Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [460,2,Mod(19,460)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(460, base_ring=CyclotomicField(22))
chi = DirichletCharacter(H, H._module([11, 11, 15]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("460.19");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 460 = 2^{2} \cdot 5 \cdot 23 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 460.o (of order \(22\), degree \(10\), 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: | \(3.67311849298\) |
Analytic rank: | \(0\) |
Dimension: | \(40\) |
Relative dimension: | \(4\) over \(\Q(\zeta_{22})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{U}(1)[D_{22}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
19.1 | −0.587486 | − | 1.28641i | −2.19630 | + | 0.644892i | −1.30972 | + | 1.51150i | −1.20891 | + | 1.88110i | 2.11989 | + | 2.44649i | −4.60217 | + | 0.661692i | 2.71386 | + | 0.796860i | 1.88410 | − | 1.21083i | 3.13009 | + | 0.450039i |
19.2 | −0.587486 | − | 1.28641i | 3.32368 | − | 0.975920i | −1.30972 | + | 1.51150i | 1.20891 | − | 1.88110i | −3.20805 | − | 3.70229i | −3.71125 | + | 0.533598i | 2.71386 | + | 0.796860i | 7.57066 | − | 4.86537i | −3.13009 | − | 0.450039i |
19.3 | 0.587486 | + | 1.28641i | −3.32368 | + | 0.975920i | −1.30972 | + | 1.51150i | 1.20891 | − | 1.88110i | −3.20805 | − | 3.70229i | 3.71125 | − | 0.533598i | −2.71386 | − | 0.796860i | 7.57066 | − | 4.86537i | 3.13009 | + | 0.450039i |
19.4 | 0.587486 | + | 1.28641i | 2.19630 | − | 0.644892i | −1.30972 | + | 1.51150i | −1.20891 | + | 1.88110i | 2.11989 | + | 2.44649i | 4.60217 | − | 0.661692i | −2.71386 | − | 0.796860i | 1.88410 | − | 1.21083i | −3.13009 | − | 0.450039i |
79.1 | −0.926113 | − | 1.06879i | −2.78960 | − | 1.79277i | −0.284630 | + | 1.97964i | −2.03400 | − | 0.928896i | 0.667391 | + | 4.64180i | −0.518076 | + | 1.76441i | 2.37942 | − | 1.52916i | 3.32161 | + | 7.27330i | 0.890917 | + | 3.03418i |
79.2 | −0.926113 | − | 1.06879i | 1.23141 | + | 0.791378i | −0.284630 | + | 1.97964i | 2.03400 | + | 0.928896i | −0.294605 | − | 2.04902i | 1.19158 | − | 4.05815i | 2.37942 | − | 1.52916i | −0.356159 | − | 0.779879i | −0.890917 | − | 3.03418i |
79.3 | 0.926113 | + | 1.06879i | −1.23141 | − | 0.791378i | −0.284630 | + | 1.97964i | 2.03400 | + | 0.928896i | −0.294605 | − | 2.04902i | −1.19158 | + | 4.05815i | −2.37942 | + | 1.52916i | −0.356159 | − | 0.779879i | 0.890917 | + | 3.03418i |
79.4 | 0.926113 | + | 1.06879i | 2.78960 | + | 1.79277i | −0.284630 | + | 1.97964i | −2.03400 | − | 0.928896i | 0.667391 | + | 4.64180i | 0.518076 | − | 1.76441i | −2.37942 | + | 1.52916i | 3.32161 | + | 7.27330i | −0.890917 | − | 3.03418i |
99.1 | −0.926113 | + | 1.06879i | −2.78960 | + | 1.79277i | −0.284630 | − | 1.97964i | −2.03400 | + | 0.928896i | 0.667391 | − | 4.64180i | −0.518076 | − | 1.76441i | 2.37942 | + | 1.52916i | 3.32161 | − | 7.27330i | 0.890917 | − | 3.03418i |
99.2 | −0.926113 | + | 1.06879i | 1.23141 | − | 0.791378i | −0.284630 | − | 1.97964i | 2.03400 | − | 0.928896i | −0.294605 | + | 2.04902i | 1.19158 | + | 4.05815i | 2.37942 | + | 1.52916i | −0.356159 | + | 0.779879i | −0.890917 | + | 3.03418i |
