Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [1155,2,Mod(1121,1155)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1155, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 0, 0, 1]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("1155.1121");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 1155 = 3 \cdot 5 \cdot 7 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 1155.l (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: | \(9.22272143346\) |
Analytic rank: | \(0\) |
Dimension: | \(40\) |
Twist minimal: | yes |
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1121.1 | −2.72154 | −1.44946 | − | 0.948193i | 5.40675 | − | 1.00000i | 3.94475 | + | 2.58054i | − | 1.00000i | −9.27160 | 1.20186 | + | 2.74873i | 2.72154i | ||||||||||
1121.2 | −2.72154 | −1.44946 | + | 0.948193i | 5.40675 | 1.00000i | 3.94475 | − | 2.58054i | 1.00000i | −9.27160 | 1.20186 | − | 2.74873i | − | 2.72154i | |||||||||||
1121.3 | −2.50847 | 1.71957 | − | 0.207558i | 4.29243 | 1.00000i | −4.31349 | + | 0.520654i | 1.00000i | −5.75050 | 2.91384 | − | 0.713822i | − | 2.50847i | |||||||||||
1121.4 | −2.50847 | 1.71957 | + | 0.207558i | 4.29243 | − | 1.00000i | −4.31349 | − | 0.520654i | − | 1.00000i | −5.75050 | 2.91384 | + | 0.713822i | 2.50847i | ||||||||||
1121.5 | −2.45082 | 0.877309 | + | 1.49343i | 4.00650 | − | 1.00000i | −2.15012 | − | 3.66012i | − | 1.00000i | −4.91756 | −1.46066 | + | 2.62040i | 2.45082i | ||||||||||
1121.6 | −2.45082 | 0.877309 | − | 1.49343i | 4.00650 | 1.00000i | −2.15012 | + | 3.66012i | 1.00000i | −4.91756 | −1.46066 | − | 2.62040i | − | 2.45082i | |||||||||||
1121.7 | −1.78181 | −1.68629 | − | 0.395519i | 1.17485 | 1.00000i | 3.00464 | + | 0.704739i | 1.00000i | 1.47026 | 2.68713 | + | 1.33392i | − | 1.78181i | |||||||||||
1121.8 | −1.78181 | −1.68629 | + | 0.395519i | 1.17485 | − | 1.00000i | 3.00464 | − | 0.704739i | − | 1.00000i | 1.47026 | 2.68713 | − | 1.33392i | 1.78181i | ||||||||||
1121.9 | −1.41625 | −1.72991 | + | 0.0861016i | 0.00575714 | − | 1.00000i | 2.44998 | − | 0.121941i | − | 1.00000i | 2.82434 | 2.98517 | − | 0.297896i | 1.41625i | ||||||||||
1121.10 | −1.41625 | −1.72991 | − | 0.0861016i | 0.00575714 | 1.00000i | 2.44998 | + | 0.121941i | 1.00000i | 2.82434 | 2.98517 | + | 0.297896i | − | 1.41625i | |||||||||||
1121.11 | −1.30517 | −0.259419 | − | 1.71251i | −0.296539 | 1.00000i | 0.338586 | + | 2.23512i | 1.00000i | 2.99737 | −2.86540 | + | 0.888518i | − | 1.30517i | |||||||||||
1121.12 | −1.30517 | −0.259419 | + | 1.71251i | −0.296539 | − | 1.00000i | 0.338586 | − | 2.23512i | − | 1.00000i | 2.99737 | −2.86540 | − | 0.888518i | 1.30517i | ||||||||||
1121.13 | −0.892777 | 0.497839 | − | 1.65896i | −1.20295 | − | 1.00000i | −0.444460 | + | 1.48108i | − | 1.00000i | 2.85952 | −2.50431 | − | 1.65179i | 0.892777i | ||||||||||
1121.14 | −0.892777 | 0.497839 | + | 1.65896i | −1.20295 | 1.00000i | −0.444460 | − | 1.48108i | 1.00000i | 2.85952 | −2.50431 | + | 1.65179i | − | 0.892777i | |||||||||||
1121.15 | −0.490604 | 1.73069 | + | 0.0687106i | −1.75931 | − | 1.00000i | −0.849081 | − | 0.0337096i | − | 1.00000i | 1.84433 | 2.99056 | + | 0.237833i | 0.490604i | ||||||||||
1121.16 | −0.490604 | 1.73069 | − | 0.0687106i | −1.75931 | 1.00000i | −0.849081 | + | 0.0337096i | 1.00000i | 1.84433 | 2.99056 | − | 0.237833i | − | 0.490604i | |||||||||||
1121.17 | −0.371904 | −0.305927 | − | 1.70482i | −1.86169 | − | 1.00000i | 0.113775 | + | 0.634029i | − | 1.00000i | 1.43618 | −2.81282 | + | 1.04310i | 0.371904i | ||||||||||
1121.18 | −0.371904 | −0.305927 | + | 1.70482i | −1.86169 | 1.00000i | 0.113775 | − | 0.634029i | 1.00000i | 1.43618 | −2.81282 | − | 1.04310i | − | 0.371904i | |||||||||||
1121.19 | −0.261999 | −0.733531 | − | 1.56905i | −1.93136 | 1.00000i | 0.192184 | + | 0.411090i | 1.00000i | 1.03001 | −1.92386 | + | 2.30190i | − | 0.261999i | |||||||||||
1121.20 | −0.261999 | −0.733531 | + | 1.56905i | −1.93136 | − | 1.00000i | 0.192184 | − | 0.411090i | − | 1.00000i | 1.03001 | −1.92386 | − | 2.30190i | 0.261999i | ||||||||||
See all 40 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
33.d | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 1155.2.l.f | yes | 40 |
3.b | odd | 2 | 1 | 1155.2.l.e | ✓ | 40 | |
11.b | odd | 2 | 1 | 1155.2.l.e | ✓ | 40 | |
33.d | even | 2 | 1 | inner | 1155.2.l.f | yes | 40 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
1155.2.l.e | ✓ | 40 | 3.b | odd | 2 | 1 | |
1155.2.l.e | ✓ | 40 | 11.b | odd | 2 | 1 | |
1155.2.l.f | yes | 40 | 1.a | even | 1 | 1 | trivial |
1155.2.l.f | yes | 40 | 33.d | even | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1155, [\chi])\):
\( T_{2}^{20} - 2 T_{2}^{19} - 29 T_{2}^{18} + 56 T_{2}^{17} + 347 T_{2}^{16} - 634 T_{2}^{15} - 2237 T_{2}^{14} + \cdots - 32 \) |
\( T_{17}^{20} - 121 T_{17}^{18} - 96 T_{17}^{17} + 5899 T_{17}^{16} + 9008 T_{17}^{15} - 146479 T_{17}^{14} + \cdots - 18091520 \) |