Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [927,2,Mod(64,927)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(927, base_ring=CyclotomicField(34))
chi = DirichletCharacter(H, H._module([0, 20]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("927.64");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 927 = 3^{2} \cdot 103 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 927.u (of order \(17\), degree \(16\), 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: | \(7.40213226737\) |
Analytic rank: | \(0\) |
Dimension: | \(288\) |
Relative dimension: | \(18\) over \(\Q(\zeta_{17})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{17}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
64.1 | −2.47704 | + | 0.959610i | 0 | 3.73685 | − | 3.40659i | 0.201799 | − | 0.709248i | 0 | −2.09555 | − | 4.20842i | −3.61919 | + | 7.26832i | 0 | 0.180739 | + | 1.95048i | ||||||
64.2 | −2.39557 | + | 0.928048i | 0 | 3.39945 | − | 3.09901i | −0.651650 | + | 2.29031i | 0 | 1.50615 | + | 3.02477i | −2.97734 | + | 5.97930i | 0 | −0.564447 | − | 6.09135i | ||||||
64.3 | −2.01317 | + | 0.779904i | 0 | 1.96657 | − | 1.79276i | 0.659243 | − | 2.31700i | 0 | 1.02960 | + | 2.06773i | −0.636182 | + | 1.27762i | 0 | 0.479873 | + | 5.17865i | ||||||
64.4 | −1.89024 | + | 0.732284i | 0 | 1.55876 | − | 1.42100i | −1.19656 | + | 4.20547i | 0 | −0.922655 | − | 1.85294i | −0.0987260 | + | 0.198269i | 0 | −0.817811 | − | 8.82558i | ||||||
64.5 | −1.58164 | + | 0.612730i | 0 | 0.648123 | − | 0.590842i | 0.214160 | − | 0.752694i | 0 | 0.327349 | + | 0.657405i | 0.849033 | − | 1.70509i | 0 | 0.122475 | + | 1.32171i | ||||||
64.6 | −1.11205 | + | 0.430811i | 0 | −0.426958 | + | 0.389223i | 0.774227 | − | 2.72112i | 0 | −1.74382 | − | 3.50205i | 1.37028 | − | 2.75189i | 0 | 0.311310 | + | 3.35958i | ||||||
64.7 | −0.733841 | + | 0.284292i | 0 | −1.02032 | + | 0.930141i | −0.326205 | + | 1.14649i | 0 | 1.77404 | + | 3.56276i | 1.18590 | − | 2.38160i | 0 | −0.0865552 | − | 0.934080i | ||||||
64.8 | −0.638851 | + | 0.247492i | 0 | −1.13114 | + | 1.03117i | −0.611516 | + | 2.14926i | 0 | −0.0403670 | − | 0.0810678i | 1.07819 | − | 2.16529i | 0 | −0.141256 | − | 1.52440i | ||||||
64.9 | −0.401142 | + | 0.155403i | 0 | −1.34125 | + | 1.22271i | −0.474209 | + | 1.66667i | 0 | −1.24830 | − | 2.50692i | 0.731525 | − | 1.46910i | 0 | −0.0687810 | − | 0.742265i | ||||||
64.10 | 0.401142 | − | 0.155403i | 0 | −1.34125 | + | 1.22271i | 0.474209 | − | 1.66667i | 0 | −1.24830 | − | 2.50692i | −0.731525 | + | 1.46910i | 0 | −0.0687810 | − | 0.742265i | ||||||
64.11 | 0.638851 | − | 0.247492i | 0 | −1.13114 | + | 1.03117i | 0.611516 | − | 2.14926i | 0 | −0.0403670 | − | 0.0810678i | −1.07819 | + | 2.16529i | 0 | −0.141256 | − | 1.52440i | ||||||
64.12 | 0.733841 | − | 0.284292i | 0 | −1.02032 | + | 0.930141i | 0.326205 | − | 1.14649i | 0 | 1.77404 | + | 3.56276i | −1.18590 | + | 2.38160i | 0 | −0.0865552 | − | 0.934080i | ||||||
64.13 | 1.11205 | − | 0.430811i | 0 | −0.426958 | + | 0.389223i | −0.774227 | + | 2.72112i | 0 | −1.74382 | − | 3.50205i | −1.37028 | + | 2.75189i | 0 | 0.311310 | + | 3.35958i | ||||||
64.14 | 1.58164 | − | 0.612730i | 0 | 0.648123 | − | 0.590842i | −0.214160 | + | 0.752694i | 0 | 0.327349 | + | 0.657405i | −0.849033 | + | 1.70509i | 0 | 0.122475 | + | 1.32171i | ||||||
64.15 | 1.89024 | − | 0.732284i | 0 | 1.55876 | − | 1.42100i | 1.19656 | − | 4.20547i | 0 | −0.922655 | − | 1.85294i | 0.0987260 | − | 0.198269i | 0 | −0.817811 | − | 8.82558i | ||||||
64.16 | 2.01317 | − | 0.779904i | 0 | 1.96657 | − | 1.79276i | −0.659243 | + | 2.31700i | 0 | 1.02960 | + | 2.06773i | 0.636182 | − | 1.27762i | 0 | 0.479873 | + | 5.17865i | ||||||
64.17 | 2.39557 | − | 0.928048i | 0 | 3.39945 | − | 3.09901i | 0.651650 | − | 2.29031i | 0 | 1.50615 | + | 3.02477i | 2.97734 | − | 5.97930i | 0 | −0.564447 | − | 6.09135i | ||||||
64.18 | 2.47704 | − | 0.959610i | 0 | 3.73685 | − | 3.40659i | −0.201799 | + | 0.709248i | 0 | −2.09555 | − | 4.20842i | 3.61919 | − | 7.26832i | 0 | 0.180739 | + | 1.95048i | ||||||
100.1 | −2.36545 | + | 1.46463i | 0 | 2.55876 | − | 5.13869i | −1.94687 | + | 0.754220i | 0 | −0.459752 | + | 4.96151i | 0.960213 | + | 10.3623i | 0 | 3.50057 | − | 4.63550i | ||||||
100.2 | −2.03126 | + | 1.25770i | 0 | 1.65271 | − | 3.31909i | −1.79209 | + | 0.694260i | 0 | 0.367270 | − | 3.96347i | 0.376466 | + | 4.06272i | 0 | 2.76702 | − | 3.66413i | ||||||
See next 80 embeddings (of 288 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
103.e | even | 17 | 1 | inner |
309.l | odd | 34 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 927.2.u.d | ✓ | 288 |
3.b | odd | 2 | 1 | inner | 927.2.u.d | ✓ | 288 |
103.e | even | 17 | 1 | inner | 927.2.u.d | ✓ | 288 |
309.l | odd | 34 | 1 | inner | 927.2.u.d | ✓ | 288 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
927.2.u.d | ✓ | 288 | 1.a | even | 1 | 1 | trivial |
927.2.u.d | ✓ | 288 | 3.b | odd | 2 | 1 | inner |
927.2.u.d | ✓ | 288 | 103.e | even | 17 | 1 | inner |
927.2.u.d | ✓ | 288 | 309.l | odd | 34 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{288} + 28 T_{2}^{286} + 466 T_{2}^{284} + 6015 T_{2}^{282} + 66795 T_{2}^{280} + \cdots + 12\!\cdots\!81 \) acting on \(S_{2}^{\mathrm{new}}(927, [\chi])\).