Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [847,2,Mod(17,847)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(847, base_ring=CyclotomicField(330))
chi = DirichletCharacter(H, H._module([55, 147]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("847.17");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 847 = 7 \cdot 11^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 847.be (of order \(330\), degree \(80\), 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: | \(6.76332905120\) |
Analytic rank: | \(0\) |
Dimension: | \(6880\) |
Relative dimension: | \(86\) over \(\Q(\zeta_{330})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{330}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
17.1 | −2.08791 | + | 1.74070i | −1.20069 | − | 2.69680i | 0.969529 | − | 5.30150i | −1.44070 | + | 1.06783i | 7.20128 | + | 3.54063i | −0.641783 | + | 2.56673i | 4.53065 | + | 8.02273i | −3.82369 | + | 4.24664i | 1.14928 | − | 4.73738i |
17.2 | −2.05985 | + | 1.71731i | 0.130199 | + | 0.292432i | 0.934033 | − | 5.10740i | 2.69195 | − | 1.99524i | −0.770386 | − | 0.378773i | −2.55328 | + | 0.693363i | 4.20954 | + | 7.45413i | 1.93883 | − | 2.15329i | −2.11855 | + | 8.73279i |
17.3 | −2.04726 | + | 1.70682i | 0.307526 | + | 0.690714i | 0.918275 | − | 5.02123i | −0.820089 | + | 0.607841i | −1.80851 | − | 0.889184i | 1.21954 | + | 2.34792i | 4.06902 | + | 7.20529i | 1.62488 | − | 1.80461i | 0.641465 | − | 2.64415i |
17.4 | −2.02092 | + | 1.68486i | −0.275222 | − | 0.618158i | 0.885599 | − | 4.84256i | 0.706785 | − | 0.523862i | 1.59771 | + | 0.785541i | 2.64537 | − | 0.0446952i | 3.78166 | + | 6.69645i | 1.70102 | − | 1.88917i | −0.545727 | + | 2.24952i |
17.5 | −2.00976 | + | 1.67555i | 0.842269 | + | 1.89177i | 0.871880 | − | 4.76754i | −0.510600 | + | 0.378452i | −4.86251 | − | 2.39074i | 0.0860555 | − | 2.64435i | 3.66264 | + | 6.48569i | −0.861977 | + | 0.957322i | 0.392070 | − | 1.61613i |
17.6 | −1.86476 | + | 1.55466i | 0.916760 | + | 2.05908i | 0.700564 | − | 3.83076i | −0.591258 | + | 0.438234i | −4.91070 | − | 2.41443i | −2.58033 | + | 0.584716i | 2.26148 | + | 4.00457i | −1.39196 | + | 1.54592i | 0.421248 | − | 1.73641i |
17.7 | −1.85077 | + | 1.54300i | 1.17420 | + | 2.63731i | 0.684718 | − | 3.74412i | −2.93036 | + | 2.17195i | −6.24255 | − | 3.06926i | 2.22866 | + | 1.42586i | 2.14015 | + | 3.78972i | −3.56924 | + | 3.96404i | 2.07210 | − | 8.54133i |
17.8 | −1.83365 | + | 1.52873i | −0.138547 | − | 0.311183i | 0.665481 | − | 3.63892i | −3.22431 | + | 2.38982i | 0.729760 | + | 0.358799i | −2.57491 | − | 0.608149i | 1.99482 | + | 3.53236i | 1.92975 | − | 2.14321i | 2.25887 | − | 9.31119i |
17.9 | −1.78226 | + | 1.48588i | −1.08301 | − | 2.43248i | 0.608813 | − | 3.32906i | 3.08248 | − | 2.28470i | 5.54456 | + | 2.72608i | −0.149837 | + | 2.64151i | 1.57948 | + | 2.79689i | −2.73664 | + | 3.03935i | −2.09898 | + | 8.65212i |
17.10 | −1.77561 | + | 1.48033i | −0.509664 | − | 1.14472i | 0.601599 | − | 3.28961i | 1.79345 | − | 1.32928i | 2.59954 | + | 1.27811i | −0.744238 | − | 2.53892i | 1.52800 | + | 2.70573i | 0.956755 | − | 1.06258i | −1.21667 | + | 5.01519i |
