Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [784,2,Mod(19,784)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(784, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([6, 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("784.19");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 784 = 2^{4} \cdot 7^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 784.w (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: | \(6.26027151847\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Relative dimension: | \(8\) over \(\Q(\zeta_{12})\) |
Twist minimal: | no (minimal twist has level 112) |
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
19.1 | −1.41028 | + | 0.105414i | −0.551303 | + | 2.05749i | 1.97778 | − | 0.297327i | −3.47044 | + | 0.929901i | 0.560603 | − | 2.95975i | 0 | −2.75787 | + | 0.627801i | −1.33126 | − | 0.768605i | 4.79626 | − | 1.67725i | ||
19.2 | −1.41028 | + | 0.105414i | 0.551303 | − | 2.05749i | 1.97778 | − | 0.297327i | 3.47044 | − | 0.929901i | −0.560603 | + | 2.95975i | 0 | −2.75787 | + | 0.627801i | −1.33126 | − | 0.768605i | −4.79626 | + | 1.67725i | ||
19.3 | −0.830359 | − | 1.14477i | −0.472168 | + | 1.76215i | −0.621007 | + | 1.90114i | 0.818676 | − | 0.219363i | 2.40933 | − | 0.922696i | 0 | 2.69204 | − | 0.867721i | −0.284168 | − | 0.164064i | −0.930916 | − | 0.755047i | ||
19.4 | −0.830359 | − | 1.14477i | 0.472168 | − | 1.76215i | −0.621007 | + | 1.90114i | −0.818676 | + | 0.219363i | −2.40933 | + | 0.922696i | 0 | 2.69204 | − | 0.867721i | −0.284168 | − | 0.164064i | 0.930916 | + | 0.755047i | ||
19.5 | 0.757684 | − | 1.19412i | −0.817885 | + | 3.05239i | −0.851831 | − | 1.80953i | 0.797811 | − | 0.213773i | 3.02521 | + | 3.28940i | 0 | −2.80620 | − | 0.353863i | −6.05007 | − | 3.49301i | 0.349219 | − | 1.11465i | ||
19.6 | 0.757684 | − | 1.19412i | 0.817885 | − | 3.05239i | −0.851831 | − | 1.80953i | −0.797811 | + | 0.213773i | −3.02521 | − | 3.28940i | 0 | −2.80620 | − | 0.353863i | −6.05007 | − | 3.49301i | −0.349219 | + | 1.11465i | ||
19.7 | 1.11693 | + | 0.867450i | −0.379383 | + | 1.41588i | 0.495063 | + | 1.93776i | 2.30425 | − | 0.617422i | −1.65195 | + | 1.25234i | 0 | −1.12796 | + | 2.59378i | 0.737300 | + | 0.425680i | 3.10927 | + | 1.30921i | ||
19.8 | 1.11693 | + | 0.867450i | 0.379383 | − | 1.41588i | 0.495063 | + | 1.93776i | −2.30425 | + | 0.617422i | 1.65195 | − | 1.25234i | 0 | −1.12796 | + | 2.59378i | 0.737300 | + | 0.425680i | −3.10927 | − | 1.30921i | ||
227.1 | −1.30970 | + | 0.533564i | −1.41588 | + | 0.379383i | 1.43062 | − | 1.39762i | 0.617422 | − | 2.30425i | 1.65195 | − | 1.25234i | 0 | −1.12796 | + | 2.59378i | −0.737300 | + | 0.425680i | 0.420830 | + | 3.34731i | ||
