Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [245,2,Mod(68,245)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(245, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([9, 10]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("245.68");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 245 = 5 \cdot 7^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 245.l (of order \(12\), degree \(4\), not 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: | \(1.95633484952\) |
Analytic rank: | \(0\) |
Dimension: | \(48\) |
Relative dimension: | \(12\) over \(\Q(\zeta_{12})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{12}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
68.1 | −0.566266 | − | 2.11333i | −2.60056 | − | 0.696819i | −2.41347 | + | 1.39342i | −0.521466 | + | 2.17441i | 5.89044i | 0 | 1.21729 | + | 1.21729i | 3.67929 | + | 2.12424i | 4.89055 | − | 0.129265i | ||||
68.2 | −0.566266 | − | 2.11333i | 2.60056 | + | 0.696819i | −2.41347 | + | 1.39342i | 0.521466 | − | 2.17441i | − | 5.89044i | 0 | 1.21729 | + | 1.21729i | 3.67929 | + | 2.12424i | −4.89055 | + | 0.129265i | |||
68.3 | −0.543253 | − | 2.02745i | −0.387073 | − | 0.103716i | −2.08337 | + | 1.20284i | 2.21036 | − | 0.338120i | 0.841115i | 0 | 0.602098 | + | 0.602098i | −2.45901 | − | 1.41971i | −1.88630 | − | 4.29770i | ||||
68.4 | −0.543253 | − | 2.02745i | 0.387073 | + | 0.103716i | −2.08337 | + | 1.20284i | −2.21036 | + | 0.338120i | − | 0.841115i | 0 | 0.602098 | + | 0.602098i | −2.45901 | − | 1.41971i | 1.88630 | + | 4.29770i | |||
68.5 | −0.0550662 | − | 0.205510i | −2.73547 | − | 0.732967i | 1.69285 | − | 0.977367i | 2.08567 | + | 0.806215i | 0.602528i | 0 | −0.594965 | − | 0.594965i | 4.34747 | + | 2.51002i | 0.0508353 | − | 0.473021i | ||||
68.6 | −0.0550662 | − | 0.205510i | 2.73547 | + | 0.732967i | 1.69285 | − | 0.977367i | −2.08567 | − | 0.806215i | − | 0.602528i | 0 | −0.594965 | − | 0.594965i | 4.34747 | + | 2.51002i | −0.0508353 | + | 0.473021i | |||
68.7 | 0.156306 | + | 0.583343i | −1.17055 | − | 0.313649i | 1.41619 | − | 0.817640i | −1.16008 | − | 1.91160i | − | 0.731859i | 0 | 1.55240 | + | 1.55240i | −1.32626 | − | 0.765714i | 0.933789 | − | 0.975520i | |||
68.8 | 0.156306 | + | 0.583343i | 1.17055 | + | 0.313649i | 1.41619 | − | 0.817640i | 1.16008 | + | 1.91160i | 0.731859i | 0 | 1.55240 | + | 1.55240i | −1.32626 | − | 0.765714i | −0.933789 | + | 0.975520i | ||||
68.9 | 0.339500 | + | 1.26703i | −1.30289 | − | 0.349107i | 0.241939 | − | 0.139683i | 0.325562 | + | 2.21224i | − | 1.76932i | 0 | 2.11419 | + | 2.11419i | −1.02244 | − | 0.590307i | −2.69245 | + | 1.16355i | |||
68.10 | 0.339500 | + | 1.26703i | 1.30289 | + | 0.349107i | 0.241939 | − | 0.139683i | −0.325562 | − | 2.21224i | 1.76932i | 0 | 2.11419 | + | 2.11419i | −1.02244 | − | 0.590307i | 2.69245 | − | 1.16355i | ||||
68.11 | 0.668779 | + | 2.49592i | −1.09408 | − | 0.293157i | −4.05029 | + | 2.33843i | −2.07570 | − | 0.831534i | − | 2.92678i | 0 | −4.89101 | − | 4.89101i | −1.48701 | − | 0.858527i | 0.687252 | − | 5.73690i | |||
68.12 | 0.668779 | + | 2.49592i | 1.09408 | + | 0.293157i | −4.05029 | + | 2.33843i | 2.07570 | + | 0.831534i | 2.92678i | 0 | −4.89101 | − | 4.89101i | −1.48701 | − | 0.858527i | −0.687252 | + | 5.73690i | ||||
