Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [215,2,Mod(9,215)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(215, base_ring=CyclotomicField(42))
chi = DirichletCharacter(H, H._module([21, 2]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("215.9");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 215 = 5 \cdot 43 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 215.u (of order \(42\), degree \(12\), 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: | \(1.71678364346\) |
Analytic rank: | \(0\) |
Dimension: | \(240\) |
Relative dimension: | \(20\) over \(\Q(\zeta_{42})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{42}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
9.1 | −2.13317 | + | 1.70115i | 0.416231 | − | 2.76151i | 1.21148 | − | 5.30784i | 2.06552 | − | 0.856509i | 3.80985 | + | 6.59886i | −1.75568 | − | 1.01364i | 4.07748 | + | 8.46698i | −4.58598 | − | 1.41459i | −2.94907 | + | 5.34085i |
9.2 | −1.89883 | + | 1.51427i | −0.0257783 | + | 0.171028i | 0.867512 | − | 3.80082i | −1.73551 | − | 1.40997i | −0.210033 | − | 0.363788i | −0.172040 | − | 0.0993276i | 2.00065 | + | 4.15440i | 2.83813 | + | 0.875448i | 5.43051 | + | 0.0492737i |
9.3 | −1.66488 | + | 1.32770i | −0.179208 | + | 1.18897i | 0.564006 | − | 2.47107i | 2.11126 | + | 0.736610i | −1.28023 | − | 2.21742i | 2.98013 | + | 1.72058i | 0.493957 | + | 1.02571i | 1.48519 | + | 0.458121i | −4.49299 | + | 1.57675i |
9.4 | −1.52188 | + | 1.21366i | −0.475748 | + | 3.15638i | 0.398114 | − | 1.74425i | 0.498524 | − | 2.17979i | −3.10675 | − | 5.38104i | −1.93267 | − | 1.11583i | −0.178117 | − | 0.369863i | −6.86968 | − | 2.11902i | 1.88683 | + | 3.92242i |
9.5 | −1.36812 | + | 1.09104i | 0.307562 | − | 2.04054i | 0.236340 | − | 1.03547i | −0.232198 | + | 2.22398i | 1.80552 | + | 3.12725i | 1.25799 | + | 0.726298i | −0.712096 | − | 1.47868i | −1.20248 | − | 0.370917i | −2.10877 | − | 3.29600i |
9.6 | −0.912410 | + | 0.727623i | 0.431561 | − | 2.86322i | −0.141985 | + | 0.622076i | −1.23251 | − | 1.86572i | 1.68958 | + | 2.92644i | 0.820534 | + | 0.473735i | −1.33579 | − | 2.77379i | −5.14506 | − | 1.58704i | 2.48210 | + | 0.805496i |
9.7 | −0.827799 | + | 0.660148i | −0.315162 | + | 2.09096i | −0.195586 | + | 0.856917i | −2.03930 | + | 0.917204i | −1.11945 | − | 1.93895i | 4.30182 | + | 2.48365i | −1.32257 | − | 2.74635i | −1.40607 | − | 0.433716i | 1.08264 | − | 2.10550i |
9.8 | −0.818009 | + | 0.652341i | 0.0250402 | − | 0.166131i | −0.201451 | + | 0.882614i | −2.22810 | + | 0.188603i | 0.0878908 | + | 0.152231i | −3.37636 | − | 1.94934i | −1.31890 | − | 2.73872i | 2.83975 | + | 0.875946i | 1.69957 | − | 1.60776i |
9.9 | −0.347628 | + | 0.277224i | −0.0699697 | + | 0.464218i | −0.401050 | + | 1.75711i | 1.20248 | − | 1.88522i | −0.104369 | − | 0.180773i | 0.824132 | + | 0.475813i | −0.733536 | − | 1.52320i | 2.65612 | + | 0.819303i | 0.104612 | + | 0.988710i |
9.10 | −0.176340 | + | 0.140626i | −0.317938 | + | 2.10938i | −0.433722 | + | 1.90026i | 1.55802 | + | 1.60392i | −0.240570 | − | 0.416679i | −1.79382 | − | 1.03566i | −0.386467 | − | 0.802507i | −1.48169 | − | 0.457042i | −0.500296 | − | 0.0637365i |
