Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [828,2,Mod(7,828)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(828, base_ring=CyclotomicField(66))
chi = DirichletCharacter(H, H._module([33, 44, 57]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("828.7");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 828 = 2^{2} \cdot 3^{2} \cdot 23 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 828.bc (of order \(66\), degree \(20\), 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: | \(6.61161328736\) |
Analytic rank: | \(0\) |
Dimension: | \(2800\) |
Relative dimension: | \(140\) over \(\Q(\zeta_{66})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{66}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
7.1 | −1.41378 | − | 0.0349503i | 0.879752 | + | 1.49199i | 1.99756 | + | 0.0988242i | 3.58986 | + | 2.55633i | −1.19163 | − | 2.14010i | 1.10213 | − | 4.54304i | −2.82066 | − | 0.209531i | −1.45207 | + | 2.62516i | −4.98593 | − | 3.73955i |
7.2 | −1.41333 | + | 0.0498581i | −1.63313 | − | 0.576962i | 1.99503 | − | 0.140932i | 2.13191 | + | 1.51813i | 2.33693 | + | 0.734016i | −0.181224 | + | 0.747014i | −2.81262 | + | 0.298653i | 2.33423 | + | 1.88451i | −3.08879 | − | 2.03933i |
7.3 | −1.41307 | + | 0.0567420i | 0.952273 | + | 1.44678i | 1.99356 | − | 0.160361i | −2.29028 | − | 1.63090i | −1.42773 | − | 1.99038i | 0.425048 | − | 1.75207i | −2.80795 | + | 0.339721i | −1.18635 | + | 2.75546i | 3.32887 | + | 2.17463i |
7.4 | −1.41271 | − | 0.0651497i | −1.45418 | + | 0.940936i | 1.99151 | + | 0.184076i | 1.59544 | + | 1.13611i | 2.11564 | − | 1.23453i | −0.222022 | + | 0.915188i | −2.80144 | − | 0.389792i | 1.22928 | − | 2.73658i | −2.17988 | − | 1.70894i |
7.5 | −1.41107 | − | 0.0942838i | 0.897019 | − | 1.48167i | 1.98222 | + | 0.266082i | 2.23100 | + | 1.58869i | −1.40545 | + | 2.00617i | −0.735480 | + | 3.03169i | −2.77196 | − | 0.562350i | −1.39071 | − | 2.65818i | −2.99831 | − | 2.45210i |
7.6 | −1.40973 | − | 0.112564i | −0.254837 | + | 1.71320i | 1.97466 | + | 0.317369i | −1.92549 | − | 1.37113i | 0.552095 | − | 2.38646i | −1.16890 | + | 4.81827i | −2.74800 | − | 0.669679i | −2.87012 | − | 0.873173i | 2.56007 | + | 2.14966i |
7.7 | −1.40499 | − | 0.161213i | 1.15882 | − | 1.28730i | 1.94802 | + | 0.453007i | 0.518240 | + | 0.369037i | −1.83567 | + | 1.62183i | 0.972868 | − | 4.01022i | −2.66393 | − | 0.950519i | −0.314267 | − | 2.98349i | −0.668631 | − | 0.602042i |
7.8 | −1.40293 | + | 0.178259i | −0.305651 | − | 1.70487i | 1.93645 | − | 0.500171i | −2.46845 | − | 1.75778i | 0.732716 | + | 2.33733i | −0.312606 | + | 1.28858i | −2.62755 | + | 1.04690i | −2.81316 | + | 1.04219i | 3.77642 | + | 2.02602i |
7.9 | −1.40161 | − | 0.188397i | 1.72568 | − | 0.148373i | 1.92901 | + | 0.528117i | −0.503255 | − | 0.358366i | −2.44669 | − | 0.117153i | −0.0226963 | + | 0.0935555i | −2.60423 | − | 1.10363i | 2.95597 | − | 0.512088i | 0.637852 | + | 0.597101i |
7.10 | −1.38227 | + | 0.298859i | −1.28953 | + | 1.15634i | 1.82137 | − | 0.826210i | 0.199061 | + | 0.141751i | 1.43690 | − | 1.98376i | 0.636225 | − | 2.62255i | −2.27071 | + | 1.68638i | 0.325777 | − | 2.98226i | −0.317521 | − | 0.136448i |
7.11 | −1.37475 | + | 0.331740i | 1.69049 | + | 0.377145i | 1.77990 | − | 0.912121i | 1.84506 | + | 1.31386i | −2.44912 | + | 0.0423209i | −0.644505 | + | 2.65669i | −2.14434 | + | 1.84440i | 2.71552 | + | 1.27512i | −2.97237 | − | 1.19416i |
