Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [540,2,Mod(163,540)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(540, base_ring=CyclotomicField(4))
chi = DirichletCharacter(H, H._module([2, 0, 3]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("540.163");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 540 = 2^{2} \cdot 3^{3} \cdot 5 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 540.k (of order \(4\), degree \(2\), 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: | \(4.31192170915\) |
Analytic rank: | \(0\) |
Dimension: | \(48\) |
Relative dimension: | \(24\) over \(\Q(i)\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{4}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
163.1 | −1.40361 | − | 0.172822i | 0 | 1.94027 | + | 0.485151i | 0.916879 | + | 2.03944i | 0 | −3.47124 | − | 3.47124i | −2.63954 | − | 1.01629i | 0 | −0.934483 | − | 3.02105i | ||||||
163.2 | −1.37934 | + | 0.312138i | 0 | 1.80514 | − | 0.861087i | −1.57572 | − | 1.58654i | 0 | −0.806142 | − | 0.806142i | −2.22112 | + | 1.75118i | 0 | 2.66866 | + | 1.69654i | ||||||
163.3 | −1.37191 | − | 0.343303i | 0 | 1.76429 | + | 0.941963i | 0.116853 | − | 2.23301i | 0 | 1.06377 | + | 1.06377i | −2.09707 | − | 1.89798i | 0 | −0.926912 | + | 3.02338i | ||||||
163.4 | −1.23686 | + | 0.685686i | 0 | 1.05967 | − | 1.69620i | −1.35730 | + | 1.77700i | 0 | 2.92892 | + | 2.92892i | −0.147607 | + | 2.82457i | 0 | 0.460337 | − | 3.12859i | ||||||
163.5 | −1.20980 | + | 0.732381i | 0 | 0.927237 | − | 1.77207i | 2.23408 | + | 0.0942881i | 0 | 1.25928 | + | 1.25928i | 0.176057 | + | 2.82294i | 0 | −2.77185 | + | 1.52213i | ||||||
163.6 | −1.14403 | − | 0.831375i | 0 | 0.617631 | + | 1.90224i | 2.19759 | − | 0.413020i | 0 | 0.0683103 | + | 0.0683103i | 0.874887 | − | 2.68972i | 0 | −2.85750 | − | 1.35451i | ||||||
163.7 | −0.831375 | − | 1.14403i | 0 | −0.617631 | + | 1.90224i | −2.19759 | + | 0.413020i | 0 | −0.0683103 | − | 0.0683103i | 2.68972 | − | 0.874887i | 0 | 2.29953 | + | 2.17075i | ||||||
163.8 | −0.732381 | + | 1.20980i | 0 | −0.927237 | − | 1.77207i | 2.23408 | + | 0.0942881i | 0 | −1.25928 | − | 1.25928i | 2.82294 | + | 0.176057i | 0 | −1.75027 | + | 2.63374i | ||||||
163.9 | −0.685686 | + | 1.23686i | 0 | −1.05967 | − | 1.69620i | −1.35730 | + | 1.77700i | 0 | −2.92892 | − | 2.92892i | 2.82457 | − | 0.147607i | 0 | −1.26723 | − | 2.89726i | ||||||
163.10 | −0.343303 | − | 1.37191i | 0 | −1.76429 | + | 0.941963i | −0.116853 | + | 2.23301i | 0 | −1.06377 | − | 1.06377i | 1.89798 | + | 2.09707i | 0 | 3.10361 | − | 0.606288i | ||||||
163.11 | −0.312138 | + | 1.37934i | 0 | −1.80514 | − | 0.861087i | −1.57572 | − | 1.58654i | 0 | 0.806142 | + | 0.806142i | 1.75118 | − | 2.22112i | 0 | 2.68022 | − | 1.67822i | ||||||
163.12 | −0.172822 | − | 1.40361i | 0 | −1.94027 | + | 0.485151i | −0.916879 | − | 2.03944i | 0 | 3.47124 | + | 3.47124i | 1.01629 | + | 2.63954i | 0 | −2.70414 | + | 1.63940i | ||||||
