Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [108,5,Mod(7,108)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(108, base_ring=CyclotomicField(18))
chi = DirichletCharacter(H, H._module([9, 16]))
N = Newforms(chi, 5, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("108.7");
S:= CuspForms(chi, 5);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 108 = 2^{2} \cdot 3^{3} \) |
Weight: | \( k \) | \(=\) | \( 5 \) |
Character orbit: | \([\chi]\) | \(=\) | 108.j (of order \(18\), degree \(6\), 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: | \(11.1639560131\) |
Analytic rank: | \(0\) |
Dimension: | \(420\) |
Relative dimension: | \(70\) over \(\Q(\zeta_{18})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{18}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
7.1 | −3.99762 | − | 0.137857i | 5.81196 | − | 6.87176i | 15.9620 | + | 1.10220i | −8.59701 | − | 48.7561i | −24.1814 | + | 26.6695i | 32.6195 | − | 38.8744i | −63.6581 | − | 6.60665i | −13.4422 | − | 79.8768i | 27.6463 | + | 196.094i |
7.2 | −3.98892 | − | 0.297585i | −6.50989 | + | 6.21461i | 15.8229 | + | 2.37409i | −0.917019 | − | 5.20068i | 27.8168 | − | 22.8523i | −5.99386 | + | 7.14320i | −62.4097 | − | 14.1787i | 3.75733 | − | 80.9128i | 2.11027 | + | 21.0179i |
7.3 | −3.96940 | − | 0.493852i | 8.74142 | + | 2.14186i | 15.5122 | + | 3.92059i | 3.38596 | + | 19.2027i | −33.6404 | − | 12.8189i | 59.9969 | − | 71.5016i | −59.6380 | − | 23.2231i | 71.8248 | + | 37.4459i | −3.95691 | − | 77.8955i |
7.4 | −3.96518 | − | 0.526660i | 6.87028 | − | 5.81371i | 15.4453 | + | 4.17660i | 4.27785 | + | 24.2609i | −30.3037 | + | 19.4341i | −42.2969 | + | 50.4075i | −59.0435 | − | 24.6954i | 13.4016 | − | 79.8836i | −4.18518 | − | 98.4516i |
7.5 | −3.93992 | + | 0.690649i | −2.62931 | − | 8.60736i | 15.0460 | − | 5.44221i | −0.426714 | − | 2.42002i | 16.3040 | + | 32.0964i | −27.6515 | + | 32.9538i | −55.5215 | + | 31.8334i | −67.1734 | + | 45.2629i | 3.35260 | + | 9.23997i |
7.6 | −3.93576 | + | 0.713980i | 0.964020 | + | 8.94822i | 14.9805 | − | 5.62011i | 7.19320 | + | 40.7946i | −10.1830 | − | 34.5298i | −36.3946 | + | 43.3734i | −54.9469 | + | 32.8152i | −79.1413 | + | 17.2525i | −57.4373 | − | 155.422i |
7.7 | −3.88326 | + | 0.959324i | −8.67232 | − | 2.40643i | 14.1594 | − | 7.45061i | −2.07418 | − | 11.7633i | 35.9854 | + | 1.02521i | 23.6467 | − | 28.1810i | −47.8370 | + | 42.5161i | 69.4182 | + | 41.7386i | 19.3394 | + | 43.6900i |
7.8 | −3.76323 | − | 1.35575i | 4.63322 | + | 7.71578i | 12.3239 | + | 10.2040i | −5.82341 | − | 33.0262i | −6.97519 | − | 35.3178i | −25.3950 | + | 30.2645i | −32.5435 | − | 55.1083i | −38.0666 | + | 71.4978i | −22.8605 | + | 132.180i |
7.9 | −3.62636 | − | 1.68805i | −8.87066 | − | 1.52033i | 10.3010 | + | 12.2430i | 7.76842 | + | 44.0569i | 29.6018 | + | 20.4874i | 7.01781 | − | 8.36350i | −16.6883 | − | 61.7859i | 76.3772 | + | 26.9726i | 46.1991 | − | 172.880i |
7.10 | −3.59139 | + | 1.76123i | 8.67232 | + | 2.40643i | 9.79617 | − | 12.6505i | −2.07418 | − | 11.7633i | −35.3839 | + | 6.63149i | −23.6467 | + | 28.1810i | −12.9015 | + | 62.6861i | 69.4182 | + | 41.7386i | 28.1670 | + | 38.5934i |
