Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [285,2,Mod(4,285)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(285, base_ring=CyclotomicField(18))
chi = DirichletCharacter(H, H._module([0, 9, 2]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("285.4");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 285 = 3 \cdot 5 \cdot 19 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 285.be (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: | \(2.27573645761\) |
Analytic rank: | \(0\) |
Dimension: | \(120\) |
Relative dimension: | \(20\) 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4.1 | −0.928566 | + | 2.55121i | 0.984808 | − | 0.173648i | −4.11437 | − | 3.45237i | −0.517404 | − | 2.17538i | −0.471445 | + | 2.67370i | 4.29857 | + | 2.48178i | 7.92577 | − | 4.57594i | 0.939693 | − | 0.342020i | 6.03031 | + | 0.699978i |
4.2 | −0.892261 | + | 2.45147i | −0.984808 | + | 0.173648i | −3.68147 | − | 3.08912i | 1.53740 | − | 1.62370i | 0.453013 | − | 2.56916i | −2.64336 | − | 1.52614i | 6.33915 | − | 3.65991i | 0.939693 | − | 0.342020i | 2.60869 | + | 5.21765i |
4.3 | −0.743551 | + | 2.04289i | −0.984808 | + | 0.173648i | −2.08844 | − | 1.75241i | 1.17871 | + | 1.90017i | 0.377511 | − | 2.14097i | 3.63754 | + | 2.10013i | 1.36737 | − | 0.789454i | 0.939693 | − | 0.342020i | −4.75827 | + | 0.995106i |
4.4 | −0.642738 | + | 1.76591i | −0.984808 | + | 0.173648i | −1.17323 | − | 0.984456i | −1.84371 | − | 1.26521i | 0.326327 | − | 1.85069i | 0.268978 | + | 0.155294i | −0.762403 | + | 0.440173i | 0.939693 | − | 0.342020i | 3.41926 | − | 2.44262i |
4.5 | −0.517612 | + | 1.42213i | 0.984808 | − | 0.173648i | −0.222438 | − | 0.186648i | 0.216290 | + | 2.22558i | −0.262799 | + | 1.49041i | 2.31097 | + | 1.33424i | −2.24071 | + | 1.29367i | 0.939693 | − | 0.342020i | −3.27702 | − | 0.844398i |
4.6 | −0.513721 | + | 1.41144i | 0.984808 | − | 0.173648i | −0.196156 | − | 0.164594i | 1.96066 | − | 1.07508i | −0.260823 | + | 1.47920i | −1.05300 | − | 0.607949i | −2.26849 | + | 1.30971i | 0.939693 | − | 0.342020i | 0.510176 | + | 3.31964i |
4.7 | −0.442699 | + | 1.21631i | −0.984808 | + | 0.173648i | 0.248670 | + | 0.208659i | −0.296783 | + | 2.21629i | 0.224764 | − | 1.27470i | −3.57134 | − | 2.06191i | −2.60579 | + | 1.50445i | 0.939693 | − | 0.342020i | −2.56430 | − | 1.34213i |
4.8 | −0.419721 | + | 1.15317i | 0.984808 | − | 0.173648i | 0.378445 | + | 0.317553i | −2.21620 | + | 0.297450i | −0.213098 | + | 1.20854i | 1.17230 | + | 0.676827i | −2.65058 | + | 1.53031i | 0.939693 | − | 0.342020i | 0.587172 | − | 2.68050i |
4.9 | −0.141205 | + | 0.387956i | −0.984808 | + | 0.173648i | 1.40152 | + | 1.17601i | 2.23352 | + | 0.106744i | 0.0716914 | − | 0.406582i | 0.754049 | + | 0.435350i | −1.36923 | + | 0.790524i | 0.939693 | − | 0.342020i | −0.356795 | + | 0.851435i |
4.10 | −0.0411715 | + | 0.113118i | −0.984808 | + | 0.173648i | 1.52099 | + | 1.27626i | −1.67801 | − | 1.47794i | 0.0209033 | − | 0.118549i | 1.56369 | + | 0.902797i | −0.415489 | + | 0.239883i | 0.939693 | − | 0.342020i | 0.236267 | − | 0.128963i |
4.11 | 0.0411715 | − | 0.113118i | 0.984808 | − | 0.173648i | 1.52099 | + | 1.27626i | 1.16410 | + | 1.90915i | 0.0209033 | − | 0.118549i | −1.56369 | − | 0.902797i | 0.415489 | − | 0.239883i | 0.939693 | − | 0.342020i | 0.263887 | − | 0.0530777i |
