Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [882,2,Mod(41,882)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(882, base_ring=CyclotomicField(42))
chi = DirichletCharacter(H, H._module([35, 15]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("882.41");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 882 = 2 \cdot 3^{2} \cdot 7^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 882.bj (of order \(42\), degree \(12\), 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: | \(7.04280545828\) |
Analytic rank: | \(0\) |
Dimension: | \(672\) |
Relative dimension: | \(56\) over \(\Q(\zeta_{42})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{42}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
41.1 | −0.930874 | − | 0.365341i | −1.72742 | + | 0.126511i | 0.733052 | + | 0.680173i | −0.121526 | + | 1.62165i | 1.65423 | + | 0.513334i | 0.109858 | − | 2.64347i | −0.433884 | − | 0.900969i | 2.96799 | − | 0.437075i | 0.705578 | − | 1.46515i |
41.2 | −0.930874 | − | 0.365341i | −1.70201 | − | 0.321175i | 0.733052 | + | 0.680173i | 0.280353 | − | 3.74105i | 1.46702 | + | 0.920788i | −2.35509 | + | 1.20563i | −0.433884 | − | 0.900969i | 2.79369 | + | 1.09329i | −1.62773 | + | 3.38002i |
41.3 | −0.930874 | − | 0.365341i | −1.61964 | − | 0.613814i | 0.733052 | + | 0.680173i | 0.157894 | − | 2.10695i | 1.28343 | + | 1.16310i | 2.64331 | − | 0.113717i | −0.433884 | − | 0.900969i | 2.24646 | + | 1.98832i | −0.916737 | + | 1.90362i |
41.4 | −0.930874 | − | 0.365341i | −1.60605 | + | 0.648546i | 0.733052 | + | 0.680173i | −0.0940075 | + | 1.25444i | 1.73197 | − | 0.0169594i | −2.57110 | − | 0.624050i | −0.433884 | − | 0.900969i | 2.15878 | − | 2.08319i | 0.545809 | − | 1.13338i |
41.5 | −0.930874 | − | 0.365341i | −1.56662 | + | 0.738707i | 0.733052 | + | 0.680173i | 0.000265561 | − | 0.00354366i | 1.72821 | − | 0.115290i | 1.54355 | + | 2.14883i | −0.433884 | − | 0.900969i | 1.90863 | − | 2.31455i | −0.00154185 | + | 0.00320168i |
41.6 | −0.930874 | − | 0.365341i | −1.37774 | − | 1.04968i | 0.733052 | + | 0.680173i | −0.249578 | + | 3.33038i | 0.899017 | + | 1.48046i | −0.0799807 | + | 2.64454i | −0.433884 | − | 0.900969i | 0.796362 | + | 2.89237i | 1.44905 | − | 3.00898i |
41.7 | −0.930874 | − | 0.365341i | −1.27448 | − | 1.17290i | 0.733052 | + | 0.680173i | 0.139930 | − | 1.86724i | 0.757873 | + | 1.55744i | −0.987094 | − | 2.45472i | −0.433884 | − | 0.900969i | 0.248608 | + | 2.98968i | −0.812438 | + | 1.68704i |
41.8 | −0.930874 | − | 0.365341i | −1.10194 | − | 1.33631i | 0.733052 | + | 0.680173i | −0.0832983 | + | 1.11154i | 0.537563 | + | 1.64652i | 2.61990 | + | 0.368923i | −0.433884 | − | 0.900969i | −0.571436 | + | 2.94507i | 0.483631 | − | 1.00427i |
41.9 | −0.930874 | − | 0.365341i | −0.884580 | + | 1.48913i | 0.733052 | + | 0.680173i | 0.0893189 | − | 1.19188i | 1.36747 | − | 1.06302i | 2.22662 | + | 1.42904i | −0.433884 | − | 0.900969i | −1.43504 | − | 2.63452i | −0.518586 | + | 1.07686i |
41.10 | −0.930874 | − | 0.365341i | −0.852620 | + | 1.50766i | 0.733052 | + | 0.680173i | −0.303428 | + | 4.04896i | 1.34449 | − | 1.09194i | −2.21880 | + | 1.44116i | −0.433884 | − | 0.900969i | −1.54608 | − | 2.57092i | 1.76170 | − | 3.65822i |
