Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [19,13,Mod(2,19)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(19, base_ring=CyclotomicField(18))
chi = DirichletCharacter(H, H._module([1]))
N = Newforms(chi, 13, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("19.2");
S:= CuspForms(chi, 13);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 19 \) |
Weight: | \( k \) | \(=\) | \( 13 \) |
Character orbit: | \([\chi]\) | \(=\) | 19.f (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: | \(17.3658825282\) |
Analytic rank: | \(0\) |
Dimension: | \(114\) |
Relative dimension: | \(19\) 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2.1 | −125.219 | − | 22.0794i | −639.516 | + | 762.146i | 11343.2 | + | 4128.59i | 152.064 | − | 55.3466i | 96907.1 | − | 81314.7i | 63066.5 | + | 109234.i | −878193. | − | 507025.i | −79601.5 | − | 451443.i | −20263.2 | + | 3572.95i |
2.2 | −106.226 | − | 18.7305i | 615.064 | − | 733.004i | 7084.16 | + | 2578.43i | −6666.14 | + | 2426.28i | −79065.3 | + | 66343.7i | −8377.10 | − | 14509.6i | −321605. | − | 185679.i | −66708.2 | − | 378321.i | 753563. | − | 132873.i |
2.3 | −92.8242 | − | 16.3674i | 49.1377 | − | 58.5601i | 4499.46 | + | 1637.67i | 25909.3 | − | 9430.22i | −5519.65 | + | 4631.53i | −31927.9 | − | 55300.7i | −56505.5 | − | 32623.5i | 91269.0 | + | 517612.i | −2.55936e6 | + | 451284.i |
2.4 | −90.2919 | − | 15.9209i | −39.4517 | + | 47.0168i | 4050.18 | + | 1474.14i | −18256.2 | + | 6644.71i | 4310.72 | − | 3617.13i | −31029.5 | − | 53744.6i | −17000.8 | − | 9815.39i | 91629.6 | + | 519657.i | 1.75418e6 | − | 309309.i |
2.5 | −68.5242 | − | 12.0827i | −414.801 | + | 494.341i | 700.596 | + | 254.996i | −3634.58 | + | 1322.88i | 34396.9 | − | 28862.4i | 47041.8 | + | 81478.7i | 201895. | + | 116564.i | 19970.9 | + | 113261.i | 265041. | − | 46733.9i |
2.6 | −61.5131 | − | 10.8464i | −868.138 | + | 1034.61i | −182.766 | − | 66.5213i | −2035.56 | + | 740.884i | 64623.6 | − | 54225.6i | −102093. | − | 176830.i | 232089. | + | 133997.i | −224463. | − | 1.27299e6i | 133250. | − | 23495.5i |
2.7 | −48.1411 | − | 8.48858i | 678.709 | − | 808.854i | −1603.47 | − | 583.615i | 2260.55 | − | 822.772i | −39539.8 | + | 33177.9i | 103172. | + | 178699.i | 245641. | + | 141821.i | −101315. | − | 574586.i | −115809. | + | 20420.3i |
2.8 | −19.5268 | − | 3.44310i | −353.750 | + | 421.583i | −3479.54 | − | 1266.45i | 15118.6 | − | 5502.73i | 8359.14 | − | 7014.15i | 55900.2 | + | 96821.9i | 133918. | + | 77317.8i | 39690.8 | + | 225098.i | −314164. | + | 55395.7i |
2.9 | −19.0357 | − | 3.35651i | 628.115 | − | 748.559i | −3497.89 | − | 1273.13i | 11499.3 | − | 4185.39i | −14469.2 | + | 12141.1i | −96665.3 | − | 167429.i | 130877. | + | 75562.1i | −73527.4 | − | 416995.i | −232945. | + | 41074.5i |
2.10 | −15.5048 | − | 2.73392i | 119.265 | − | 142.134i | −3616.06 | − | 1316.14i | −20464.5 | + | 7448.45i | −2237.76 | + | 1877.70i | −26822.1 | − | 46457.3i | 108316. | + | 62536.2i | 86305.7 | + | 489464.i | 337661. | − | 59538.7i |