227.2 | −1.30970 | + | 0.533564i | 1.41588 | − | 0.379383i | 1.43062 | − | 1.39762i | −0.617422 | + | 2.30425i | −1.65195 | + | 1.25234i | 0 | −1.12796 | + | 2.59378i | −0.737300 | + | 0.425680i | −0.420830 | − | 3.34731i | ||
227.3 | 0.613848 | − | 1.27404i | −2.05749 | + | 0.551303i | −1.24638 | − | 1.56414i | −0.929901 | + | 3.47044i | −0.560603 | + | 2.95975i | 0 | −2.75787 | + | 0.627801i | 1.33126 | − | 0.768605i | 3.85068 | + | 3.31506i | ||
227.4 | 0.613848 | − | 1.27404i | 2.05749 | − | 0.551303i | −1.24638 | − | 1.56414i | 0.929901 | − | 3.47044i | 0.560603 | − | 2.95975i | 0 | −2.75787 | + | 0.627801i | 1.33126 | − | 0.768605i | −3.85068 | − | 3.31506i | ||
227.5 | 0.655294 | + | 1.25323i | −3.05239 | + | 0.817885i | −1.14118 | + | 1.64247i | 0.213773 | − | 0.797811i | −3.02521 | − | 3.28940i | 0 | −2.80620 | − | 0.353863i | 6.05007 | − | 3.49301i | 1.13993 | − | 0.254894i | ||
227.6 | 0.655294 | + | 1.25323i | 3.05239 | − | 0.817885i | −1.14118 | + | 1.64247i | −0.213773 | + | 0.797811i | 3.02521 | + | 3.28940i | 0 | −2.80620 | − | 0.353863i | 6.05007 | − | 3.49301i | −1.13993 | + | 0.254894i | ||
227.7 | 1.40658 | − | 0.146726i | −1.76215 | + | 0.472168i | 1.95694 | − | 0.412764i | 0.219363 | − | 0.818676i | −2.40933 | + | 0.922696i | 0 | 2.69204 | − | 0.867721i | 0.284168 | − | 0.164064i | 0.188432 | − | 1.18372i | ||
227.8 | 1.40658 | − | 0.146726i | 1.76215 | − | 0.472168i | 1.95694 | − | 0.412764i | −0.219363 | + | 0.818676i | 2.40933 | − | 0.922696i | 0 | 2.69204 | − | 0.867721i | 0.284168 | − | 0.164064i | −0.188432 | + | 1.18372i | ||
411.1 | −1.30970 | − | 0.533564i | −1.41588 | − | 0.379383i | 1.43062 | + | 1.39762i | 0.617422 | + | 2.30425i | 1.65195 | + | 1.25234i | 0 | −1.12796 | − | 2.59378i | −0.737300 | − | 0.425680i | 0.420830 | − | 3.34731i | ||
411.2 | −1.30970 | − | 0.533564i | 1.41588 | + | 0.379383i | 1.43062 | + | 1.39762i | −0.617422 | − | 2.30425i | −1.65195 | − | 1.25234i | 0 | −1.12796 | − | 2.59378i | −0.737300 | − | 0.425680i | −0.420830 | + | 3.34731i | ||
411.3 | 0.613848 | + | 1.27404i | −2.05749 | − | 0.551303i | −1.24638 | + | 1.56414i | −0.929901 | − | 3.47044i | −0.560603 | − | 2.95975i | 0 | −2.75787 | − | 0.627801i | 1.33126 | + | 0.768605i | 3.85068 | − | 3.31506i | ||
411.4 | 0.613848 | + | 1.27404i | 2.05749 | + | 0.551303i | −1.24638 | + | 1.56414i | 0.929901 | + | 3.47044i | 0.560603 | + | 2.95975i | 0 | −2.75787 | − | 0.627801i | 1.33126 | + | 0.768605i | −3.85068 | + | 3.31506i | ||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.b | odd | 2 | 1 | inner |
7.c | even | 3 | 1 | inner |
7.d | odd | 6 | 1 | inner |
