Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [225,6,Mod(107,225)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(225, base_ring=CyclotomicField(4))
chi = DirichletCharacter(H, H._module([2, 1]))
N = Newforms(chi, 6, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("225.107");
S:= CuspForms(chi, 6);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 225 = 3^{2} \cdot 5^{2} \) |
Weight: | \( k \) | \(=\) | \( 6 \) |
Character orbit: | \([\chi]\) | \(=\) | 225.f (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: | \(36.0863594579\) |
Analytic rank: | \(0\) |
Dimension: | \(24\) |
Relative dimension: | \(12\) 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 | −6.22732 | + | 6.22732i | 0 | − | 45.5591i | 0 | 0 | 83.4434 | + | 83.4434i | 84.4372 | + | 84.4372i | 0 | 0 | |||||||||||
107.2 | −6.22732 | + | 6.22732i | 0 | − | 45.5591i | 0 | 0 | −83.4434 | − | 83.4434i | 84.4372 | + | 84.4372i | 0 | 0 | |||||||||||
107.3 | −5.41913 | + | 5.41913i | 0 | − | 26.7338i | 0 | 0 | −10.9755 | − | 10.9755i | −28.5379 | − | 28.5379i | 0 | 0 | |||||||||||
107.4 | −5.41913 | + | 5.41913i | 0 | − | 26.7338i | 0 | 0 | 10.9755 | + | 10.9755i | −28.5379 | − | 28.5379i | 0 | 0 | |||||||||||
107.5 | −0.923852 | + | 0.923852i | 0 | 30.2930i | 0 | 0 | 31.9569 | + | 31.9569i | −57.5495 | − | 57.5495i | 0 | 0 | ||||||||||||
107.6 | −0.923852 | + | 0.923852i | 0 | 30.2930i | 0 | 0 | −31.9569 | − | 31.9569i | −57.5495 | − | 57.5495i | 0 | 0 | ||||||||||||
107.7 | 0.923852 | − | 0.923852i | 0 | 30.2930i | 0 | 0 | 31.9569 | + | 31.9569i | 57.5495 | + | 57.5495i | 0 | 0 | ||||||||||||
107.8 | 0.923852 | − | 0.923852i | 0 | 30.2930i | 0 | 0 | −31.9569 | − | 31.9569i | 57.5495 | + | 57.5495i | 0 | 0 | ||||||||||||
107.9 | 5.41913 | − | 5.41913i | 0 | − | 26.7338i | 0 | 0 | 10.9755 | + | 10.9755i | 28.5379 | + | 28.5379i | 0 | 0 | |||||||||||
107.10 | 5.41913 | − | 5.41913i | 0 | − | 26.7338i | 0 | 0 | −10.9755 | − | 10.9755i | 28.5379 | + | 28.5379i | 0 | 0 | |||||||||||
107.11 | 6.22732 | − | 6.22732i | 0 | − | 45.5591i | 0 | 0 | 83.4434 | + | 83.4434i | −84.4372 | − | 84.4372i | 0 | 0 | |||||||||||
107.12 | 6.22732 | − | 6.22732i | 0 | − | 45.5591i | 0 | 0 | −83.4434 | − | 83.4434i | −84.4372 | − | 84.4372i | 0 | 0 | |||||||||||
143.1 | −6.22732 | − | 6.22732i | 0 | 45.5591i | 0 | 0 | 83.4434 | − | 83.4434i | 84.4372 | − | 84.4372i | 0 | 0 | ||||||||||||
143.2 | −6.22732 | − | 6.22732i | 0 | 45.5591i | 0 | 0 | −83.4434 | + | 83.4434i | 84.4372 | − | 84.4372i | 0 | 0 | ||||||||||||
143.3 | −5.41913 | − | 5.41913i | 0 | 26.7338i | 0 | 0 | −10.9755 | + | 10.9755i | −28.5379 | + | 28.5379i | 0 | 0 | ||||||||||||
143.4 | −5.41913 | − | 5.41913i | 0 | 26.7338i | 0 | 0 | 10.9755 | − | 10.9755i | −28.5379 | + | 28.5379i | 0 | 0 | ||||||||||||
143.5 | −0.923852 | − | 0.923852i | 0 | − | 30.2930i | 0 | 0 | 31.9569 | − | 31.9569i | −57.5495 | + | 57.5495i | 0 | 0 | |||||||||||
143.6 | −0.923852 | − | 0.923852i | 0 | − | 30.2930i | 0 | 0 | −31.9569 | + | 31.9569i | −57.5495 | + | 57.5495i | 0 | 0 | |||||||||||
143.7 | 0.923852 | + | 0.923852i | 0 | − | 30.2930i | 0 | 0 | 31.9569 | − | 31.9569i | 57.5495 | − | 57.5495i | 0 | 0 | |||||||||||
143.8 | 0.923852 | + | 0.923852i | 0 | − | 30.2930i | 0 | 0 | −31.9569 | + | 31.9569i | 57.5495 | − | 57.5495i | 0 | 0 | |||||||||||
See all 24 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
5.b | even | 2 | 1 | inner |
5.c | odd | 4 | 2 | inner |
15.d | odd | 2 | 1 | inner |
15.e | even | 4 | 2 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 225.6.f.c | ✓ | 24 |
3.b | odd | 2 | 1 | inner | 225.6.f.c | ✓ | 24 |
5.b | even | 2 | 1 | inner | 225.6.f.c | ✓ | 24 |
5.c | odd | 4 | 2 | inner | 225.6.f.c | ✓ | 24 |
15.d | odd | 2 | 1 | inner | 225.6.f.c | ✓ | 24 |
15.e | even | 4 | 2 | inner | 225.6.f.c | ✓ | 24 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
225.6.f.c | ✓ | 24 | 1.a | even | 1 | 1 | trivial |
225.6.f.c | ✓ | 24 | 3.b | odd | 2 | 1 | inner |
225.6.f.c | ✓ | 24 | 5.b | even | 2 | 1 | inner |
225.6.f.c | ✓ | 24 | 5.c | odd | 4 | 2 | inner |
225.6.f.c | ✓ | 24 | 15.d | odd | 2 | 1 | inner |
225.6.f.c | ✓ | 24 | 15.e | even | 4 | 2 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{12} + 9468T_{2}^{8} + 20778768T_{2}^{4} + 60466176 \) acting on \(S_{6}^{\mathrm{new}}(225, [\chi])\).