Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [880,2,Mod(47,880)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(880, base_ring=CyclotomicField(20))
chi = DirichletCharacter(H, H._module([10, 0, 5, 16]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("880.47");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 880 = 2^{4} \cdot 5 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 880.co (of order \(20\), degree \(8\), 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: | \(7.02683537787\) |
Analytic rank: | \(0\) |
Dimension: | \(192\) |
Relative dimension: | \(24\) over \(\Q(\zeta_{20})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{20}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
47.1 | 0 | −1.41714 | + | 2.78130i | 0 | 2.23427 | + | 0.0896165i | 0 | 1.90544 | + | 3.73963i | 0 | −3.96398 | − | 5.45595i | 0 | ||||||||||
47.2 | 0 | −1.33045 | + | 2.61115i | 0 | −1.58357 | + | 1.57870i | 0 | −0.322438 | − | 0.632820i | 0 | −3.28468 | − | 4.52097i | 0 | ||||||||||
47.3 | 0 | −1.18245 | + | 2.32068i | 0 | 0.659089 | + | 2.13673i | 0 | −1.96468 | − | 3.85590i | 0 | −2.22403 | − | 3.06111i | 0 | ||||||||||
47.4 | 0 | −1.04038 | + | 2.04187i | 0 | 2.04850 | − | 0.896456i | 0 | −0.197283 | − | 0.387191i | 0 | −1.32347 | − | 1.82160i | 0 | ||||||||||
47.5 | 0 | −0.990507 | + | 1.94398i | 0 | −1.08955 | − | 1.95266i | 0 | 0.631670 | + | 1.23972i | 0 | −1.03460 | − | 1.42400i | 0 | ||||||||||
47.6 | 0 | −0.801582 | + | 1.57319i | 0 | −1.67845 | − | 1.47743i | 0 | −1.96067 | − | 3.84803i | 0 | −0.0690469 | − | 0.0950349i | 0 | ||||||||||
47.7 | 0 | −0.783847 | + | 1.53839i | 0 | −1.35150 | + | 1.78141i | 0 | 0.875451 | + | 1.71817i | 0 | 0.0111394 | + | 0.0153321i | 0 | ||||||||||
47.8 | 0 | −0.619906 | + | 1.21663i | 0 | 0.711828 | − | 2.11974i | 0 | −1.12045 | − | 2.19901i | 0 | 0.667441 | + | 0.918653i | 0 | ||||||||||
47.9 | 0 | −0.462768 | + | 0.908233i | 0 | −1.40636 | + | 1.73844i | 0 | 2.34769 | + | 4.60760i | 0 | 1.15262 | + | 1.58645i | 0 | ||||||||||
47.10 | 0 | −0.328292 | + | 0.644308i | 0 | 1.53607 | + | 1.62496i | 0 | −0.679425 | − | 1.33345i | 0 | 1.45600 | + | 2.00401i | 0 | ||||||||||
47.11 | 0 | −0.139851 | + | 0.274472i | 0 | −2.20029 | − | 0.398397i | 0 | 0.338043 | + | 0.663447i | 0 | 1.70758 | + | 2.35028i | 0 | ||||||||||
47.12 | 0 | −0.0581806 | + | 0.114186i | 0 | 2.03218 | − | 0.932875i | 0 | 0.790318 | + | 1.55109i | 0 | 1.75370 | + | 2.41376i | 0 | ||||||||||
47.13 | 0 | 0.0581806 | − | 0.114186i | 0 | 2.03218 | − | 0.932875i | 0 | −0.790318 | − | 1.55109i | 0 | 1.75370 | + | 2.41376i | 0 | ||||||||||
47.14 | 0 | 0.139851 | − | 0.274472i | 0 | −2.20029 | − | 0.398397i | 0 | −0.338043 | − | 0.663447i | 0 | 1.70758 | + | 2.35028i | 0 | ||||||||||
47.15 | 0 | 0.328292 | − | 0.644308i | 0 | 1.53607 | + | 1.62496i | 0 | 0.679425 | + | 1.33345i | 0 | 1.45600 | + | 2.00401i | 0 | ||||||||||
47.16 | 0 | 0.462768 | − | 0.908233i | 0 | −1.40636 | + | 1.73844i | 0 | −2.34769 | − | 4.60760i | 0 | 1.15262 | + | 1.58645i | 0 | ||||||||||
47.17 | 0 | 0.619906 | − | 1.21663i | 0 | 0.711828 | − | 2.11974i | 0 | 1.12045 | + | 2.19901i | 0 | 0.667441 | + | 0.918653i | 0 | ||||||||||
47.18 | 0 | 0.783847 | − | 1.53839i | 0 | −1.35150 | + | 1.78141i | 0 | −0.875451 | − | 1.71817i | 0 | 0.0111394 | + | 0.0153321i | 0 | ||||||||||
47.19 | 0 | 0.801582 | − | 1.57319i | 0 | −1.67845 | − | 1.47743i | 0 | 1.96067 | + | 3.84803i | 0 | −0.0690469 | − | 0.0950349i | 0 | ||||||||||
47.20 | 0 | 0.990507 | − | 1.94398i | 0 | −1.08955 | − | 1.95266i | 0 | −0.631670 | − | 1.23972i | 0 | −1.03460 | − | 1.42400i | 0 | ||||||||||
See next 80 embeddings (of 192 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
4.b | odd | 2 | 1 | inner |
5.c | odd | 4 | 1 | inner |
11.c | even | 5 | 1 | inner |
20.e | even | 4 | 1 | inner |
44.h | odd | 10 | 1 | inner |
55.k | odd | 20 | 1 | inner |
220.v | even | 20 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 880.2.co.b | ✓ | 192 |
4.b | odd | 2 | 1 | inner | 880.2.co.b | ✓ | 192 |
5.c | odd | 4 | 1 | inner | 880.2.co.b | ✓ | 192 |
11.c | even | 5 | 1 | inner | 880.2.co.b | ✓ | 192 |
20.e | even | 4 | 1 | inner | 880.2.co.b | ✓ | 192 |
44.h | odd | 10 | 1 | inner | 880.2.co.b | ✓ | 192 |
55.k | odd | 20 | 1 | inner | 880.2.co.b | ✓ | 192 |
220.v | even | 20 | 1 | inner | 880.2.co.b | ✓ | 192 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
880.2.co.b | ✓ | 192 | 1.a | even | 1 | 1 | trivial |
880.2.co.b | ✓ | 192 | 4.b | odd | 2 | 1 | inner |
880.2.co.b | ✓ | 192 | 5.c | odd | 4 | 1 | inner |
880.2.co.b | ✓ | 192 | 11.c | even | 5 | 1 | inner |
880.2.co.b | ✓ | 192 | 20.e | even | 4 | 1 | inner |
880.2.co.b | ✓ | 192 | 44.h | odd | 10 | 1 | inner |
880.2.co.b | ✓ | 192 | 55.k | odd | 20 | 1 | inner |
880.2.co.b | ✓ | 192 | 220.v | even | 20 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{192} - 368 T_{3}^{188} + 75898 T_{3}^{184} - 11772098 T_{3}^{180} + 1543949087 T_{3}^{176} + \cdots + 70\!\cdots\!76 \) acting on \(S_{2}^{\mathrm{new}}(880, [\chi])\).