16.f | odd | 4 | 1 | inner |
112.j | even | 4 | 1 | inner |
112.u | odd | 12 | 1 | inner |
112.v | even | 12 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 784.2.w.e | 32 | |
7.b | odd | 2 | 1 | inner | 784.2.w.e | 32 | |
7.c | even | 3 | 1 | 112.2.j.d | ✓ | 16 | |
7.c | even | 3 | 1 | inner | 784.2.w.e | 32 | |
7.d | odd | 6 | 1 | 112.2.j.d | ✓ | 16 | |
7.d | odd | 6 | 1 | inner | 784.2.w.e | 32 | |
16.f | odd | 4 | 1 | inner | 784.2.w.e | 32 | |
28.f | even | 6 | 1 | 448.2.j.d | 16 | ||
28.g | odd | 6 | 1 | 448.2.j.d | 16 | ||
56.j | odd | 6 | 1 | 896.2.j.h | 16 | ||
56.k | odd | 6 | 1 | 896.2.j.g | 16 | ||
56.m | even | 6 | 1 | 896.2.j.g | 16 | ||
56.p | even | 6 | 1 | 896.2.j.h | 16 | ||
112.j | even | 4 | 1 | inner | 784.2.w.e | 32 | |
112.u | odd | 12 | 1 | 112.2.j.d | ✓ | 16 | |
112.u | odd | 12 | 1 | inner | 784.2.w.e | 32 | |
112.u | odd | 12 | 1 | 896.2.j.h | 16 | ||
112.v | even | 12 | 1 | 112.2.j.d | ✓ | 16 | |
112.v | even | 12 | 1 | inner | 784.2.w.e | 32 | |
112.v | even | 12 | 1 | 896.2.j.h | 16 | ||
112.w | even | 12 | 1 | 448.2.j.d | 16 | ||
112.w | even | 12 | 1 | 896.2.j.g | 16 | ||
112.x | odd | 12 | 1 | 448.2.j.d | 16 | ||
112.x | odd | 12 | 1 | 896.2.j.g | 16 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
112.2.j.d | ✓ | 16 | 7.c | even | 3 | 1 | |
112.2.j.d | ✓ | 16 | 7.d | odd | 6 | 1 | |
112.2.j.d | ✓ | 16 | 112.u | odd | 12 | 1 | |
112.2.j.d | ✓ | 16 | 112.v | even | 12 | 1 | |
448.2.j.d | 16 | 28.f | even | 6 | 1 | ||
448.2.j.d | 16 | 28.g | odd | 6 | 1 | ||
448.2.j.d | 16 | 112.w | even | 12 | 1 | ||
448.2.j.d | 16 | 112.x | odd | 12 | 1 | ||
784.2.w.e | 32 | 1.a | even | 1 | 1 | trivial | |
784.2.w.e | 32 | 7.b | odd | 2 | 1 | inner | |
784.2.w.e | 32 | 7.c | even | 3 | 1 | inner | |
784.2.w.e | 32 | 7.d | odd | 6 | 1 | inner | |
784.2.w.e | 32 | 16.f | odd | 4 | 1 | inner | |
784.2.w.e | 32 | 112.j | even | 4 | 1 | inner | |
784.2.w.e | 32 | 112.u | odd | 12 | 1 | inner | |
784.2.w.e | 32 | 112.v | even | 12 | 1 | inner | |
896.2.j.g | 16 | 56.k | odd | 6 | 1 | ||
896.2.j.g | 16 | 56.m | even | 6 | 1 | ||
896.2.j.g | 16 | 112.w | even | 12 | 1 | ||
896.2.j.g | 16 | 112.x | odd | 12 | 1 | ||
896.2.j.h | 16 | 56.j | odd | 6 | 1 | ||
896.2.j.h | 16 | 56.p | even | 6 | 1 | ||
896.2.j.h | 16 | 112.u | odd | 12 | 1 | ||
896.2.j.h | 16 | 112.v | even | 12 | 1 |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(784, [\chi])\):
\( T_{3}^{32} - 136 T_{3}^{28} + 14504 T_{3}^{24} - 466176 T_{3}^{20} + 10613040 T_{3}^{16} + \cdots + 11019960576 \) |
\( T_{5}^{32} - 200 T_{5}^{28} + 34408 T_{5}^{24} - 1107712 T_{5}^{20} + 30200368 T_{5}^{16} + \cdots + 1679616 \) |