117.1 | −2.49592 | + | 0.668779i | −0.293157 | + | 1.09408i | 4.05029 | − | 2.33843i | −1.75798 | − | 1.38185i | − | 2.92678i | 0 | −4.89101 | + | 4.89101i | 1.48701 | + | 0.858527i | 5.31193 | + | 2.27327i | |||
117.2 | −2.49592 | + | 0.668779i | 0.293157 | − | 1.09408i | 4.05029 | − | 2.33843i | 1.75798 | + | 1.38185i | 2.92678i | 0 | −4.89101 | + | 4.89101i | 1.48701 | + | 0.858527i | −5.31193 | − | 2.27327i | ||||
117.3 | −1.26703 | + | 0.339500i | −0.349107 | + | 1.30289i | −0.241939 | + | 0.139683i | 2.07864 | − | 0.824175i | − | 1.76932i | 0 | 2.11419 | − | 2.11419i | 1.02244 | + | 0.590307i | −2.35389 | + | 1.74996i | |||
117.4 | −1.26703 | + | 0.339500i | 0.349107 | − | 1.30289i | −0.241939 | + | 0.139683i | −2.07864 | + | 0.824175i | 1.76932i | 0 | 2.11419 | − | 2.11419i | 1.02244 | + | 0.590307i | 2.35389 | − | 1.74996i | ||||
117.5 | −0.583343 | + | 0.156306i | −0.313649 | + | 1.17055i | −1.41619 | + | 0.817640i | −2.23553 | − | 0.0488606i | − | 0.731859i | 0 | 1.55240 | − | 1.55240i | 1.32626 | + | 0.765714i | 1.31172 | − | 0.320925i | |||
117.6 | −0.583343 | + | 0.156306i | 0.313649 | − | 1.17055i | −1.41619 | + | 0.817640i | 2.23553 | + | 0.0488606i | 0.731859i | 0 | 1.55240 | − | 1.55240i | 1.32626 | + | 0.765714i | −1.31172 | + | 0.320925i | ||||
117.7 | 0.205510 | − | 0.0550662i | −0.732967 | + | 2.73547i | −1.69285 | + | 0.977367i | 1.74104 | + | 1.40314i | 0.602528i | 0 | −0.594965 | + | 0.594965i | −4.34747 | − | 2.51002i | 0.435066 | + | 0.192486i | ||||
117.8 | 0.205510 | − | 0.0550662i | 0.732967 | − | 2.73547i | −1.69285 | + | 0.977367i | −1.74104 | − | 1.40314i | − | 0.602528i | 0 | −0.594965 | + | 0.594965i | −4.34747 | − | 2.51002i | −0.435066 | − | 0.192486i | |||
See all 48 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.c | odd | 4 | 1 | inner |
7.b | odd | 2 | 1 | inner |
7.c | even | 3 | 1 | inner |
7.d | odd | 6 | 1 | inner |
35.f | even | 4 | 1 | inner |
35.k | even | 12 | 1 | inner |
35.l | odd | 12 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 245.2.l.d | 48 | |
5.c | odd | 4 | 1 | inner | 245.2.l.d | 48 | |
7.b | odd | 2 | 1 | inner | 245.2.l.d | 48 | |
7.c | even | 3 | 1 | 245.2.f.c | ✓ | 24 | |
7.c | even | 3 | 1 | inner | 245.2.l.d | 48 | |
7.d | odd | 6 | 1 | 245.2.f.c | ✓ | 24 | |
7.d | odd | 6 | 1 | inner | 245.2.l.d | 48 | |
35.f | even | 4 | 1 | inner | 245.2.l.d | 48 | |
35.k | even | 12 | 1 | 245.2.f.c | ✓ | 24 | |
35.k | even | 12 | 1 | inner | 245.2.l.d | 48 | |
35.l | odd | 12 | 1 | 245.2.f.c | ✓ | 24 | |
35.l | odd | 12 | 1 | inner | 245.2.l.d | 48 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
245.2.f.c | ✓ | 24 | 7.c | even | 3 | 1 | |
245.2.f.c | ✓ | 24 | 7.d | odd | 6 | 1 | |
245.2.f.c | ✓ | 24 | 35.k | even | 12 | 1 | |
245.2.f.c | ✓ | 24 | 35.l | odd | 12 | 1 | |
245.2.l.d | 48 | 1.a | even | 1 | 1 | trivial | |
245.2.l.d | 48 | 5.c | odd | 4 | 1 | inner | |
245.2.l.d | 48 | 7.b | odd | 2 | 1 | inner | |
245.2.l.d | 48 | 7.c | even | 3 | 1 | inner | |
245.2.l.d | 48 | 7.d | odd | 6 | 1 | inner | |
245.2.l.d | 48 | 35.f | even | 4 | 1 | inner | |
245.2.l.d | 48 | 35.k | even | 12 | 1 | inner | |
245.2.l.d | 48 | 35.l | odd | 12 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{24} - 45 T_{2}^{20} - 8 T_{2}^{19} + 72 T_{2}^{17} + 1737 T_{2}^{16} - 648 T_{2}^{15} + 32 T_{2}^{14} + \cdots + 16 \) acting on \(S_{2}^{\mathrm{new}}(245, [\chi])\).