Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [861,2,Mod(19,861)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(861, base_ring=CyclotomicField(120))
chi = DirichletCharacter(H, H._module([0, 100, 27]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("861.19");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 861 = 3 \cdot 7 \cdot 41 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 861.ci (of order \(120\), degree \(32\), 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: | \(6.87511961403\) |
Analytic rank: | \(0\) |
Dimension: | \(1792\) |
Relative dimension: | \(56\) over \(\Q(\zeta_{120})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{120}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
19.1 | −0.146171 | + | 2.78911i | −0.793353 | − | 0.608761i | −5.76872 | − | 0.606317i | −2.12837 | − | 0.817003i | 1.81387 | − | 2.12377i | −0.749695 | − | 2.53731i | 1.66048 | − | 10.4839i | 0.258819 | + | 0.965926i | 2.58982 | − | 5.81682i |
19.2 | −0.143898 | + | 2.74574i | −0.793353 | − | 0.608761i | −5.52933 | − | 0.581157i | 3.00858 | + | 1.15489i | 1.78566 | − | 2.09074i | −0.800122 | + | 2.52187i | 1.53113 | − | 9.66717i | 0.258819 | + | 0.965926i | −3.60395 | + | 8.09460i |
19.3 | −0.136721 | + | 2.60879i | 0.793353 | + | 0.608761i | −4.79807 | − | 0.504298i | −0.369414 | − | 0.141805i | −1.69660 | + | 1.98647i | −1.17330 | + | 2.37137i | 1.15428 | − | 7.28781i | 0.258819 | + | 0.965926i | 0.420446 | − | 0.944336i |
19.4 | −0.132097 | + | 2.52057i | 0.793353 | + | 0.608761i | −4.34676 | − | 0.456863i | −3.35114 | − | 1.28638i | −1.63922 | + | 1.91928i | 2.61716 | − | 0.387934i | 0.936060 | − | 5.91005i | 0.258819 | + | 0.965926i | 3.68509 | − | 8.27686i |
19.5 | −0.131116 | + | 2.50184i | 0.793353 | + | 0.608761i | −4.25299 | − | 0.447007i | 0.640190 | + | 0.245746i | −1.62705 | + | 1.90503i | 2.20989 | − | 1.45478i | 0.892155 | − | 5.63284i | 0.258819 | + | 0.965926i | −0.698758 | + | 1.56944i |
19.6 | −0.121782 | + | 2.32374i | −0.793353 | − | 0.608761i | −3.39588 | − | 0.356922i | −3.43338 | − | 1.31795i | 1.51122 | − | 1.76941i | 2.20419 | + | 1.46340i | 0.514927 | − | 3.25112i | 0.258819 | + | 0.965926i | 3.48070 | − | 7.81778i |
19.7 | −0.121435 | + | 2.31712i | −0.793353 | − | 0.608761i | −3.36526 | − | 0.353703i | −1.39955 | − | 0.537236i | 1.50691 | − | 1.76437i | −0.0317108 | + | 2.64556i | 0.502283 | − | 3.17129i | 0.258819 | + | 0.965926i | 1.41479 | − | 3.17768i |
19.8 | −0.114313 | + | 2.18121i | 0.793353 | + | 0.608761i | −2.75559 | − | 0.289624i | 3.90467 | + | 1.49886i | −1.41853 | + | 1.66088i | 1.20894 | + | 2.35339i | 0.263359 | − | 1.66278i | 0.258819 | + | 0.965926i | −3.71569 | + | 8.34557i |
19.9 | −0.110336 | + | 2.10533i | −0.793353 | − | 0.608761i | −2.43119 | − | 0.255528i | 0.0694164 | + | 0.0266465i | 1.36918 | − | 1.60310i | −2.64167 | − | 0.146905i | 0.146622 | − | 0.925738i | 0.258819 | + | 0.965926i | −0.0637586 | + | 0.143204i |
19.10 | −0.107536 | + | 2.05190i | 0.793353 | + | 0.608761i | −2.20969 | − | 0.232248i | 0.482441 | + | 0.185192i | −1.33443 | + | 1.56242i | −1.80042 | − | 1.93868i | 0.0713137 | − | 0.450257i | 0.258819 | + | 0.965926i | −0.431875 | + | 0.970007i |