7.12 | −1.36251 | + | 0.378916i | −1.71392 | − | 0.249964i | 1.71285 | − | 1.03255i | −2.37058 | − | 1.68808i | 2.42994 | − | 0.308853i | −0.415469 | + | 1.71258i | −1.94251 | + | 2.05588i | 2.87504 | + | 0.856836i | 3.86957 | + | 1.40177i |
7.13 | −1.34732 | − | 0.429788i | −1.34777 | + | 1.08789i | 1.63057 | + | 1.15813i | −3.17290 | − | 2.25941i | 2.28345 | − | 0.886492i | 0.934274 | − | 3.85113i | −1.69915 | − | 2.26117i | 0.632971 | − | 2.93246i | 3.30386 | + | 4.40784i |
7.14 | −1.34580 | + | 0.434530i | 1.59703 | − | 0.670443i | 1.62237 | − | 1.16958i | −2.36401 | − | 1.68340i | −1.85796 | + | 1.59624i | −0.562009 | + | 2.31663i | −1.67517 | + | 2.27899i | 2.10101 | − | 2.14144i | 3.91297 | + | 1.23829i |
7.15 | −1.34119 | + | 0.448564i | 0.287118 | − | 1.70809i | 1.59758 | − | 1.20322i | 0.338060 | + | 0.240732i | 0.381106 | + | 2.41966i | 0.592868 | − | 2.44384i | −1.60294 | + | 2.33036i | −2.83513 | − | 0.980846i | −0.561386 | − | 0.171225i |
7.16 | −1.31972 | − | 0.508266i | −1.07230 | − | 1.36021i | 1.48333 | + | 1.34154i | −1.29077 | − | 0.919151i | 0.723792 | + | 2.34011i | 0.955331 | − | 3.93793i | −1.27573 | − | 2.52439i | −0.700337 | + | 2.91711i | 1.23628 | + | 1.86908i |
7.17 | −1.31526 | − | 0.519713i | 1.72096 | + | 0.195659i | 1.45980 | + | 1.36711i | −0.287396 | − | 0.204654i | −2.16182 | − | 1.15175i | 0.481166 | − | 1.98339i | −1.20950 | − | 2.55678i | 2.92343 | + | 0.673446i | 0.271638 | + | 0.418536i |
7.18 | −1.31208 | + | 0.527684i | 0.0176969 | + | 1.73196i | 1.44310 | − | 1.38473i | −0.621476 | − | 0.442551i | −0.937148 | − | 2.26313i | 0.0952313 | − | 0.392549i | −1.16276 | + | 2.57837i | −2.99937 | + | 0.0613006i | 1.04895 | + | 0.252718i |
7.19 | −1.30675 | + | 0.540750i | −0.928423 | − | 1.46220i | 1.41518 | − | 1.41325i | 2.61476 | + | 1.86196i | 2.00390 | + | 1.40868i | 0.489950 | − | 2.01960i | −1.08507 | + | 2.61202i | −1.27606 | + | 2.71508i | −4.42369 | − | 1.01918i |
7.20 | −1.28682 | − | 0.586596i | −0.683111 | + | 1.59165i | 1.31181 | + | 1.50969i | 1.55644 | + | 1.10834i | 1.81270 | − | 1.64746i | −0.0487718 | + | 0.201040i | −0.802485 | − | 2.71220i | −2.06672 | − | 2.17455i | −1.35271 | − | 2.33923i |
See next 80 embeddings (of 2800 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
4.b | odd | 2 | 1 | inner |
9.c | even | 3 | 1 | inner |
23.d | odd | 22 | 1 | inner |
36.f | odd | 6 | 1 | inner |
92.h | even | 22 | 1 | inner |
207.p | odd | 66 | 1 | inner |
828.bc | even | 66 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 828.2.bc.a | ✓ | 2800 |
4.b | odd | 2 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
9.c | even | 3 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
23.d | odd | 22 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
36.f | odd | 6 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
92.h | even | 22 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
207.p | odd | 66 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
828.bc | even | 66 | 1 | inner | 828.2.bc.a | ✓ | 2800 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
828.2.bc.a | ✓ | 2800 | 1.a | even | 1 | 1 | trivial |
828.2.bc.a | ✓ | 2800 | 4.b | odd | 2 | 1 | inner |
828.2.bc.a | ✓ | 2800 | 9.c | even | 3 | 1 | inner |
828.2.bc.a | ✓ | 2800 | 23.d | odd | 22 | 1 | inner |
828.2.bc.a | ✓ | 2800 | 36.f | odd | 6 | 1 | inner |
828.2.bc.a | ✓ | 2800 | 92.h | even | 22 | 1 | inner |
828.2.bc.a | ✓ | 2800 | 207.p | odd | 66 | 1 | inner |
828.2.bc.a | ✓ | 2800 | 828.bc | even | 66 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(828, [\chi])\).