Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [840,2,Mod(67,840)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(840, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([6, 6, 0, 3, 8]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("840.67");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 840 = 2^{3} \cdot 3 \cdot 5 \cdot 7 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 840.dj (of order \(12\), degree \(4\), 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: | \(6.70743376979\) |
Analytic rank: | \(0\) |
Dimension: | \(384\) |
Relative dimension: | \(96\) over \(\Q(\zeta_{12})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{12}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
67.1 | −1.41408 | − | 0.0192981i | −0.258819 | − | 0.965926i | 1.99926 | + | 0.0545782i | 2.22573 | − | 0.214778i | 0.347351 | + | 1.37089i | −1.50990 | + | 2.17261i | −2.82606 | − | 0.115760i | −0.866025 | + | 0.500000i | −3.15151 | + | 0.260761i |
67.2 | −1.41382 | + | 0.0334109i | 0.258819 | + | 0.965926i | 1.99777 | − | 0.0944738i | −2.23600 | − | 0.0172139i | −0.398196 | − | 1.35700i | −0.205532 | + | 2.63776i | −2.82132 | + | 0.200316i | −0.866025 | + | 0.500000i | 3.16188 | − | 0.0503694i |
67.3 | −1.41188 | − | 0.0812078i | −0.258819 | − | 0.965926i | 1.98681 | + | 0.229311i | 1.69040 | + | 1.46374i | 0.286981 | + | 1.38479i | 2.19039 | − | 1.48397i | −2.78652 | − | 0.485105i | −0.866025 | + | 0.500000i | −2.26778 | − | 2.20390i |
67.4 | −1.39768 | − | 0.215604i | 0.258819 | + | 0.965926i | 1.90703 | + | 0.602691i | 2.18489 | − | 0.475643i | −0.153490 | − | 1.40586i | −1.12127 | − | 2.39641i | −2.53548 | − | 1.25353i | −0.866025 | + | 0.500000i | −3.15634 | + | 0.193727i |
67.5 | −1.39332 | − | 0.242198i | −0.258819 | − | 0.965926i | 1.88268 | + | 0.674918i | −0.367757 | + | 2.20562i | 0.126673 | + | 1.40853i | −2.12477 | + | 1.57650i | −2.45971 | − | 1.39636i | −0.866025 | + | 0.500000i | 1.04660 | − | 2.98406i |
67.6 | −1.38791 | − | 0.271509i | 0.258819 | + | 0.965926i | 1.85257 | + | 0.753658i | −0.498146 | − | 2.17987i | −0.0969588 | − | 1.41089i | 2.58171 | − | 0.578616i | −2.36656 | − | 1.54900i | −0.866025 | + | 0.500000i | 0.0995247 | + | 3.16071i |
67.7 | −1.38776 | + | 0.272231i | −0.258819 | − | 0.965926i | 1.85178 | − | 0.755586i | −2.03276 | − | 0.931608i | 0.622135 | + | 1.27002i | −2.39798 | − | 1.11791i | −2.36414 | + | 1.55269i | −0.866025 | + | 0.500000i | 3.07460 | + | 0.739472i |
67.8 | −1.36225 | + | 0.379830i | 0.258819 | + | 0.965926i | 1.71146 | − | 1.03485i | 0.307776 | + | 2.21479i | −0.719464 | − | 1.21753i | 2.15031 | + | 1.54148i | −1.93837 | + | 2.05979i | −0.866025 | + | 0.500000i | −1.26051 | − | 2.90019i |
67.9 | −1.35272 | − | 0.412486i | −0.258819 | − | 0.965926i | 1.65971 | + | 1.11596i | −1.64065 | − | 1.51930i | −0.0483206 | + | 1.41339i | 1.93754 | − | 1.80165i | −1.78481 | − | 2.19419i | −0.866025 | + | 0.500000i | 1.59265 | + | 2.73193i |
67.10 | −1.33895 | − | 0.455217i | 0.258819 | + | 0.965926i | 1.58555 | + | 1.21902i | −0.0786846 | + | 2.23468i | 0.0931615 | − | 1.41114i | −0.594257 | − | 2.57815i | −1.56805 | − | 2.35398i | −0.866025 | + | 0.500000i | 1.12262 | − | 2.95630i |
67.11 | −1.31447 | + | 0.521709i | 0.258819 | + | 0.965926i | 1.45564 | − | 1.37154i | 0.864867 | − | 2.06204i | −0.844141 | − | 1.13465i | −2.57785 | + | 0.595553i | −1.19784 | + | 2.56226i | −0.866025 | + | 0.500000i | −0.0610528 | + | 3.16169i |