41.11 | −0.930874 | − | 0.365341i | −0.830646 | − | 1.51988i | 0.733052 | + | 0.680173i | −0.0709640 | + | 0.946948i | 0.217953 | + | 1.71828i | −2.55055 | + | 0.703332i | −0.433884 | − | 0.900969i | −1.62005 | + | 2.52496i | 0.412018 | − | 0.855563i |
41.12 | −0.930874 | − | 0.365341i | −0.616235 | + | 1.61872i | 0.733052 | + | 0.680173i | 0.295819 | − | 3.94743i | 1.16502 | − | 1.28169i | −2.17832 | + | 1.50165i | −0.433884 | − | 0.900969i | −2.24051 | − | 1.99502i | −1.71753 | + | 3.56648i |
41.13 | −0.930874 | − | 0.365341i | −0.484260 | + | 1.66298i | 0.733052 | + | 0.680173i | −0.225510 | + | 3.00922i | 1.05834 | − | 1.37110i | 1.50363 | − | 2.17695i | −0.433884 | − | 0.900969i | −2.53099 | − | 1.61063i | 1.30931 | − | 2.71881i |
41.14 | −0.930874 | − | 0.365341i | −0.176138 | − | 1.72307i | 0.733052 | + | 0.680173i | 0.171092 | − | 2.28306i | −0.465546 | + | 1.66831i | −0.657295 | + | 2.56280i | −0.433884 | − | 0.900969i | −2.93795 | + | 0.606998i | −0.993360 | + | 2.06273i |
41.15 | −0.930874 | − | 0.365341i | 0.0460028 | + | 1.73144i | 0.733052 | + | 0.680173i | 0.0946357 | − | 1.26283i | 0.589743 | − | 1.62856i | −1.07631 | − | 2.41693i | −0.433884 | − | 0.900969i | −2.99577 | + | 0.159302i | −0.549456 | + | 1.14096i |
41.16 | −0.930874 | − | 0.365341i | 0.469949 | − | 1.66708i | 0.733052 | + | 0.680173i | 0.0730220 | − | 0.974410i | −1.04652 | + | 1.38015i | 2.36652 | − | 1.18305i | −0.433884 | − | 0.900969i | −2.55830 | − | 1.56688i | −0.423966 | + | 0.880375i |
41.17 | −0.930874 | − | 0.365341i | 0.505244 | − | 1.65672i | 0.733052 | + | 0.680173i | 0.100443 | − | 1.34032i | −1.07559 | + | 1.35761i | −2.44546 | − | 1.00980i | −0.433884 | − | 0.900969i | −2.48946 | − | 1.67410i | −0.583172 | + | 1.21097i |
41.18 | −0.930874 | − | 0.365341i | 0.684299 | + | 1.59114i | 0.733052 | + | 0.680173i | −0.158151 | + | 2.11038i | −0.0556866 | − | 1.73116i | 1.06320 | + | 2.42273i | −0.433884 | − | 0.900969i | −2.06347 | + | 2.17764i | 0.918227 | − | 1.90672i |
41.19 | −0.930874 | − | 0.365341i | 0.896330 | + | 1.48209i | 0.733052 | + | 0.680173i | 0.112988 | − | 1.50772i | −0.292902 | − | 1.70711i | 2.12914 | − | 1.57059i | −0.433884 | − | 0.900969i | −1.39318 | + | 2.65689i | −0.656009 | + | 1.36222i |
41.20 | −0.930874 | − | 0.365341i | 1.17951 | − | 1.26837i | 0.733052 | + | 0.680173i | −0.259180 | + | 3.45852i | −1.56136 | + | 0.749767i | −2.33472 | + | 1.24462i | −0.433884 | − | 0.900969i | −0.217514 | − | 2.99210i | 1.50480 | − | 3.12476i |
See next 80 embeddings (of 672 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
9.d | odd | 6 | 1 | inner |
49.f | odd | 14 | 1 | inner |
441.bh | even | 42 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 882.2.bj.a | ✓ | 672 |
9.d | odd | 6 | 1 | inner | 882.2.bj.a | ✓ | 672 |
49.f | odd | 14 | 1 | inner | 882.2.bj.a | ✓ | 672 |
441.bh | even | 42 | 1 | inner | 882.2.bj.a | ✓ | 672 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
882.2.bj.a | ✓ | 672 | 1.a | even | 1 | 1 | trivial |
882.2.bj.a | ✓ | 672 | 9.d | odd | 6 | 1 | inner |
882.2.bj.a | ✓ | 672 | 49.f | odd | 14 | 1 | inner |
882.2.bj.a | ✓ | 672 | 441.bh | even | 42 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(882, [\chi])\).