4.12 | 0.141205 | − | 0.387956i | 0.984808 | − | 0.173648i | 1.40152 | + | 1.17601i | 0.282724 | − | 2.21812i | 0.0716914 | − | 0.406582i | −0.754049 | − | 0.435350i | 1.36923 | − | 0.790524i | 0.939693 | − | 0.342020i | −0.820613 | − | 0.422893i |
4.13 | 0.419721 | − | 1.15317i | −0.984808 | + | 0.173648i | 0.378445 | + | 0.317553i | −0.677769 | + | 2.13088i | −0.213098 | + | 1.20854i | −1.17230 | − | 0.676827i | 2.65058 | − | 1.53031i | 0.939693 | − | 0.342020i | 2.17279 | + | 1.67596i |
4.14 | 0.442699 | − | 1.21631i | 0.984808 | − | 0.173648i | 0.248670 | + | 0.208659i | −2.23415 | − | 0.0925794i | 0.224764 | − | 1.27470i | 3.57134 | + | 2.06191i | 2.60579 | − | 1.50445i | 0.939693 | − | 0.342020i | −1.10166 | + | 2.67643i |
4.15 | 0.513721 | − | 1.41144i | −0.984808 | + | 0.173648i | −0.196156 | − | 0.164594i | 1.39921 | − | 1.74419i | −0.260823 | + | 1.47920i | 1.05300 | + | 0.607949i | 2.26849 | − | 1.30971i | 0.939693 | − | 0.342020i | −1.74301 | − | 2.87093i |
4.16 | 0.517612 | − | 1.42213i | −0.984808 | + | 0.173648i | −0.222438 | − | 0.186648i | −2.15421 | − | 0.599472i | −0.262799 | + | 1.49041i | −2.31097 | − | 1.33424i | 2.24071 | − | 1.29367i | 0.939693 | − | 0.342020i | −1.96757 | + | 2.75327i |
4.17 | 0.642738 | − | 1.76591i | 0.984808 | − | 0.173648i | −1.17323 | − | 0.984456i | 0.925829 | + | 2.03540i | 0.326327 | − | 1.85069i | −0.268978 | − | 0.155294i | 0.762403 | − | 0.440173i | 0.939693 | − | 0.342020i | 4.18939 | − | 0.326702i |
4.18 | 0.743551 | − | 2.04289i | 0.984808 | − | 0.173648i | −2.08844 | − | 1.75241i | −1.66662 | − | 1.49077i | 0.377511 | − | 2.14097i | −3.63754 | − | 2.10013i | −1.36737 | + | 0.789454i | 0.939693 | − | 0.342020i | −4.28469 | + | 2.29626i |
4.19 | 0.892261 | − | 2.45147i | 0.984808 | − | 0.173648i | −3.68147 | − | 3.08912i | 1.86600 | − | 1.23209i | 0.453013 | − | 2.56916i | 2.64336 | + | 1.52614i | −6.33915 | + | 3.65991i | 0.939693 | − | 0.342020i | −1.35546 | − | 5.67378i |
4.20 | 0.928566 | − | 2.55121i | −0.984808 | + | 0.173648i | −4.11437 | − | 3.45237i | 2.05249 | + | 0.887295i | −0.471445 | + | 2.67370i | −4.29857 | − | 2.48178i | −7.92577 | + | 4.57594i | 0.939693 | − | 0.342020i | 4.16955 | − | 4.41242i |
See next 80 embeddings (of 120 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.b | even | 2 | 1 | inner |
19.e | even | 9 | 1 | inner |
95.p | even | 18 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 285.2.be.a | ✓ | 120 |
3.b | odd | 2 | 1 | 855.2.da.d | 120 | ||
5.b | even | 2 | 1 | inner | 285.2.be.a | ✓ | 120 |
15.d | odd | 2 | 1 | 855.2.da.d | 120 | ||
19.e | even | 9 | 1 | inner | 285.2.be.a | ✓ | 120 |
57.l | odd | 18 | 1 | 855.2.da.d | 120 | ||
95.p | even | 18 | 1 | inner | 285.2.be.a | ✓ | 120 |
285.bd | odd | 18 | 1 | 855.2.da.d | 120 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
285.2.be.a | ✓ | 120 | 1.a | even | 1 | 1 | trivial |
285.2.be.a | ✓ | 120 | 5.b | even | 2 | 1 | inner |
285.2.be.a | ✓ | 120 | 19.e | even | 9 | 1 | inner |
285.2.be.a | ✓ | 120 | 95.p | even | 18 | 1 | inner |
855.2.da.d | 120 | 3.b | odd | 2 | 1 | ||
855.2.da.d | 120 | 15.d | odd | 2 | 1 | ||
855.2.da.d | 120 | 57.l | odd | 18 | 1 | ||
855.2.da.d | 120 | 285.bd | odd | 18 | 1 |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(285, [\chi])\).