Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [207,2,Mod(68,207)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(207, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([5, 3]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("207.68");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 207 = 3^{2} \cdot 23 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 207.g (of order \(6\), 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: | \(1.65290332184\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Relative dimension: | \(16\) over \(\Q(\zeta_{6})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{6}]$ |
$q$-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 | −1.75416 | + | 1.01277i | −0.0980475 | − | 1.72927i | 1.05139 | − | 1.82106i | −1.64829 | + | 2.85493i | 1.92334 | + | 2.93413i | 2.39846 | − | 1.38475i | 0.208179i | −2.98077 | + | 0.339102i | − | 6.67733i | |||
68.2 | −1.75416 | + | 1.01277i | −0.0980475 | − | 1.72927i | 1.05139 | − | 1.82106i | 1.64829 | − | 2.85493i | 1.92334 | + | 2.93413i | −2.39846 | + | 1.38475i | 0.208179i | −2.98077 | + | 0.339102i | 6.67733i | ||||
68.3 | −1.66670 | + | 0.962270i | −0.603119 | + | 1.62365i | 0.851929 | − | 1.47558i | −1.59706 | + | 2.76619i | −0.557174 | − | 3.28651i | −1.36206 | + | 0.786387i | − | 0.569939i | −2.27250 | − | 1.95851i | − | 6.14721i | ||
68.4 | −1.66670 | + | 0.962270i | −0.603119 | + | 1.62365i | 0.851929 | − | 1.47558i | 1.59706 | − | 2.76619i | −0.557174 | − | 3.28651i | 1.36206 | − | 0.786387i | − | 0.569939i | −2.27250 | − | 1.95851i | 6.14721i | |||
68.5 | −1.10357 | + | 0.637149i | 1.52320 | + | 0.824536i | −0.188082 | + | 0.325768i | −0.456305 | + | 0.790343i | −2.20632 | + | 0.0605692i | −4.24961 | + | 2.45351i | − | 3.02794i | 1.64028 | + | 2.51187i | − | 1.16294i | ||
68.6 | −1.10357 | + | 0.637149i | 1.52320 | + | 0.824536i | −0.188082 | + | 0.325768i | 0.456305 | − | 0.790343i | −2.20632 | + | 0.0605692i | 4.24961 | − | 2.45351i | − | 3.02794i | 1.64028 | + | 2.51187i | 1.16294i | |||
68.7 | −0.883247 | + | 0.509943i | −1.71838 | − | 0.217204i | −0.479917 | + | 0.831241i | −1.23454 | + | 2.13829i | 1.62851 | − | 0.684429i | 0.487726 | − | 0.281589i | − | 3.01869i | 2.90564 | + | 0.746479i | − | 2.51818i | ||
68.8 | −0.883247 | + | 0.509943i | −1.71838 | − | 0.217204i | −0.479917 | + | 0.831241i | 1.23454 | − | 2.13829i | 1.62851 | − | 0.684429i | −0.487726 | + | 0.281589i | − | 3.01869i | 2.90564 | + | 0.746479i | 2.51818i | |||
68.9 | 0.107387 | − | 0.0619998i | −0.547823 | − | 1.64313i | −0.992312 | + | 1.71873i | −0.778677 | + | 1.34871i | −0.160703 | − | 0.142486i | −3.42634 | + | 1.97820i | 0.494091i | −2.39978 | + | 1.80029i | 0.193111i | ||||
68.10 | 0.107387 | − | 0.0619998i | −0.547823 | − | 1.64313i | −0.992312 | + | 1.71873i | 0.778677 | − | 1.34871i | −0.160703 | − | 0.142486i | 3.42634 | − | 1.97820i | 0.494091i | −2.39978 | + | 1.80029i | − | 0.193111i | |||
68.11 | 0.378110 | − | 0.218302i | 1.67461 | − | 0.442366i | −0.904689 | + | 1.56697i | −1.99023 | + | 3.44717i | 0.536617 | − | 0.532833i | 1.56036 | − | 0.900876i | 1.66319i | 2.60863 | − | 1.48158i | 1.73788i | ||||
68.12 | 0.378110 | − | 0.218302i | 1.67461 | − | 0.442366i | −0.904689 | + | 1.56697i | 1.99023 | − | 3.44717i | 0.536617 | − | 0.532833i | −1.56036 | + | 0.900876i | 1.66319i | 2.60863 | − | 1.48158i | − | 1.73788i | |||