17.11 | −1.73569 | + | 1.44706i | −0.981739 | − | 2.20502i | 0.558861 | − | 3.05592i | −2.62084 | + | 1.94254i | 4.89479 | + | 2.40660i | 2.62119 | − | 0.359701i | 1.22966 | + | 2.17744i | −1.89092 | + | 2.10008i | 1.73800 | − | 7.16415i |
17.12 | −1.63343 | + | 1.36180i | −1.34163 | − | 3.01334i | 0.453798 | − | 2.48142i | 0.470532 | − | 0.348753i | 6.29501 | + | 3.09505i | −0.710835 | − | 2.54847i | 0.546473 | + | 0.967679i | −5.27288 | + | 5.85613i | −0.293647 | + | 1.21043i |
17.13 | −1.62401 | + | 1.35395i | −0.309931 | − | 0.696116i | 0.444447 | − | 2.43029i | −1.48332 | + | 1.09942i | 1.44584 | + | 0.710870i | 1.15240 | − | 2.38159i | 0.489280 | + | 0.866402i | 1.61887 | − | 1.79794i | 0.920366 | − | 3.79380i |
17.14 | −1.57573 | + | 1.31370i | −0.784235 | − | 1.76142i | 0.397338 | − | 2.17269i | 1.15753 | − | 0.857946i | 3.54972 | + | 1.74528i | −2.60659 | + | 0.453528i | 0.210563 | + | 0.372858i | −0.480188 | + | 0.533303i | −0.696868 | + | 2.87253i |
17.15 | −1.56186 | + | 1.30213i | 0.309898 | + | 0.696043i | 0.384068 | − | 2.10013i | 2.58460 | − | 1.91568i | −1.39036 | − | 0.683593i | 2.59551 | − | 0.513166i | 0.134946 | + | 0.238958i | 1.61895 | − | 1.79803i | −1.54232 | + | 6.35753i |
17.16 | −1.50090 | + | 1.25131i | 0.812051 | + | 1.82390i | 0.327137 | − | 1.78882i | 1.60533 | − | 1.18985i | −3.50107 | − | 1.72136i | 0.153479 | + | 2.64130i | −0.174414 | − | 0.308846i | −0.659782 | + | 0.732762i | −0.920565 | + | 3.79462i |
17.17 | −1.49075 | + | 1.24284i | 0.979694 | + | 2.20043i | 0.317872 | − | 1.73816i | −0.0234651 | + | 0.0173921i | −4.19527 | − | 2.06267i | 1.67794 | − | 2.04561i | −0.222384 | − | 0.393791i | −1.87469 | + | 2.08206i | 0.0133649 | − | 0.0550907i |
17.18 | −1.39089 | + | 1.15959i | −0.0705075 | − | 0.158362i | 0.230127 | − | 1.25836i | −0.770439 | + | 0.571041i | 0.281704 | + | 0.138505i | −0.0295781 | + | 2.64559i | −0.641820 | − | 1.13652i | 1.98728 | − | 2.20710i | 0.409420 | − | 1.68765i |
17.19 | −1.34720 | + | 1.12317i | −0.810888 | − | 1.82128i | 0.193649 | − | 1.05889i | −0.159322 | + | 0.118088i | 3.13804 | + | 1.54287i | 1.40647 | + | 2.24095i | −0.796549 | − | 1.41051i | −0.652142 | + | 0.724277i | 0.0820060 | − | 0.338034i |
17.20 | −1.29646 | + | 1.08087i | 1.35842 | + | 3.05106i | 0.152745 | − | 0.835226i | 1.93078 | − | 1.43107i | −5.05892 | − | 2.48730i | −1.99539 | − | 1.73736i | −0.955273 | − | 1.69157i | −5.45626 | + | 6.05979i | −0.956379 | + | 3.94225i |
See next 80 embeddings (of 6880 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.d | odd | 6 | 1 | inner |
121.h | odd | 110 | 1 | inner |
847.be | even | 330 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 847.2.be.a | ✓ | 6880 |
7.d | odd | 6 | 1 | inner | 847.2.be.a | ✓ | 6880 |
121.h | odd | 110 | 1 | inner | 847.2.be.a | ✓ | 6880 |
847.be | even | 330 | 1 | inner | 847.2.be.a | ✓ | 6880 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
847.2.be.a | ✓ | 6880 | 1.a | even | 1 | 1 | trivial |
847.2.be.a | ✓ | 6880 | 7.d | odd | 6 | 1 | inner |
847.2.be.a | ✓ | 6880 | 121.h | odd | 110 | 1 | inner |
847.2.be.a | ✓ | 6880 | 847.be | even | 330 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(847, [\chi])\).