163.13 | 0.172822 | + | 1.40361i | 0 | −1.94027 | + | 0.485151i | 0.916879 | + | 2.03944i | 0 | 3.47124 | + | 3.47124i | −1.01629 | − | 2.63954i | 0 | −2.70414 | + | 1.63940i | ||||||
163.14 | 0.312138 | − | 1.37934i | 0 | −1.80514 | − | 0.861087i | 1.57572 | + | 1.58654i | 0 | 0.806142 | + | 0.806142i | −1.75118 | + | 2.22112i | 0 | 2.68022 | − | 1.67822i | ||||||
163.15 | 0.343303 | + | 1.37191i | 0 | −1.76429 | + | 0.941963i | 0.116853 | − | 2.23301i | 0 | −1.06377 | − | 1.06377i | −1.89798 | − | 2.09707i | 0 | 3.10361 | − | 0.606288i | ||||||
163.16 | 0.685686 | − | 1.23686i | 0 | −1.05967 | − | 1.69620i | 1.35730 | − | 1.77700i | 0 | −2.92892 | − | 2.92892i | −2.82457 | + | 0.147607i | 0 | −1.26723 | − | 2.89726i | ||||||
163.17 | 0.732381 | − | 1.20980i | 0 | −0.927237 | − | 1.77207i | −2.23408 | − | 0.0942881i | 0 | −1.25928 | − | 1.25928i | −2.82294 | − | 0.176057i | 0 | −1.75027 | + | 2.63374i | ||||||
163.18 | 0.831375 | + | 1.14403i | 0 | −0.617631 | + | 1.90224i | 2.19759 | − | 0.413020i | 0 | −0.0683103 | − | 0.0683103i | −2.68972 | + | 0.874887i | 0 | 2.29953 | + | 2.17075i | ||||||
163.19 | 1.14403 | + | 0.831375i | 0 | 0.617631 | + | 1.90224i | −2.19759 | + | 0.413020i | 0 | 0.0683103 | + | 0.0683103i | −0.874887 | + | 2.68972i | 0 | −2.85750 | − | 1.35451i | ||||||
163.20 | 1.20980 | − | 0.732381i | 0 | 0.927237 | − | 1.77207i | −2.23408 | − | 0.0942881i | 0 | 1.25928 | + | 1.25928i | −0.176057 | − | 2.82294i | 0 | −2.77185 | + | 1.52213i | ||||||
See all 48 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
4.b | odd | 2 | 1 | inner |
5.c | odd | 4 | 1 | inner |
12.b | even | 2 | 1 | inner |
15.e | even | 4 | 1 | inner |
20.e | even | 4 | 1 | inner |
60.l | odd | 4 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 540.2.k.f | ✓ | 48 |
3.b | odd | 2 | 1 | inner | 540.2.k.f | ✓ | 48 |
4.b | odd | 2 | 1 | inner | 540.2.k.f | ✓ | 48 |
5.c | odd | 4 | 1 | inner | 540.2.k.f | ✓ | 48 |
12.b | even | 2 | 1 | inner | 540.2.k.f | ✓ | 48 |
15.e | even | 4 | 1 | inner | 540.2.k.f | ✓ | 48 |
20.e | even | 4 | 1 | inner | 540.2.k.f | ✓ | 48 |
60.l | odd | 4 | 1 | inner | 540.2.k.f | ✓ | 48 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
540.2.k.f | ✓ | 48 | 1.a | even | 1 | 1 | trivial |
540.2.k.f | ✓ | 48 | 3.b | odd | 2 | 1 | inner |
540.2.k.f | ✓ | 48 | 4.b | odd | 2 | 1 | inner |
540.2.k.f | ✓ | 48 | 5.c | odd | 4 | 1 | inner |
540.2.k.f | ✓ | 48 | 12.b | even | 2 | 1 | inner |
540.2.k.f | ✓ | 48 | 15.e | even | 4 | 1 | inner |
540.2.k.f | ✓ | 48 | 20.e | even | 4 | 1 | inner |
540.2.k.f | ✓ | 48 | 60.l | odd | 4 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{24} + 892T_{7}^{20} + 185798T_{7}^{16} + 2951748T_{7}^{12} + 13269041T_{7}^{8} + 14881096T_{7}^{4} + 1296 \) acting on \(S_{2}^{\mathrm{new}}(540, [\chi])\).