Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [639,2,Mod(214,639)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(639, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([4, 0]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("639.214");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 639 = 3^{2} \cdot 71 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 639.e (of order \(3\), 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: | \(5.10244068916\) |
Analytic rank: | \(0\) |
Dimension: | \(80\) |
Relative dimension: | \(40\) over \(\Q(\zeta_{3})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{3}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
214.1 | −1.36005 | + | 2.35568i | 1.23903 | + | 1.21029i | −2.69948 | − | 4.67564i | 1.62873 | + | 2.82105i | −4.53620 | + | 1.27269i | −1.95659 | + | 3.38892i | 9.24552 | 0.0703777 | + | 2.99917i | −8.86065 | ||||
214.2 | −1.30843 | + | 2.26626i | −1.28395 | − | 1.16253i | −2.42397 | − | 4.19843i | −1.69881 | − | 2.94243i | 4.31455 | − | 1.38869i | 1.90309 | − | 3.29624i | 7.45263 | 0.297069 | + | 2.98526i | 8.89111 | ||||
214.3 | −1.28366 | + | 2.22337i | 0.441492 | − | 1.67484i | −2.29559 | − | 3.97608i | −0.468290 | − | 0.811102i | 3.15706 | + | 3.13153i | −1.13616 | + | 1.96788i | 6.65241 | −2.61017 | − | 1.47885i | 2.40451 | ||||
214.4 | −1.26234 | + | 2.18644i | 1.38222 | − | 1.04378i | −2.18701 | − | 3.78801i | 1.38662 | + | 2.40169i | 0.537326 | + | 4.33974i | 1.47513 | − | 2.55501i | 5.99362 | 0.821054 | − | 2.88546i | −7.00153 | ||||
214.5 | −1.19772 | + | 2.07451i | −1.42543 | + | 0.983940i | −1.86906 | − | 3.23730i | −0.248174 | − | 0.429850i | −0.333925 | − | 4.13556i | −2.60510 | + | 4.51216i | 4.16353 | 1.06372 | − | 2.80508i | 1.18897 | ||||
214.6 | −1.15761 | + | 2.00503i | −1.62526 | − | 0.598763i | −1.68010 | − | 2.91002i | −0.309840 | − | 0.536659i | 3.08195 | − | 2.56557i | −0.401024 | + | 0.694594i | 3.14914 | 2.28296 | + | 1.94630i | 1.43469 | ||||
214.7 | −1.01342 | + | 1.75530i | −0.454420 | − | 1.67138i | −1.05405 | − | 1.82566i | 1.98751 | + | 3.44248i | 3.39428 | + | 0.896168i | 0.900865 | − | 1.56034i | 0.219082 | −2.58701 | + | 1.51901i | −8.05675 | ||||
214.8 | −0.952775 | + | 1.65026i | 1.67500 | − | 0.440892i | −0.815562 | − | 1.41259i | −1.71559 | − | 2.97149i | −0.868311 | + | 3.18424i | −1.98604 | + | 3.43991i | −0.702912 | 2.61123 | − | 1.47699i | 6.53829 | ||||
214.9 | −0.866095 | + | 1.50012i | −1.02522 | + | 1.39604i | −0.500241 | − | 0.866443i | 0.446083 | + | 0.772638i | −1.20629 | − | 2.74706i | 1.85339 | − | 3.21017i | −1.73135 | −0.897844 | − | 2.86249i | −1.54540 | ||||
214.10 | −0.825837 | + | 1.43039i | −1.18875 | + | 1.25971i | −0.364014 | − | 0.630491i | −1.10416 | − | 1.91246i | −0.820168 | − | 2.74070i | 0.668525 | − | 1.15792i | −2.10088 | −0.173748 | − | 2.99496i | 3.64742 | ||||