68.13 | 1.27130 | − | 0.733984i | −1.57305 | + | 0.724930i | 0.0774660 | − | 0.134175i | −1.34029 | + | 2.32145i | −1.46772 | + | 2.07619i | −3.08525 | + | 1.78127i | 2.70850i | 1.94895 | − | 2.28070i | 3.93501i | ||||
68.14 | 1.27130 | − | 0.733984i | −1.57305 | + | 0.724930i | 0.0774660 | − | 0.134175i | 1.34029 | − | 2.32145i | −1.46772 | + | 2.07619i | 3.08525 | − | 1.78127i | 2.70850i | 1.94895 | − | 2.28070i | − | 3.93501i | |||
68.15 | 2.15089 | − | 1.24182i | −0.157396 | + | 1.72488i | 2.08422 | − | 3.60997i | −1.77102 | + | 3.06750i | 1.80345 | + | 3.90549i | 3.95624 | − | 2.28414i | − | 5.38559i | −2.95045 | − | 0.542979i | 8.79713i | |||
68.16 | 2.15089 | − | 1.24182i | −0.157396 | + | 1.72488i | 2.08422 | − | 3.60997i | 1.77102 | − | 3.06750i | 1.80345 | + | 3.90549i | −3.95624 | + | 2.28414i | − | 5.38559i | −2.95045 | − | 0.542979i | − | 8.79713i | ||
137.1 | −1.75416 | − | 1.01277i | −0.0980475 | + | 1.72927i | 1.05139 | + | 1.82106i | −1.64829 | − | 2.85493i | 1.92334 | − | 2.93413i | 2.39846 | + | 1.38475i | − | 0.208179i | −2.98077 | − | 0.339102i | 6.67733i | |||
137.2 | −1.75416 | − | 1.01277i | −0.0980475 | + | 1.72927i | 1.05139 | + | 1.82106i | 1.64829 | + | 2.85493i | 1.92334 | − | 2.93413i | −2.39846 | − | 1.38475i | − | 0.208179i | −2.98077 | − | 0.339102i | − | 6.67733i | ||
137.3 | −1.66670 | − | 0.962270i | −0.603119 | − | 1.62365i | 0.851929 | + | 1.47558i | −1.59706 | − | 2.76619i | −0.557174 | + | 3.28651i | −1.36206 | − | 0.786387i | 0.569939i | −2.27250 | + | 1.95851i | 6.14721i | ||||
137.4 | −1.66670 | − | 0.962270i | −0.603119 | − | 1.62365i | 0.851929 | + | 1.47558i | 1.59706 | + | 2.76619i | −0.557174 | + | 3.28651i | 1.36206 | + | 0.786387i | 0.569939i | −2.27250 | + | 1.95851i | − | 6.14721i | |||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
9.d | odd | 6 | 1 | inner |
23.b | odd | 2 | 1 | inner |
207.g | even | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 207.2.g.b | ✓ | 32 |
3.b | odd | 2 | 1 | 621.2.g.b | 32 | ||
9.c | even | 3 | 1 | 621.2.g.b | 32 | ||
9.c | even | 3 | 1 | 1863.2.c.b | 32 | ||
9.d | odd | 6 | 1 | inner | 207.2.g.b | ✓ | 32 |
9.d | odd | 6 | 1 | 1863.2.c.b | 32 | ||
23.b | odd | 2 | 1 | inner | 207.2.g.b | ✓ | 32 |
69.c | even | 2 | 1 | 621.2.g.b | 32 | ||
207.f | odd | 6 | 1 | 621.2.g.b | 32 | ||
207.f | odd | 6 | 1 | 1863.2.c.b | 32 | ||
207.g | even | 6 | 1 | inner | 207.2.g.b | ✓ | 32 |
207.g | even | 6 | 1 | 1863.2.c.b | 32 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
207.2.g.b | ✓ | 32 | 1.a | even | 1 | 1 | trivial |
207.2.g.b | ✓ | 32 | 9.d | odd | 6 | 1 | inner |
207.2.g.b | ✓ | 32 | 23.b | odd | 2 | 1 | inner |
207.2.g.b | ✓ | 32 | 207.g | even | 6 | 1 | inner |
621.2.g.b | 32 | 3.b | odd | 2 | 1 | ||
621.2.g.b | 32 | 9.c | even | 3 | 1 | ||
621.2.g.b | 32 | 69.c | even | 2 | 1 | ||
621.2.g.b | 32 | 207.f | odd | 6 | 1 | ||
1863.2.c.b | 32 | 9.c | even | 3 | 1 | ||
1863.2.c.b | 32 | 9.d | odd | 6 | 1 | ||
1863.2.c.b | 32 | 207.f | odd | 6 | 1 | ||
1863.2.c.b | 32 | 207.g | even | 6 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{16} + 3 T_{2}^{15} - 5 T_{2}^{14} - 24 T_{2}^{13} + 25 T_{2}^{12} + 165 T_{2}^{11} + 94 T_{2}^{10} + \cdots + 1 \) acting on \(S_{2}^{\mathrm{new}}(207, [\chi])\).