Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [91,3,Mod(18,91)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(91, base_ring=CyclotomicField(12))
chi = DirichletCharacter(H, H._module([8, 9]))
N = Newforms(chi, 3, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("91.18");
S:= CuspForms(chi, 3);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 91 = 7 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 3 \) |
Character orbit: | \([\chi]\) | \(=\) | 91.z (of order \(12\), degree \(4\), 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: | \(2.47957040568\) |
Analytic rank: | \(0\) |
Dimension: | \(64\) |
Relative dimension: | \(16\) over \(\Q(\zeta_{12})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{12}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18.1 | −3.63762 | − | 0.974698i | 0.474554 | − | 0.821952i | 8.81816 | + | 5.09116i | −3.31141 | − | 0.887291i | −2.52740 | + | 2.52740i | −5.34298 | + | 4.52245i | −16.4631 | − | 16.4631i | 4.04960 | + | 7.01411i | 11.1808 | + | 6.45526i |
18.2 | −2.94467 | − | 0.789022i | 1.92646 | − | 3.33673i | 4.58442 | + | 2.64681i | 5.86383 | + | 1.57121i | −8.30554 | + | 8.30554i | 6.99826 | + | 0.156132i | −2.78861 | − | 2.78861i | −2.92250 | − | 5.06192i | −16.0273 | − | 9.25338i |
18.3 | −2.85496 | − | 0.764984i | −2.56382 | + | 4.44067i | 4.10149 | + | 2.36799i | 4.69477 | + | 1.25796i | 10.7166 | − | 10.7166i | −5.07863 | + | 4.81742i | −1.53820 | − | 1.53820i | −8.64636 | − | 14.9759i | −12.4411 | − | 7.18284i |
18.4 | −2.57823 | − | 0.690835i | −1.69296 | + | 2.93230i | 2.70592 | + | 1.56226i | −7.64871 | − | 2.04947i | 6.39059 | − | 6.39059i | 6.11878 | − | 3.40009i | 1.65237 | + | 1.65237i | −1.23225 | − | 2.13433i | 18.3043 | + | 10.5680i |
18.5 | −2.06162 | − | 0.552409i | 1.51330 | − | 2.62111i | 0.481019 | + | 0.277716i | −3.15000 | − | 0.844041i | −4.56776 | + | 4.56776i | −5.37923 | − | 4.47927i | 5.19858 | + | 5.19858i | −0.0801289 | − | 0.138787i | 6.02785 | + | 3.48018i |
18.6 | −1.32854 | − | 0.355981i | −0.527841 | + | 0.914248i | −1.82581 | − | 1.05413i | 0.571033 | + | 0.153008i | 1.02671 | − | 1.02671i | 4.27975 | + | 5.53929i | 5.94064 | + | 5.94064i | 3.94277 | + | 6.82907i | −0.704172 | − | 0.406554i |
18.7 | −1.11174 | − | 0.297890i | −0.547345 | + | 0.948029i | −2.31687 | − | 1.33765i | 7.64950 | + | 2.04968i | 0.890915 | − | 0.890915i | −4.58582 | − | 5.28869i | 5.43270 | + | 5.43270i | 3.90083 | + | 6.75643i | −7.89370 | − | 4.55743i |
18.8 | 0.258928 | + | 0.0693796i | 2.74989 | − | 4.76295i | −3.40187 | − | 1.96407i | 5.02241 | + | 1.34575i | 1.04248 | − | 1.04248i | −4.06883 | + | 5.69602i | −1.50277 | − | 1.50277i | −10.6238 | − | 18.4009i | 1.20708 | + | 0.696906i |
18.9 | 0.300602 | + | 0.0805459i | −2.35332 | + | 4.07607i | −3.38023 | − | 1.95158i | −1.07352 | − | 0.287650i | −1.03572 | + | 1.03572i | −0.908147 | − | 6.94084i | −1.73913 | − | 1.73913i | −6.57624 | − | 11.3904i | −0.299534 | − | 0.172936i |
18.10 | 0.639350 | + | 0.171313i | −0.766761 | + | 1.32807i | −3.08468 | − | 1.78094i | −7.77723 | − | 2.08390i | −0.717745 | + | 0.717745i | −5.14954 | + | 4.74154i | −3.53924 | − | 3.53924i | 3.32416 | + | 5.75761i | −4.61537 | − | 2.66469i |
