Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [432,2,Mod(107,432)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(432, base_ring=CyclotomicField(4))
chi = DirichletCharacter(H, H._module([2, 1, 2]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("432.107");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 432 = 2^{4} \cdot 3^{3} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 432.l (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: | \(3.44953736732\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Relative dimension: | \(16\) 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
107.1 | −1.41076 | − | 0.0987658i | 0 | 1.98049 | + | 0.278670i | 0.0308139 | − | 0.0308139i | 0 | 2.10616 | −2.76648 | − | 0.588741i | 0 | −0.0465144 | + | 0.0404277i | ||||||||
107.2 | −1.32420 | + | 0.496490i | 0 | 1.50700 | − | 1.31490i | −1.75903 | + | 1.75903i | 0 | −4.05756 | −1.34273 | + | 2.48940i | 0 | 1.45597 | − | 3.20265i | ||||||||
107.3 | −1.19933 | + | 0.749398i | 0 | 0.876807 | − | 1.79756i | 2.15382 | − | 2.15382i | 0 | 4.43758 | 0.295500 | + | 2.81295i | 0 | −0.969085 | + | 4.19723i | ||||||||
107.4 | −1.12975 | − | 0.850687i | 0 | 0.552664 | + | 1.92212i | −1.26575 | + | 1.26575i | 0 | 1.47880 | 1.01076 | − | 2.64166i | 0 | 2.50674 | − | 0.353222i | ||||||||
107.5 | −0.900149 | − | 1.09075i | 0 | −0.379462 | + | 1.96367i | 1.29039 | − | 1.29039i | 0 | −3.83003 | 2.48344 | − | 1.35370i | 0 | −2.56904 | − | 0.245948i | ||||||||
107.6 | −0.762934 | + | 1.19077i | 0 | −0.835863 | − | 1.81696i | −3.06203 | + | 3.06203i | 0 | 1.75946 | 2.80128 | + | 0.390900i | 0 | −1.31004 | − | 5.98230i | ||||||||
107.7 | −0.379657 | + | 1.36230i | 0 | −1.71172 | − | 1.03441i | 0.463925 | − | 0.463925i | 0 | −1.85883 | 2.05905 | − | 1.93916i | 0 | 0.455873 | + | 0.808137i | ||||||||
107.8 | −0.0710265 | + | 1.41243i | 0 | −1.98991 | − | 0.200640i | 1.84591 | − | 1.84591i | 0 | −0.0355882 | 0.424726 | − | 2.79636i | 0 | 2.47611 | + | 2.73833i | ||||||||
107.9 | 0.0710265 | − | 1.41243i | 0 | −1.98991 | − | 0.200640i | −1.84591 | + | 1.84591i | 0 | −0.0355882 | −0.424726 | + | 2.79636i | 0 | 2.47611 | + | 2.73833i | ||||||||
107.10 | 0.379657 | − | 1.36230i | 0 | −1.71172 | − | 1.03441i | −0.463925 | + | 0.463925i | 0 | −1.85883 | −2.05905 | + | 1.93916i | 0 | 0.455873 | + | 0.808137i | ||||||||
107.11 | 0.762934 | − | 1.19077i | 0 | −0.835863 | − | 1.81696i | 3.06203 | − | 3.06203i | 0 | 1.75946 | −2.80128 | − | 0.390900i | 0 | −1.31004 | − | 5.98230i | ||||||||
107.12 | 0.900149 | + | 1.09075i | 0 | −0.379462 | + | 1.96367i | −1.29039 | + | 1.29039i | 0 | −3.83003 | −2.48344 | + | 1.35370i | 0 | −2.56904 | − | 0.245948i | ||||||||
107.13 | 1.12975 | + | 0.850687i | 0 | 0.552664 | + | 1.92212i | 1.26575 | − | 1.26575i | 0 | 1.47880 | −1.01076 | + | 2.64166i | 0 | 2.50674 | − | 0.353222i | ||||||||
107.14 | 1.19933 | − | 0.749398i | 0 | 0.876807 | − | 1.79756i | −2.15382 | + | 2.15382i | 0 | 4.43758 | −0.295500 | − | 2.81295i | 0 | −0.969085 | + | 4.19723i | ||||||||
107.15 | 1.32420 | − | 0.496490i | 0 | 1.50700 | − | 1.31490i | 1.75903 | − | 1.75903i | 0 | −4.05756 | 1.34273 | − | 2.48940i | 0 | 1.45597 | − | 3.20265i | ||||||||
107.16 | 1.41076 | + | 0.0987658i | 0 | 1.98049 | + | 0.278670i | −0.0308139 | + | 0.0308139i | 0 | 2.10616 | 2.76648 | + | 0.588741i | 0 | −0.0465144 | + | 0.0404277i | ||||||||
323.1 | −1.41076 | + | 0.0987658i | 0 | 1.98049 | − | 0.278670i | 0.0308139 | + | 0.0308139i | 0 | 2.10616 | −2.76648 | + | 0.588741i | 0 | −0.0465144 | − | 0.0404277i | ||||||||
323.2 | −1.32420 | − | 0.496490i | 0 | 1.50700 | + | 1.31490i | −1.75903 | − | 1.75903i | 0 | −4.05756 | −1.34273 | − | 2.48940i | 0 | 1.45597 | + | 3.20265i | ||||||||
323.3 | −1.19933 | − | 0.749398i | 0 | 0.876807 | + | 1.79756i | 2.15382 | + | 2.15382i | 0 | 4.43758 | 0.295500 | − | 2.81295i | 0 | −0.969085 | − | 4.19723i | ||||||||
323.4 | −1.12975 | + | 0.850687i | 0 | 0.552664 | − | 1.92212i | −1.26575 | − | 1.26575i | 0 | 1.47880 | 1.01076 | + | 2.64166i | 0 | 2.50674 | + | 0.353222i | ||||||||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
16.f | odd | 4 | 1 | inner |
48.k | even | 4 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 432.2.l.b | ✓ | 32 |
3.b | odd | 2 | 1 | inner | 432.2.l.b | ✓ | 32 |
4.b | odd | 2 | 1 | 1728.2.l.b | 32 | ||
12.b | even | 2 | 1 | 1728.2.l.b | 32 | ||
16.e | even | 4 | 1 | 1728.2.l.b | 32 | ||
16.f | odd | 4 | 1 | inner | 432.2.l.b | ✓ | 32 |
48.i | odd | 4 | 1 | 1728.2.l.b | 32 | ||
48.k | even | 4 | 1 | inner | 432.2.l.b | ✓ | 32 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
432.2.l.b | ✓ | 32 | 1.a | even | 1 | 1 | trivial |
432.2.l.b | ✓ | 32 | 3.b | odd | 2 | 1 | inner |
432.2.l.b | ✓ | 32 | 16.f | odd | 4 | 1 | inner |
432.2.l.b | ✓ | 32 | 48.k | even | 4 | 1 | inner |
1728.2.l.b | 32 | 4.b | odd | 2 | 1 | ||
1728.2.l.b | 32 | 12.b | even | 2 | 1 | ||
1728.2.l.b | 32 | 16.e | even | 4 | 1 | ||
1728.2.l.b | 32 | 48.i | odd | 4 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{32} + 544 T_{5}^{28} + 80512 T_{5}^{24} + 4894464 T_{5}^{20} + 134019200 T_{5}^{16} + 1555154944 T_{5}^{12} + \cdots + 4096 \) acting on \(S_{2}^{\mathrm{new}}(432, [\chi])\).