Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [1665,2,Mod(739,1665)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1665, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 1, 1]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("1665.739");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 1665 = 3^{2} \cdot 5 \cdot 37 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 1665.g (of order \(2\), degree \(1\), 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: | \(13.2950919365\) |
Analytic rank: | \(0\) |
Dimension: | \(40\) |
Twist minimal: | no (minimal twist has level 555) |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
739.1 | −2.71549 | 0 | 5.37390 | 0.734693 | − | 2.11192i | 0 | 1.35808i | −9.16180 | 0 | −1.99505 | + | 5.73492i | ||||||||||||||
739.2 | −2.71549 | 0 | 5.37390 | 0.734693 | + | 2.11192i | 0 | − | 1.35808i | −9.16180 | 0 | −1.99505 | − | 5.73492i | |||||||||||||
739.3 | −2.49663 | 0 | 4.23317 | 2.05572 | − | 0.879776i | 0 | 3.27811i | −5.57542 | 0 | −5.13238 | + | 2.19648i | ||||||||||||||
739.4 | −2.49663 | 0 | 4.23317 | 2.05572 | + | 0.879776i | 0 | − | 3.27811i | −5.57542 | 0 | −5.13238 | − | 2.19648i | |||||||||||||
739.5 | −2.46809 | 0 | 4.09146 | −1.94703 | + | 1.09958i | 0 | 1.91769i | −5.16192 | 0 | 4.80544 | − | 2.71386i | ||||||||||||||
739.6 | −2.46809 | 0 | 4.09146 | −1.94703 | − | 1.09958i | 0 | − | 1.91769i | −5.16192 | 0 | 4.80544 | + | 2.71386i | |||||||||||||
739.7 | −1.81177 | 0 | 1.28250 | −2.16949 | − | 0.541568i | 0 | − | 4.65490i | 1.29994 | 0 | 3.93062 | + | 0.981196i | |||||||||||||
739.8 | −1.81177 | 0 | 1.28250 | −2.16949 | + | 0.541568i | 0 | 4.65490i | 1.29994 | 0 | 3.93062 | − | 0.981196i | ||||||||||||||
739.9 | −1.72645 | 0 | 0.980624 | −1.26006 | + | 1.84723i | 0 | − | 2.83159i | 1.75990 | 0 | 2.17542 | − | 3.18915i | |||||||||||||
739.10 | −1.72645 | 0 | 0.980624 | −1.26006 | − | 1.84723i | 0 | 2.83159i | 1.75990 | 0 | 2.17542 | + | 3.18915i | ||||||||||||||
739.11 | −1.47721 | 0 | 0.182137 | −0.357763 | + | 2.20726i | 0 | − | 1.62051i | 2.68536 | 0 | 0.528490 | − | 3.26058i | |||||||||||||
739.12 | −1.47721 | 0 | 0.182137 | −0.357763 | − | 2.20726i | 0 | 1.62051i | 2.68536 | 0 | 0.528490 | + | 3.26058i | ||||||||||||||
739.13 | −1.39280 | 0 | −0.0601015 | 2.20287 | − | 0.383884i | 0 | 0.344118i | 2.86931 | 0 | −3.06816 | + | 0.534675i | ||||||||||||||
739.14 | −1.39280 | 0 | −0.0601015 | 2.20287 | + | 0.383884i | 0 | − | 0.344118i | 2.86931 | 0 | −3.06816 | − | 0.534675i | |||||||||||||
739.15 | −0.818204 | 0 | −1.33054 | 0.157839 | − | 2.23049i | 0 | − | 3.66373i | 2.72506 | 0 | −0.129144 | + | 1.82500i | |||||||||||||
739.16 | −0.818204 | 0 | −1.33054 | 0.157839 | + | 2.23049i | 0 | 3.66373i | 2.72506 | 0 | −0.129144 | − | 1.82500i | ||||||||||||||
739.17 | −0.414618 | 0 | −1.82809 | 1.55319 | − | 1.60860i | 0 | − | 0.262182i | 1.58720 | 0 | −0.643980 | + | 0.666956i | |||||||||||||
739.18 | −0.414618 | 0 | −1.82809 | 1.55319 | + | 1.60860i | 0 | 0.262182i | 1.58720 | 0 | −0.643980 | − | 0.666956i | ||||||||||||||
739.19 | −0.273741 | 0 | −1.92507 | −1.93156 | + | 1.12653i | 0 | − | 3.71619i | 1.07445 | 0 | 0.528747 | − | 0.308378i | |||||||||||||
739.20 | −0.273741 | 0 | −1.92507 | −1.93156 | − | 1.12653i | 0 | 3.71619i | 1.07445 | 0 | 0.528747 | + | 0.308378i | ||||||||||||||
See all 40 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.b | even | 2 | 1 | inner |
37.b | even | 2 | 1 | inner |
185.d | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 1665.2.g.e | 40 | |
3.b | odd | 2 | 1 | 555.2.g.a | ✓ | 40 | |
5.b | even | 2 | 1 | inner | 1665.2.g.e | 40 | |
15.d | odd | 2 | 1 | 555.2.g.a | ✓ | 40 | |
37.b | even | 2 | 1 | inner | 1665.2.g.e | 40 | |
111.d | odd | 2 | 1 | 555.2.g.a | ✓ | 40 | |
185.d | even | 2 | 1 | inner | 1665.2.g.e | 40 | |
555.b | odd | 2 | 1 | 555.2.g.a | ✓ | 40 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
555.2.g.a | ✓ | 40 | 3.b | odd | 2 | 1 | |
555.2.g.a | ✓ | 40 | 15.d | odd | 2 | 1 | |
555.2.g.a | ✓ | 40 | 111.d | odd | 2 | 1 | |
555.2.g.a | ✓ | 40 | 555.b | odd | 2 | 1 | |
1665.2.g.e | 40 | 1.a | even | 1 | 1 | trivial | |
1665.2.g.e | 40 | 5.b | even | 2 | 1 | inner | |
1665.2.g.e | 40 | 37.b | even | 2 | 1 | inner | |
1665.2.g.e | 40 | 185.d | even | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{20} - 31 T_{2}^{18} + 401 T_{2}^{16} - 2817 T_{2}^{14} + 11728 T_{2}^{12} - 29636 T_{2}^{10} + \cdots + 100 \) acting on \(S_{2}^{\mathrm{new}}(1665, [\chi])\).