18.11 | 0.666811 | + | 0.178671i | 1.69002 | − | 2.92721i | −3.05139 | − | 1.76172i | −4.03010 | − | 1.07986i | 1.64993 | − | 1.64993i | 4.71763 | − | 5.17146i | −3.67249 | − | 3.67249i | −1.21237 | − | 2.09988i | −2.49437 | − | 1.44013i |
18.12 | 1.70421 | + | 0.456642i | −0.0320023 | + | 0.0554296i | −0.768291 | − | 0.443573i | 5.72352 | + | 1.53361i | −0.0798501 | + | 0.0798501i | 6.99775 | + | 0.177470i | −6.09705 | − | 6.09705i | 4.49795 | + | 7.79068i | 9.05376 | + | 5.22719i |
18.13 | 2.32316 | + | 0.622489i | −2.28115 | + | 3.95107i | 1.54548 | + | 0.892283i | 2.38613 | + | 0.639362i | −7.75898 | + | 7.75898i | −1.21070 | + | 6.89451i | −3.76773 | − | 3.76773i | −5.90732 | − | 10.2318i | 5.14537 | + | 2.97068i |
18.14 | 2.68203 | + | 0.718648i | 1.16854 | − | 2.02398i | 3.21272 | + | 1.85487i | 2.83733 | + | 0.760261i | 4.58860 | − | 4.58860i | −6.91411 | − | 1.09323i | −0.569900 | − | 0.569900i | 1.76901 | + | 3.06401i | 7.06345 | + | 4.07808i |
18.15 | 3.18019 | + | 0.852129i | 1.63982 | − | 2.84025i | 5.92338 | + | 3.41987i | −6.96800 | − | 1.86707i | 7.63519 | − | 7.63519i | 2.85769 | + | 6.39012i | 6.61107 | + | 6.61107i | −0.878007 | − | 1.52075i | −20.5686 | − | 11.8753i |
18.16 | 3.39607 | + | 0.909975i | −1.39738 | + | 2.42033i | 7.24117 | + | 4.18069i | −2.15558 | − | 0.577586i | −6.94805 | + | 6.94805i | 0.105956 | − | 6.99920i | 10.8428 | + | 10.8428i | 0.594658 | + | 1.02998i | −6.79492 | − | 3.92305i |
44.1 | −0.909975 | − | 3.39607i | −1.39738 | − | 2.42033i | −7.24117 | + | 4.18069i | 0.577586 | + | 2.15558i | −6.94805 | + | 6.94805i | −6.99920 | + | 0.105956i | 10.8428 | + | 10.8428i | 0.594658 | − | 1.02998i | 6.79492 | − | 3.92305i |
44.2 | −0.852129 | − | 3.18019i | 1.63982 | + | 2.84025i | −5.92338 | + | 3.41987i | 1.86707 | + | 6.96800i | 7.63519 | − | 7.63519i | 6.39012 | + | 2.85769i | 6.61107 | + | 6.61107i | −0.878007 | + | 1.52075i | 20.5686 | − | 11.8753i |
44.3 | −0.718648 | − | 2.68203i | 1.16854 | + | 2.02398i | −3.21272 | + | 1.85487i | −0.760261 | − | 2.83733i | 4.58860 | − | 4.58860i | −1.09323 | − | 6.91411i | −0.569900 | − | 0.569900i | 1.76901 | − | 3.06401i | −7.06345 | + | 4.07808i |
44.4 | −0.622489 | − | 2.32316i | −2.28115 | − | 3.95107i | −1.54548 | + | 0.892283i | −0.639362 | − | 2.38613i | −7.75898 | + | 7.75898i | 6.89451 | − | 1.21070i | −3.76773 | − | 3.76773i | −5.90732 | + | 10.2318i | −5.14537 | + | 2.97068i |
See all 64 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.c | even | 3 | 1 | inner |
13.d | odd | 4 | 1 | inner |
91.z | odd | 12 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 91.3.z.a | ✓ | 64 |
7.c | even | 3 | 1 | inner | 91.3.z.a | ✓ | 64 |
13.d | odd | 4 | 1 | inner | 91.3.z.a | ✓ | 64 |
91.z | odd | 12 | 1 | inner | 91.3.z.a | ✓ | 64 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
91.3.z.a | ✓ | 64 | 1.a | even | 1 | 1 | trivial |
91.3.z.a | ✓ | 64 | 7.c | even | 3 | 1 | inner |
91.3.z.a | ✓ | 64 | 13.d | odd | 4 | 1 | inner |
91.3.z.a | ✓ | 64 | 91.z | odd | 12 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{3}^{\mathrm{new}}(91, [\chi])\).