9.11 | 0.176340 | − | 0.140626i | 0.317938 | − | 2.10938i | −0.433722 | + | 1.90026i | 2.06226 | + | 0.864343i | −0.240570 | − | 0.416679i | 1.79382 | + | 1.03566i | 0.386467 | + | 0.802507i | −1.48169 | − | 0.457042i | 0.485208 | − | 0.137590i |
9.12 | 0.347628 | − | 0.277224i | 0.0699697 | − | 0.464218i | −0.401050 | + | 1.75711i | −1.31558 | + | 1.80810i | −0.104369 | − | 0.180773i | −0.824132 | − | 0.475813i | 0.733536 | + | 1.52320i | 2.65612 | + | 0.819303i | 0.0439155 | + | 0.993259i |
9.13 | 0.818009 | − | 0.652341i | −0.0250402 | + | 0.166131i | −0.201451 | + | 0.882614i | −0.638451 | − | 2.14298i | 0.0878908 | + | 0.152231i | 3.37636 | + | 1.94934i | 1.31890 | + | 2.73872i | 2.83975 | + | 0.875946i | −1.92021 | − | 1.33649i |
9.14 | 0.827799 | − | 0.660148i | 0.315162 | − | 2.09096i | −0.195586 | + | 0.856917i | 0.108762 | − | 2.23342i | −1.11945 | − | 1.93895i | −4.30182 | − | 2.48365i | 1.32257 | + | 2.74635i | −1.40607 | − | 0.433716i | −1.38435 | − | 1.92062i |
9.15 | 0.912410 | − | 0.727623i | −0.431561 | + | 2.86322i | −0.141985 | + | 0.622076i | −2.18704 | − | 0.465691i | 1.68958 | + | 2.92644i | −0.820534 | − | 0.473735i | 1.33579 | + | 2.77379i | −5.14506 | − | 1.58704i | −2.33432 | + | 1.16644i |
9.16 | 1.36812 | − | 1.09104i | −0.307562 | + | 2.04054i | 0.236340 | − | 1.03547i | 1.98541 | − | 1.02866i | 1.80552 | + | 3.12725i | −1.25799 | − | 0.726298i | 0.712096 | + | 1.47868i | −1.20248 | − | 0.370917i | 1.59397 | − | 3.57348i |
9.17 | 1.52188 | − | 1.21366i | 0.475748 | − | 3.15638i | 0.398114 | − | 1.74425i | −1.84698 | + | 1.26043i | −3.10675 | − | 5.38104i | 1.93267 | + | 1.11583i | 0.178117 | + | 0.369863i | −6.86968 | − | 2.11902i | −1.28115 | + | 4.15983i |
9.18 | 1.66488 | − | 1.32770i | 0.179208 | − | 1.18897i | 0.564006 | − | 2.47107i | 1.45702 | + | 1.69620i | −1.28023 | − | 2.21742i | −2.98013 | − | 1.72058i | −0.493957 | − | 1.02571i | 1.48519 | + | 0.458121i | 4.67781 | + | 0.889489i |
9.19 | 1.89883 | − | 1.51427i | 0.0257783 | − | 0.171028i | 0.867512 | − | 3.80082i | −1.94656 | − | 1.10042i | −0.210033 | − | 0.363788i | 0.172040 | + | 0.0993276i | −2.00065 | − | 4.15440i | 2.83813 | + | 0.875448i | −5.36251 | + | 0.858098i |
9.20 | 2.13317 | − | 1.70115i | −0.416231 | + | 2.76151i | 1.21148 | − | 5.30784i | −0.0426808 | + | 2.23566i | 3.80985 | + | 6.59886i | 1.75568 | + | 1.01364i | −4.07748 | − | 8.46698i | −4.58598 | − | 1.41459i | 3.71215 | + | 4.84166i |
See next 80 embeddings (of 240 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.b | even | 2 | 1 | inner |
43.g | even | 21 | 1 | inner |
215.u | even | 42 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 215.2.u.a | ✓ | 240 |
5.b | even | 2 | 1 | inner | 215.2.u.a | ✓ | 240 |
43.g | even | 21 | 1 | inner | 215.2.u.a | ✓ | 240 |
215.u | even | 42 | 1 | inner | 215.2.u.a | ✓ | 240 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
215.2.u.a | ✓ | 240 | 1.a | even | 1 | 1 | trivial |
215.2.u.a | ✓ | 240 | 5.b | even | 2 | 1 | inner |
215.2.u.a | ✓ | 240 | 43.g | even | 21 | 1 | inner |
215.2.u.a | ✓ | 240 | 215.u | even | 42 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(215, [\chi])\).