7.11 | −3.47391 | + | 1.98292i | −0.964020 | − | 8.94822i | 8.13606 | − | 13.7770i | 7.19320 | + | 40.7946i | 21.0925 | + | 29.1737i | 36.3946 | − | 43.3734i | −0.945324 | + | 63.9930i | −79.1413 | + | 17.2525i | −105.881 | − | 127.453i |
7.12 | −3.46210 | + | 2.00347i | 2.62931 | + | 8.60736i | 7.97224 | − | 13.8724i | −0.426714 | − | 2.42002i | −26.3475 | − | 24.5318i | 27.6515 | − | 32.9538i | 0.192185 | + | 63.9997i | −67.1734 | + | 45.2629i | 6.32575 | + | 7.52343i |
7.13 | −3.43437 | − | 2.05063i | 0.424142 | − | 8.99000i | 7.58985 | + | 14.0852i | 2.37776 | + | 13.4850i | −19.8918 | + | 30.0053i | 18.1869 | − | 21.6743i | 2.81722 | − | 63.9380i | −80.6402 | − | 7.62607i | 19.4865 | − | 51.1883i |
7.14 | −3.38252 | − | 2.13508i | −5.83883 | − | 6.84895i | 6.88287 | + | 14.4439i | −4.58821 | − | 26.0210i | 5.12690 | + | 35.6331i | −28.7538 | + | 34.2674i | 7.55742 | − | 63.5522i | −12.8162 | + | 79.9797i | −40.0372 | + | 97.8128i |
7.15 | −3.23826 | − | 2.34812i | −1.93752 | + | 8.78897i | 4.97268 | + | 15.2076i | 0.0896331 | + | 0.508335i | 26.9118 | − | 23.9115i | 39.0942 | − | 46.5907i | 19.6065 | − | 60.9228i | −73.4920 | − | 34.0577i | 0.903374 | − | 1.85659i |
7.16 | −2.97374 | + | 2.67523i | −5.81196 | + | 6.87176i | 1.68632 | − | 15.9109i | −8.59701 | − | 48.7561i | −1.10023 | − | 35.9832i | −32.6195 | + | 38.8744i | 37.5506 | + | 51.8262i | −13.4422 | − | 79.8768i | 155.999 | + | 121.989i |
7.17 | −2.89182 | − | 2.76358i | 8.96055 | − | 0.841750i | 0.725269 | + | 15.9836i | −0.256732 | − | 1.45600i | −28.2386 | − | 22.3290i | −22.3218 | + | 26.6021i | 42.0745 | − | 48.2259i | 79.5829 | − | 15.0851i | −3.28135 | + | 4.91999i |
7.18 | −2.86440 | + | 2.79199i | 6.50989 | − | 6.21461i | 0.409598 | − | 15.9948i | −0.917019 | − | 5.20068i | −1.29583 | + | 35.9767i | 5.99386 | − | 7.14320i | 43.4839 | + | 46.9590i | 3.75733 | − | 80.9128i | 17.1469 | + | 12.3365i |
7.19 | −2.72329 | + | 2.92979i | −8.74142 | − | 2.14186i | −1.16736 | − | 15.9574i | 3.38596 | + | 19.2027i | 30.0807 | − | 19.7776i | −59.9969 | + | 71.5016i | 49.9308 | + | 40.0364i | 71.8248 | + | 37.4459i | −65.4810 | − | 42.3745i |
7.20 | −2.69897 | + | 2.95221i | −6.87028 | + | 5.81371i | −1.43111 | − | 15.9359i | 4.27785 | + | 24.2609i | 1.37940 | − | 35.9736i | 42.2969 | − | 50.4075i | 50.9086 | + | 38.7855i | 13.4016 | − | 79.8836i | −83.1690 | − | 52.8503i |
See next 80 embeddings (of 420 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
4.b | odd | 2 | 1 | inner |
27.e | even | 9 | 1 | inner |
108.j | odd | 18 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 108.5.j.a | ✓ | 420 |
4.b | odd | 2 | 1 | inner | 108.5.j.a | ✓ | 420 |
27.e | even | 9 | 1 | inner | 108.5.j.a | ✓ | 420 |
108.j | odd | 18 | 1 | inner | 108.5.j.a | ✓ | 420 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
108.5.j.a | ✓ | 420 | 1.a | even | 1 | 1 | trivial |
108.5.j.a | ✓ | 420 | 4.b | odd | 2 | 1 | inner |
108.5.j.a | ✓ | 420 | 27.e | even | 9 | 1 | inner |
108.5.j.a | ✓ | 420 | 108.j | odd | 18 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{5}^{\mathrm{new}}(108, [\chi])\).