Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [819,2,Mod(73,819)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(819, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([0, 2, 3]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("819.73");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 819 = 3^{2} \cdot 7 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 819.fn (of order \(12\), degree \(4\), 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: | \(6.53974792554\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Relative dimension: | \(8\) over \(\Q(\zeta_{12})\) |
Twist minimal: | no (minimal twist has level 91) |
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
73.1 | −0.697597 | + | 2.60347i | 0 | −4.55935 | − | 2.63234i | −2.44137 | − | 0.654162i | 0 | 0.722189 | + | 2.54528i | 6.22207 | − | 6.22207i | 0 | 3.40618 | − | 5.89968i | ||||||
73.2 | −0.493585 | + | 1.84208i | 0 | −1.41759 | − | 0.818448i | 3.30509 | + | 0.885596i | 0 | −1.12943 | + | 2.39257i | −0.489646 | + | 0.489646i | 0 | −3.26268 | + | 5.65113i | ||||||
73.3 | −0.423548 | + | 1.58070i | 0 | −0.587174 | − | 0.339005i | 2.77274 | + | 0.742954i | 0 | 1.92960 | − | 1.81015i | −1.52975 | + | 1.52975i | 0 | −2.34878 | + | 4.06820i | ||||||
73.4 | −0.200025 | + | 0.746505i | 0 | 1.21479 | + | 0.701360i | −1.76272 | − | 0.472319i | 0 | −2.63734 | + | 0.210751i | −1.85952 | + | 1.85952i | 0 | 0.705177 | − | 1.22140i | ||||||
73.5 | 0.186083 | − | 0.694471i | 0 | 1.28439 | + | 0.741542i | 1.87130 | + | 0.501414i | 0 | −0.783278 | − | 2.52715i | 1.77076 | − | 1.77076i | 0 | 0.696434 | − | 1.20626i | ||||||
73.6 | 0.211401 | − | 0.788958i | 0 | 1.15429 | + | 0.666428i | −3.03793 | − | 0.814012i | 0 | 2.28951 | − | 1.32595i | 1.92491 | − | 1.92491i | 0 | −1.28444 | + | 2.22472i | ||||||
73.7 | 0.411280 | − | 1.53492i | 0 | −0.454770 | − | 0.262561i | 0.0769162 | + | 0.0206096i | 0 | 1.52171 | + | 2.16435i | 1.65723 | − | 1.65723i | 0 | 0.0632682 | − | 0.109584i | ||||||
73.8 | 0.639966 | − | 2.38839i | 0 | −3.56278 | − | 2.05697i | 1.58199 | + | 0.423894i | 0 | −2.54693 | + | 0.716327i | −3.69606 | + | 3.69606i | 0 | 2.02484 | − | 3.50713i | ||||||
460.1 | −0.697597 | − | 2.60347i | 0 | −4.55935 | + | 2.63234i | −2.44137 | + | 0.654162i | 0 | 0.722189 | − | 2.54528i | 6.22207 | + | 6.22207i | 0 | 3.40618 | + | 5.89968i | ||||||
460.2 | −0.493585 | − | 1.84208i | 0 | −1.41759 | + | 0.818448i | 3.30509 | − | 0.885596i | 0 | −1.12943 | − | 2.39257i | −0.489646 | − | 0.489646i | 0 | −3.26268 | − | 5.65113i | ||||||
460.3 | −0.423548 | − | 1.58070i | 0 | −0.587174 | + | 0.339005i | 2.77274 | − | 0.742954i | 0 | 1.92960 | + | 1.81015i | −1.52975 | − | 1.52975i | 0 | −2.34878 | − | 4.06820i | ||||||
460.4 | −0.200025 | − | 0.746505i | 0 | 1.21479 | − | 0.701360i | −1.76272 | + | 0.472319i | 0 | −2.63734 | − | 0.210751i | −1.85952 | − | 1.85952i | 0 | 0.705177 | + | 1.22140i | ||||||
460.5 | 0.186083 | + | 0.694471i | 0 | 1.28439 | − | 0.741542i | 1.87130 | − | 0.501414i | 0 | −0.783278 | + | 2.52715i | 1.77076 | + | 1.77076i | 0 | 0.696434 | + | 1.20626i | ||||||