2.11 | 26.3501 | + | 4.64623i | −520.087 | + | 619.815i | −3176.24 | − | 1156.06i | 12842.5 | − | 4674.29i | −16584.1 | + | 13915.7i | −49981.3 | − | 86570.1i | −173235. | − | 100017.i | −21396.9 | − | 121348.i | 360119. | − | 63498.7i |
2.12 | 33.2458 | + | 5.86212i | −816.645 | + | 973.239i | −2778.07 | − | 1011.13i | −24550.7 | + | 8935.74i | −32855.2 | + | 27568.8i | 93629.5 | + | 162171.i | −206181. | − | 119039.i | −188002. | − | 1.06621e6i | −868590. | + | 153156.i |
2.13 | 45.9254 | + | 8.09788i | 180.097 | − | 214.631i | −1805.42 | − | 657.118i | −2261.02 | + | 822.942i | 10009.1 | − | 8398.60i | 15668.1 | + | 27137.9i | −243015. | − | 140305.i | 78652.2 | + | 446059.i | −110502. | + | 19484.5i |
2.14 | 62.4371 | + | 11.0094i | 428.070 | − | 510.154i | −71.7903 | − | 26.1295i | 20294.4 | − | 7386.57i | 32343.9 | − | 27139.8i | 52199.4 | + | 90412.0i | −229091. | − | 132266.i | 15270.6 | + | 86603.9i | 1.34845e6 | − | 237768.i |
2.15 | 62.7075 | + | 11.0570i | 909.303 | − | 1083.66i | −39.0035 | − | 14.1961i | −24504.3 | + | 8918.82i | 69002.2 | − | 57899.8i | 7081.21 | + | 12265.0i | −228159. | − | 131728.i | −255214. | − | 1.44739e6i | −1.63522e6 | + | 288333.i |
2.16 | 86.6858 | + | 15.2850i | −418.686 | + | 498.971i | 3431.82 | + | 1249.08i | −7734.69 | + | 2815.20i | −43920.9 | + | 36854.1i | −67746.9 | − | 117341.i | −33841.4 | − | 19538.4i | 18610.0 | + | 105543.i | −713518. | + | 125813.i |
2.17 | 105.726 | + | 18.6424i | −748.552 | + | 892.089i | 6981.56 | + | 2541.08i | 25880.8 | − | 9419.84i | −95772.4 | + | 80362.6i | 69192.8 | + | 119846.i | 309941. | + | 178944.i | −143210. | − | 812183.i | 2.91189e6 | − | 513445.i |
2.18 | 110.294 | + | 19.4478i | 582.814 | − | 694.571i | 7937.60 | + | 2889.05i | 11803.1 | − | 4295.98i | 77788.9 | − | 65272.6i | −79067.6 | − | 136949.i | 422009. | + | 243647.i | −50472.5 | − | 286244.i | 1.38536e6 | − | 244277.i |
2.19 | 111.495 | + | 19.6595i | 45.8459 | − | 54.6370i | 8195.57 | + | 2982.94i | −12813.2 | + | 4663.62i | 6185.70 | − | 5190.42i | 66340.0 | + | 114904.i | 453519. | + | 261839.i | 91400.4 | + | 518357.i | −1.52029e6 | + | 268067.i |
3.1 | −76.3528 | + | 90.9938i | 189.716 | + | 521.239i | −1738.85 | − | 9861.49i | −4101.54 | + | 23261.0i | −61914.9 | − | 22535.2i | −50249.9 | − | 87035.3i | 608745. | + | 351459.i | 171409. | − | 143829.i | −1.80344e6 | − | 2.14926e6i |
See next 80 embeddings (of 114 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
19.f | odd | 18 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 19.13.f.a | ✓ | 114 |
19.f | odd | 18 | 1 | inner | 19.13.f.a | ✓ | 114 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
19.13.f.a | ✓ | 114 | 1.a | even | 1 | 1 | trivial |
19.13.f.a | ✓ | 114 | 19.f | odd | 18 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{13}^{\mathrm{new}}(19, [\chi])\).