: | no (minimal twist has level 200) |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
49.1 | 0 | −9.63387 | 0 | 0 | 0 | 21.1900i | 0 | 65.8115 | 0 | ||||||||||||||||||
49.2 | 0 | −9.63387 | 0 | 0 | 0 | − | 21.1900i | 0 | 65.8115 | 0 | |||||||||||||||||
49.3 | 0 | −7.69300 | 0 | 0 | 0 | − | 15.6248i | 0 | 32.1823 | 0 | |||||||||||||||||
49.4 | 0 | −7.69300 | 0 | 0 | 0 | 15.6248i | 0 | 32.1823 | 0 | ||||||||||||||||||
49.5 | 0 | −5.31349 | 0 | 0 | 0 | − | 15.7169i | 0 | 1.23319 | 0 | |||||||||||||||||
49.6 | 0 | −5.31349 | 0 | 0 | 0 | 15.7169i | 0 | 1.23319 | 0 | ||||||||||||||||||
49.7 | 0 | −5.16961 | 0 | 0 | 0 | − | 7.07059i | 0 | −0.275157 | 0 | |||||||||||||||||
49.8 | 0 | −5.16961 | 0 | 0 | 0 | 7.07059i | 0 | −0.275157 | 0 | ||||||||||||||||||
49.9 | 0 | −2.73090 | 0 | 0 | 0 | 31.2997i | 0 | −19.5422 | 0 | ||||||||||||||||||
49.10 | 0 | −2.73090 | 0 | 0 | 0 | − | 31.2997i | 0 | −19.5422 | 0 | |||||||||||||||||
49.11 | 0 | −1.26108 | 0 | 0 | 0 | − | 14.2186i | 0 | −25.4097 | 0 | |||||||||||||||||
49.12 | 0 | −1.26108 | 0 | 0 | 0 | 14.2186i | 0 | −25.4097 | 0 | ||||||||||||||||||
49.13 | 0 | 1.26108 | 0 | 0 | 0 | − | 14.2186i | 0 | −25.4097 | 0 | |||||||||||||||||
49.14 | 0 | 1.26108 | 0 | 0 | 0 | 14.2186i | 0 | −25.4097 | 0 | ||||||||||||||||||
49.15 | 0 | 2.73090 | 0 | 0 | 0 | 31.2997i | 0 | −19.5422 | 0 | ||||||||||||||||||
49.16 | 0 | 2.73090 | 0 | 0 | 0 | − | 31.2997i | 0 | −19.5422 | 0 | |||||||||||||||||
49.17 | 0 | 5.16961 | 0 | 0 | 0 | − | 7.07059i | 0 | −0.275157 | 0 | |||||||||||||||||
49.18 | 0 | 5.16961 | 0 | 0 | 0 | 7.07059i | 0 | −0.275157 | 0 | ||||||||||||||||||
49.19 | 0 | 5.31349 | 0 | 0 | 0 | − | 15.7169i | 0 | 1.23319 | 0 | |||||||||||||||||
49.20 | 0 | 5.31349 | 0 | 0 | 0 | 15.7169i | 0 | 1.23319 | 0 | ||||||||||||||||||
See all 24 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.b | even | 2 | 1 | inner |
8.b | even | 2 | 1 | inner |
40.f | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 800.4.f.d | 24 | |
4.b | odd | 2 | 1 | 200.4.f.d | 24 | ||
5.b | even | 2 | 1 | inner | 800.4.f.d | 24 | |
5.c | odd | 4 | 1 | 800.4.d.b | 12 | ||
5.c | odd | 4 | 1 | 800.4.d.c | 12 | ||
8.b | even | 2 | 1 | inner | 800.4.f.d | 24 | |
8.d | odd | 2 | 1 | 200.4.f.d | 24 | ||
20.d | odd | 2 | 1 | 200.4.f.d | 24 | ||
20.e | even | 4 | 1 | 200.4.d.c | ✓ | 12 | |
20.e | even | 4 | 1 | 200.4.d.d | yes | 12 | |
40.e | odd | 2 | 1 | 200.4.f.d | 24 | ||
40.f | even | 2 | 1 | inner | 800.4.f.d | 24 | |
40.i | odd | 4 | 1 | 800.4.d.b | 12 | ||
40.i | odd | 4 | 1 | 800.4.d.c | 12 | ||
40.k | even | 4 | 1 | 200.4.d.c | ✓ | 12 | |
40.k | even | 4 | 1 | 200.4.d.d | yes | 12 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
200.4.d.c | ✓ | 12 | 20.e | even | 4 | 1 | |
200.4.d.c | ✓ | 12 | 40.k | even | 4 | 1 | |
200.4.d.d | yes | 12 | 20.e | even | 4 | 1 | |
200.4.d.d | yes | 12 | 40.k | even | 4 | 1 | |
200.4.f.d | 24 | 4.b | odd | 2 | 1 | ||
200.4.f.d | 24 | 8.d | odd | 2 | 1 | ||
200.4.f.d | 24 | 20.d | odd | 2 | 1 | ||
200.4.f.d | 24 | 40.e | odd | 2 | 1 | ||
800.4.d.b | 12 | 5.c | odd | 4 | 1 | ||
800.4.d.b | 12 | 40.i | odd | 4 | 1 | ||
800.4.d.c | 12 | 5.c | odd | 4 | 1 | ||
800.4.d.c | 12 | 40.i | odd | 4 | 1 | ||
800.4.f.d | 24 | 1.a | even | 1 | 1 | trivial | |
800.4.f.d | 24 | 5.b | even | 2 | 1 | inner | |
800.4.f.d | 24 | 8.b | even | 2 | 1 | inner | |
800.4.f.d | 24 | 40.f | even | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{12} - 216T_{3}^{10} + 16485T_{3}^{8} - 551120T_{3}^{6} + 8086707T_{3}^{4} - 42440280T_{3}^{2} + 49154791 \) acting on \(S_{4}^{\mathrm{new}}(800, [\chi])\).