460.6 | 0.211401 | + | 0.788958i | 0 | 1.15429 | − | 0.666428i | −3.03793 | + | 0.814012i | 0 | 2.28951 | + | 1.32595i | 1.92491 | + | 1.92491i | 0 | −1.28444 | − | 2.22472i | ||||||
460.7 | 0.411280 | + | 1.53492i | 0 | −0.454770 | + | 0.262561i | 0.0769162 | − | 0.0206096i | 0 | 1.52171 | − | 2.16435i | 1.65723 | + | 1.65723i | 0 | 0.0632682 | + | 0.109584i | ||||||
460.8 | 0.639966 | + | 2.38839i | 0 | −3.56278 | + | 2.05697i | 1.58199 | − | 0.423894i | 0 | −2.54693 | − | 0.716327i | −3.69606 | − | 3.69606i | 0 | 2.02484 | + | 3.50713i | ||||||
577.1 | −2.38839 | − | 0.639966i | 0 | 3.56278 | + | 2.05697i | 0.423894 | − | 1.58199i | 0 | −0.716327 | − | 2.54693i | −3.69606 | − | 3.69606i | 0 | −2.02484 | + | 3.50713i | ||||||
577.2 | −1.53492 | − | 0.411280i | 0 | 0.454770 | + | 0.262561i | 0.0206096 | − | 0.0769162i | 0 | −2.16435 | + | 1.52171i | 1.65723 | + | 1.65723i | 0 | −0.0632682 | + | 0.109584i | ||||||
577.3 | −0.788958 | − | 0.211401i | 0 | −1.15429 | − | 0.666428i | −0.814012 | + | 3.03793i | 0 | 1.32595 | + | 2.28951i | 1.92491 | + | 1.92491i | 0 | 1.28444 | − | 2.22472i | ||||||
577.4 | −0.694471 | − | 0.186083i | 0 | −1.28439 | − | 0.741542i | 0.501414 | − | 1.87130i | 0 | 2.52715 | − | 0.783278i | 1.77076 | + | 1.77076i | 0 | −0.696434 | + | 1.20626i | ||||||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.d | odd | 6 | 1 | inner |
13.d | odd | 4 | 1 | inner |
91.bb | even | 12 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 819.2.fn.e | 32 | |
3.b | odd | 2 | 1 | 91.2.bb.a | ✓ | 32 | |
7.d | odd | 6 | 1 | inner | 819.2.fn.e | 32 | |
13.d | odd | 4 | 1 | inner | 819.2.fn.e | 32 | |
21.c | even | 2 | 1 | 637.2.bc.b | 32 | ||
21.g | even | 6 | 1 | 91.2.bb.a | ✓ | 32 | |
21.g | even | 6 | 1 | 637.2.i.a | 32 | ||
21.h | odd | 6 | 1 | 637.2.i.a | 32 | ||
21.h | odd | 6 | 1 | 637.2.bc.b | 32 | ||
39.f | even | 4 | 1 | 91.2.bb.a | ✓ | 32 | |
91.bb | even | 12 | 1 | inner | 819.2.fn.e | 32 | |
273.o | odd | 4 | 1 | 637.2.bc.b | 32 | ||
273.cb | odd | 12 | 1 | 91.2.bb.a | ✓ | 32 | |
273.cb | odd | 12 | 1 | 637.2.i.a | 32 | ||
273.cd | even | 12 | 1 | 637.2.i.a | 32 | ||
273.cd | even | 12 | 1 | 637.2.bc.b | 32 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
91.2.bb.a | ✓ | 32 | 3.b | odd | 2 | 1 | |
91.2.bb.a | ✓ | 32 | 21.g | even | 6 | 1 | |
91.2.bb.a | ✓ | 32 | 39.f | even | 4 | 1 | |
91.2.bb.a | ✓ | 32 | 273.cb | odd | 12 | 1 | |
637.2.i.a | 32 | 21.g | even | 6 | 1 | ||
637.2.i.a | 32 | 21.h | odd | 6 | 1 | ||
637.2.i.a | 32 | 273.cb | odd | 12 | 1 | ||
637.2.i.a | 32 | 273.cd | even | 12 | 1 | ||
637.2.bc.b | 32 | 21.c | even | 2 | 1 | ||
637.2.bc.b | 32 | 21.h | odd | 6 | 1 | ||
637.2.bc.b | 32 | 273.o | odd | 4 | 1 | ||
637.2.bc.b | 32 | 273.cd | even | 12 | 1 | ||
819.2.fn.e | 32 | 1.a | even | 1 | 1 | trivial | |
819.2.fn.e | 32 | 7.d | odd | 6 | 1 | inner | |
819.2.fn.e | 32 | 13.d | odd | 4 | 1 | inner | |
819.2.fn.e | 32 | 91.bb | even | 12 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(819, [\chi])\):
\( T_{2}^{32} - 2 T_{2}^{31} + 2 T_{2}^{30} - 12 T_{2}^{29} - 37 T_{2}^{28} + 118 T_{2}^{27} - 90 T_{2}^{26} + \cdots + 50625 \) |
\( T_{19}^{32} - 12 T_{19}^{31} + 72 T_{19}^{30} - 288 T_{19}^{29} - 364 T_{19}^{28} + \cdots + 338395192861441 \) |