19.11 | −0.0990105 | + | 1.88923i | −0.793353 | − | 0.608761i | −1.57036 | − | 0.165051i | 0.980356 | + | 0.376323i | 1.22864 | − | 1.43856i | −0.159200 | − | 2.64096i | −0.124592 | + | 0.786641i | 0.258819 | + | 0.965926i | −0.808028 | + | 1.81486i |
19.12 | −0.0976441 | + | 1.86316i | 0.793353 | + | 0.608761i | −1.47279 | − | 0.154796i | −0.260966 | − | 0.100176i | −1.21169 | + | 1.41870i | 0.614871 | + | 2.57331i | −0.151505 | + | 0.956567i | 0.258819 | + | 0.965926i | 0.212125 | − | 0.476441i |
19.13 | −0.0904834 | + | 1.72653i | 0.793353 | + | 0.608761i | −0.983662 | − | 0.103387i | −2.02542 | − | 0.777486i | −1.12283 | + | 1.31466i | −1.61038 | − | 2.09921i | −0.273412 | + | 1.72626i | 0.258819 | + | 0.965926i | 1.52562 | − | 3.42659i |
19.14 | −0.0870888 | + | 1.66175i | −0.793353 | − | 0.608761i | −0.764799 | − | 0.0803836i | 3.91509 | + | 1.50286i | 1.08070 | − | 1.26534i | −2.45902 | + | 0.976341i | −0.320442 | + | 2.02319i | 0.258819 | + | 0.965926i | −2.83835 | + | 6.37503i |
19.15 | −0.0830929 | + | 1.58551i | 0.793353 | + | 0.608761i | −0.517887 | − | 0.0544321i | 2.80671 | + | 1.07739i | −1.03112 | + | 1.20728i | −2.57849 | − | 0.592771i | −0.367402 | + | 2.31968i | 0.258819 | + | 0.965926i | −1.94143 | + | 4.36053i |
19.16 | −0.0776716 | + | 1.48206i | −0.793353 | − | 0.608761i | −0.201434 | − | 0.0211715i | −2.23543 | − | 0.858101i | 0.963844 | − | 1.12852i | 1.57288 | − | 2.12745i | −0.417305 | + | 2.63476i | 0.258819 | + | 0.965926i | 1.44539 | − | 3.24640i |
19.17 | −0.0700176 | + | 1.33602i | −0.793353 | − | 0.608761i | 0.209010 | + | 0.0219678i | 0.821301 | + | 0.315268i | 0.868863 | − | 1.01731i | 0.0333939 | + | 2.64554i | −0.462555 | + | 2.92046i | 0.258819 | + | 0.965926i | −0.478709 | + | 1.07520i |
19.18 | −0.0666355 | + | 1.27148i | −0.793353 | − | 0.608761i | 0.376819 | + | 0.0396053i | 2.66526 | + | 1.02310i | 0.826894 | − | 0.968169i | 2.64233 | − | 0.134433i | −0.473820 | + | 2.99158i | 0.258819 | + | 0.965926i | −1.47845 | + | 3.32066i |
19.19 | −0.0589508 | + | 1.12485i | 0.793353 | + | 0.608761i | 0.727235 | + | 0.0764354i | 2.18799 | + | 0.839891i | −0.731533 | + | 0.856515i | 2.59156 | + | 0.532756i | −0.481263 | + | 3.03857i | 0.258819 | + | 0.965926i | −1.07373 | + | 2.41165i |
19.20 | −0.0520452 | + | 0.993082i | 0.793353 | + | 0.608761i | 1.00554 | + | 0.105687i | −2.65786 | − | 1.02026i | −0.645840 | + | 0.756182i | 0.587556 | − | 2.57969i | −0.468420 | + | 2.95749i | 0.258819 | + | 0.965926i | 1.15153 | − | 2.58638i |
See next 80 embeddings (of 1792 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.d | odd | 6 | 1 | inner |
41.h | odd | 40 | 1 | inner |
287.be | even | 120 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 861.2.ci.a | ✓ | 1792 |
7.d | odd | 6 | 1 | inner | 861.2.ci.a | ✓ | 1792 |
41.h | odd | 40 | 1 | inner | 861.2.ci.a | ✓ | 1792 |
287.be | even | 120 | 1 | inner | 861.2.ci.a | ✓ | 1792 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
861.2.ci.a | ✓ | 1792 | 1.a | even | 1 | 1 | trivial |
861.2.ci.a | ✓ | 1792 | 7.d | odd | 6 | 1 | inner |
861.2.ci.a | ✓ | 1792 | 41.h | odd | 40 | 1 | inner |
861.2.ci.a | ✓ | 1792 | 287.be | even | 120 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(861, [\chi])\).