67.12 | −1.31097 | + | 0.530434i | −0.258819 | − | 0.965926i | 1.43728 | − | 1.39076i | −1.06883 | + | 1.96408i | 0.851663 | + | 1.12901i | 2.59441 | + | 0.518672i | −1.14652 | + | 2.58563i | −0.866025 | + | 0.500000i | 0.359390 | − | 3.14179i |
67.13 | −1.30781 | + | 0.538179i | 0.258819 | + | 0.965926i | 1.42073 | − | 1.40767i | −2.22955 | − | 0.170648i | −0.858327 | − | 1.12395i | 0.923812 | − | 2.47923i | −1.10046 | + | 2.60557i | −0.866025 | + | 0.500000i | 3.00766 | − | 0.976721i |
67.14 | −1.27612 | + | 0.609523i | −0.258819 | − | 0.965926i | 1.25696 | − | 1.55565i | 1.98820 | + | 1.02326i | 0.919038 | + | 1.07488i | −0.742316 | − | 2.53948i | −0.655835 | + | 2.75134i | −0.866025 | + | 0.500000i | −3.16088 | − | 0.0939436i |
67.15 | −1.22888 | − | 0.699897i | 0.258819 | + | 0.965926i | 1.02029 | + | 1.72018i | 1.30129 | + | 1.81842i | 0.357992 | − | 1.36815i | 1.49266 | + | 2.18448i | −0.0498606 | − | 2.82799i | −0.866025 | + | 0.500000i | −0.326425 | − | 3.14539i |
67.16 | −1.20530 | − | 0.739767i | 0.258819 | + | 0.965926i | 0.905490 | + | 1.78328i | 0.248009 | − | 2.22227i | 0.402606 | − | 1.35569i | −0.660700 | + | 2.56193i | 0.227825 | − | 2.81924i | −0.866025 | + | 0.500000i | −1.94289 | + | 2.49503i |
67.17 | −1.19136 | + | 0.762012i | 0.258819 | + | 0.965926i | 0.838675 | − | 1.81566i | 1.67469 | − | 1.48169i | −1.04439 | − | 0.953542i | 2.57507 | + | 0.607466i | 0.384392 | + | 2.80219i | −0.866025 | + | 0.500000i | −0.866099 | + | 3.04136i |
67.18 | −1.18076 | − | 0.778329i | −0.258819 | − | 0.965926i | 0.788408 | + | 1.83805i | 1.09264 | − | 1.95093i | −0.446204 | + | 1.34198i | −0.274484 | − | 2.63147i | 0.499681 | − | 2.78394i | −0.866025 | + | 0.500000i | −2.80862 | + | 1.45316i |
67.19 | −1.14884 | − | 0.824726i | −0.258819 | − | 0.965926i | 0.639654 | + | 1.89495i | 2.02758 | − | 0.942830i | −0.499283 | + | 1.32315i | 1.69518 | + | 2.03134i | 0.827958 | − | 2.70453i | −0.866025 | + | 0.500000i | −3.10693 | − | 0.589039i |
67.20 | −1.11658 | − | 0.867894i | 0.258819 | + | 0.965926i | 0.493520 | + | 1.93815i | −1.81636 | − | 1.30416i | 0.549328 | − | 1.30316i | −2.24581 | − | 1.39869i | 1.13105 | − | 2.59243i | −0.866025 | + | 0.500000i | 0.896246 | + | 3.03261i |
See next 80 embeddings (of 384 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.c | odd | 4 | 1 | inner |
7.c | even | 3 | 1 | inner |
8.d | odd | 2 | 1 | inner |
35.l | odd | 12 | 1 | inner |
40.k | even | 4 | 1 | inner |
56.k | odd | 6 | 1 | inner |
280.br | even | 12 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 840.2.dj.a | ✓ | 384 |
5.c | odd | 4 | 1 | inner | 840.2.dj.a | ✓ | 384 |
7.c | even | 3 | 1 | inner | 840.2.dj.a | ✓ | 384 |
8.d | odd | 2 | 1 | inner | 840.2.dj.a | ✓ | 384 |
35.l | odd | 12 | 1 | inner | 840.2.dj.a | ✓ | 384 |
40.k | even | 4 | 1 | inner | 840.2.dj.a | ✓ | 384 |
56.k | odd | 6 | 1 | inner | 840.2.dj.a | ✓ | 384 |
280.br | even | 12 | 1 | inner | 840.2.dj.a | ✓ | 384 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
840.2.dj.a | ✓ | 384 | 1.a | even | 1 | 1 | trivial |
840.2.dj.a | ✓ | 384 | 5.c | odd | 4 | 1 | inner |
840.2.dj.a | ✓ | 384 | 7.c | even | 3 | 1 | inner |
840.2.dj.a | ✓ | 384 | 8.d | odd | 2 | 1 | inner |
840.2.dj.a | ✓ | 384 | 35.l | odd | 12 | 1 | inner |
840.2.dj.a | ✓ | 384 | 40.k | even | 4 | 1 | inner |
840.2.dj.a | ✓ | 384 | 56.k | odd | 6 | 1 | inner |
840.2.dj.a | ✓ | 384 | 280.br | even | 12 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(840, [\chi])\).