Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [763,2,Mod(435,763)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(763, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 1]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("763.435");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 763 = 7 \cdot 109 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 763.c (of order \(2\), degree \(1\), 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: | \(6.09258567422\) |
Analytic rank: | \(0\) |
Dimension: | \(28\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-expansion
The algebraic \(q\)-expansion of this newform has not been computed, 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
435.1 | − | 2.72335i | −2.24541 | −5.41663 | −0.508233 | 6.11503i | −1.00000 | 9.30468i | 2.04186 | 1.38410i | |||||||||||||||||
435.2 | − | 2.60208i | 1.74623 | −4.77080 | −2.83819 | − | 4.54382i | −1.00000 | 7.20983i | 0.0493198 | 7.38520i | ||||||||||||||||
435.3 | − | 2.03111i | 1.16381 | −2.12542 | −0.790334 | − | 2.36383i | −1.00000 | 0.254743i | −1.64555 | 1.60526i | ||||||||||||||||
435.4 | − | 2.03010i | −0.527316 | −2.12129 | 1.66866 | 1.07050i | −1.00000 | 0.246225i | −2.72194 | − | 3.38754i | ||||||||||||||||
435.5 | − | 2.01326i | 2.92249 | −2.05321 | 2.30449 | − | 5.88374i | −1.00000 | 0.107119i | 5.54098 | − | 4.63954i | |||||||||||||||
435.6 | − | 1.74938i | −1.50489 | −1.06034 | −3.61345 | 2.63263i | −1.00000 | − | 1.64382i | −0.735304 | 6.32131i | ||||||||||||||||
435.7 | − | 1.69948i | −3.20546 | −0.888226 | 3.89077 | 5.44761i | −1.00000 | − | 1.88944i | 7.27497 | − | 6.61227i | |||||||||||||||
435.8 | − | 1.40921i | 1.77451 | 0.0141177 | 1.75083 | − | 2.50066i | −1.00000 | − | 2.83832i | 0.148878 | − | 2.46729i | ||||||||||||||
435.9 | − | 1.13244i | −0.497369 | 0.717586 | −1.01001 | 0.563239i | −1.00000 | − | 3.07750i | −2.75262 | 1.14377i | ||||||||||||||||
435.10 | − | 0.626400i | 0.950191 | 1.60762 | −3.22959 | − | 0.595200i | −1.00000 | − | 2.25982i | −2.09714 | 2.02301i | |||||||||||||||
435.11 | − | 0.602737i | 3.01902 | 1.63671 | −0.478153 | − | 1.81967i | −1.00000 | − | 2.19198i | 6.11448 | 0.288201i | |||||||||||||||
435.12 | − | 0.524750i | −1.68921 | 1.72464 | 1.57634 | 0.886415i | −1.00000 | − | 1.95450i | −0.146554 | − | 0.827182i | |||||||||||||||
435.13 | − | 0.493199i | −2.83891 | 1.75675 | −1.68559 | 1.40015i | −1.00000 | − | 1.85283i | 5.05941 | 0.831329i | ||||||||||||||||
435.14 | − | 0.146670i | 0.932315 | 1.97849 | 3.96246 | − | 0.136743i | −1.00000 | − | 0.583524i | −2.13079 | − | 0.581174i | ||||||||||||||
435.15 | 0.146670i | 0.932315 | 1.97849 | 3.96246 | 0.136743i | −1.00000 | 0.583524i | −2.13079 | 0.581174i | ||||||||||||||||||
435.16 | 0.493199i | −2.83891 | 1.75675 | −1.68559 | − | 1.40015i | −1.00000 | 1.85283i | 5.05941 | − | 0.831329i | ||||||||||||||||
435.17 | 0.524750i | −1.68921 | 1.72464 | 1.57634 | − | 0.886415i | −1.00000 | 1.95450i | −0.146554 | 0.827182i | |||||||||||||||||
435.18 | 0.602737i | 3.01902 | 1.63671 | −0.478153 | 1.81967i | −1.00000 | 2.19198i | 6.11448 | − | 0.288201i | |||||||||||||||||
435.19 | 0.626400i | 0.950191 | 1.60762 | −3.22959 | 0.595200i | −1.00000 | 2.25982i | −2.09714 | − | 2.02301i | |||||||||||||||||
435.20 | 1.13244i | −0.497369 | 0.717586 | −1.01001 | − | 0.563239i | −1.00000 | 3.07750i | −2.75262 | − | 1.14377i | ||||||||||||||||
See all 28 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
109.b | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 763.2.c.b | ✓ | 28 |
109.b | even | 2 | 1 | inner | 763.2.c.b | ✓ | 28 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
763.2.c.b | ✓ | 28 | 1.a | even | 1 | 1 | trivial |
763.2.c.b | ✓ | 28 | 109.b | even | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{28} + 37 T_{2}^{26} + 597 T_{2}^{24} + 5534 T_{2}^{22} + 32672 T_{2}^{20} + 128663 T_{2}^{18} + \cdots + 16 \) acting on \(S_{2}^{\mathrm{new}}(763, [\chi])\).