214.11 | −0.773700 | + | 1.34009i | 1.01250 | + | 1.40529i | −0.197225 | − | 0.341603i | 0.0584390 | + | 0.101219i | −2.66659 | + | 0.269559i | −1.15194 | + | 1.99522i | −2.48443 | −0.949701 | + | 2.84571i | −0.180857 | ||||
214.12 | −0.697611 | + | 1.20830i | −1.72145 | − | 0.191349i | 0.0266787 | + | 0.0462089i | 0.625279 | + | 1.08301i | 1.43211 | − | 1.94653i | 2.13046 | − | 3.69007i | −2.86489 | 2.92677 | + | 0.658796i | −1.74481 | ||||
214.13 | −0.587656 | + | 1.01785i | 1.14258 | + | 1.30173i | 0.309320 | + | 0.535759i | −1.91279 | − | 3.31305i | −1.99641 | + | 0.398009i | −0.398852 | + | 0.690833i | −3.07772 | −0.389005 | + | 2.97467i | 4.49625 | ||||
214.14 | −0.575128 | + | 0.996150i | −1.15856 | − | 1.28753i | 0.338456 | + | 0.586223i | 0.880940 | + | 1.52583i | 1.94890 | − | 0.413604i | −2.52643 | + | 4.37591i | −3.07913 | −0.315479 | + | 2.98337i | −2.02661 | ||||
214.15 | −0.471484 | + | 0.816634i | 1.07893 | − | 1.35495i | 0.555406 | + | 0.961991i | 1.40492 | + | 2.43340i | 0.597802 | + | 1.51993i | −0.0661639 | + | 0.114599i | −2.93340 | −0.671805 | − | 2.92381i | −2.64959 | ||||
214.16 | −0.408974 | + | 0.708363i | 0.538260 | + | 1.64629i | 0.665481 | + | 1.15265i | 1.30084 | + | 2.25311i | −1.38631 | − | 0.292006i | −0.373723 | + | 0.647308i | −2.72455 | −2.42055 | + | 1.77227i | −2.12803 | ||||
214.17 | −0.257079 | + | 0.445273i | 1.72325 | − | 0.174379i | 0.867821 | + | 1.50311i | −1.16991 | − | 2.02634i | −0.365365 | + | 0.812146i | 1.56398 | − | 2.70890i | −1.92071 | 2.93918 | − | 0.600997i | 1.20303 | ||||
214.18 | −0.157476 | + | 0.272757i | 0.574136 | − | 1.63413i | 0.950402 | + | 1.64615i | −1.21380 | − | 2.10236i | 0.355307 | + | 0.413936i | −2.47252 | + | 4.28253i | −1.22857 | −2.34074 | − | 1.87642i | 0.764577 | ||||
214.19 | −0.0750929 | + | 0.130065i | 1.59972 | − | 0.663993i | 0.988722 | + | 1.71252i | −0.786266 | − | 1.36185i | −0.0337658 | + | 0.257929i | 0.292078 | − | 0.505893i | −0.597356 | 2.11823 | − | 2.12441i | 0.236172 | ||||
214.20 | 0.0383906 | − | 0.0664944i | −1.62826 | + | 0.590554i | 0.997052 | + | 1.72695i | 0.217271 | + | 0.376325i | −0.0232415 | + | 0.130942i | 0.974662 | − | 1.68816i | 0.306672 | 2.30249 | − | 1.92316i | 0.0333647 | ||||
See all 80 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
9.c | even | 3 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 639.2.e.c | ✓ | 80 |
9.c | even | 3 | 1 | inner | 639.2.e.c | ✓ | 80 |
9.c | even | 3 | 1 | 5751.2.a.k | 40 | ||
9.d | odd | 6 | 1 | 5751.2.a.l | 40 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
639.2.e.c | ✓ | 80 | 1.a | even | 1 | 1 | trivial |
639.2.e.c | ✓ | 80 | 9.c | even | 3 | 1 | inner |
5751.2.a.k | 40 | 9.c | even | 3 | 1 | ||
5751.2.a.l | 40 | 9.d | odd | 6 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{80} - 2 T_{2}^{79} + 65 T_{2}^{78} - 120 T_{2}^{77} + 2258 T_{2}^{76} - 3916 T_{2}^{75} + \cdots + 3272481 \) acting on \(S_{2}^{\mathrm{new}}(639, [\chi])\).