99.3 | 0.926113 | − | 1.06879i | −1.23141 | + | 0.791378i | −0.284630 | − | 1.97964i | 2.03400 | − | 0.928896i | −0.294605 | + | 2.04902i | −1.19158 | − | 4.05815i | −2.37942 | − | 1.52916i | −0.356159 | + | 0.779879i | 0.890917 | − | 3.03418i |
99.4 | 0.926113 | − | 1.06879i | 2.78960 | − | 1.79277i | −0.284630 | − | 1.97964i | −2.03400 | + | 0.928896i | 0.667391 | − | 4.64180i | 0.518076 | + | 1.76441i | −2.37942 | − | 1.52916i | 3.32161 | − | 7.27330i | −0.890917 | + | 3.03418i |
159.1 | −1.18971 | − | 0.764582i | −0.0739958 | − | 0.514652i | 0.830830 | + | 1.81926i | 0.629973 | − | 2.14549i | −0.305460 | + | 0.668863i | −0.858171 | − | 0.743609i | 0.402527 | − | 2.79964i | 2.61909 | − | 0.769034i | −2.38989 | + | 2.07085i |
159.2 | −1.18971 | − | 0.764582i | 0.412623 | + | 2.86986i | 0.830830 | + | 1.81926i | −0.629973 | + | 2.14549i | 1.70334 | − | 3.72979i | −3.98826 | − | 3.45585i | 0.402527 | − | 2.79964i | −5.18734 | + | 1.52314i | 2.38989 | − | 2.07085i |
159.3 | 1.18971 | + | 0.764582i | −0.412623 | − | 2.86986i | 0.830830 | + | 1.81926i | −0.629973 | + | 2.14549i | 1.70334 | − | 3.72979i | 3.98826 | + | 3.45585i | −0.402527 | + | 2.79964i | −5.18734 | + | 1.52314i | −2.38989 | + | 2.07085i |
159.4 | 1.18971 | + | 0.764582i | 0.0739958 | + | 0.514652i | 0.830830 | + | 1.81926i | 0.629973 | − | 2.14549i | −0.305460 | + | 0.668863i | 0.858171 | + | 0.743609i | −0.402527 | + | 2.79964i | 2.61909 | − | 0.769034i | 2.38989 | − | 2.07085i |
199.1 | −0.201264 | + | 1.39982i | −1.38389 | − | 3.03031i | −1.91899 | − | 0.563465i | 1.68991 | − | 1.46431i | 4.52041 | − | 1.32731i | 2.67835 | − | 4.16759i | 1.17497 | − | 2.57283i | −5.30301 | + | 6.12000i | 1.70966 | + | 2.66028i |
199.2 | −0.201264 | + | 1.39982i | 1.21668 | + | 2.66415i | −1.91899 | − | 0.563465i | −1.68991 | + | 1.46431i | −3.97421 | + | 1.16693i | −0.198162 | + | 0.308347i | 1.17497 | − | 2.57283i | −3.65283 | + | 4.21559i | −1.70966 | − | 2.66028i |
199.3 | 0.201264 | − | 1.39982i | −1.21668 | − | 2.66415i | −1.91899 | − | 0.563465i | −1.68991 | + | 1.46431i | −3.97421 | + | 1.16693i | 0.198162 | − | 0.308347i | −1.17497 | + | 2.57283i | −3.65283 | + | 4.21559i | 1.70966 | + | 2.66028i |
199.4 | 0.201264 | − | 1.39982i | 1.38389 | + | 3.03031i | −1.91899 | − | 0.563465i | 1.68991 | − | 1.46431i | 4.52041 | − | 1.32731i | −2.67835 | + | 4.16759i | −1.17497 | + | 2.57283i | −5.30301 | + | 6.12000i | −1.70966 | − | 2.66028i |
See all 40 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
20.d | odd | 2 | 1 | CM by \(\Q(\sqrt{-5}) \) |
4.b | odd | 2 | 1 | inner |
5.b | even | 2 | 1 | inner |
23.d | odd | 22 | 1 | inner |
92.h | even | 22 | 1 | inner |
115.i | odd | 22 | 1 | inner |
460.o | even | 22 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 460.2.o.a | ✓ | 40 |
4.b | odd | 2 | 1 | inner | 460.2.o.a | ✓ | 40 |
5.b | even | 2 | 1 | inner | 460.2.o.a | ✓ | 40 |
20.d | odd | 2 | 1 | CM | 460.2.o.a | ✓ | 40 |
23.d | odd | 22 | 1 | inner | 460.2.o.a | ✓ | 40 |
92.h | even | 22 | 1 | inner | 460.2.o.a | ✓ | 40 |
115.i | odd | 22 | 1 | inner | 460.2.o.a | ✓ | 40 |
460.o | even | 22 | 1 | inner | 460.2.o.a | ✓ | 40 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
460.2.o.a | ✓ | 40 | 1.a | even | 1 | 1 | trivial |
460.2.o.a | ✓ | 40 | 4.b | odd | 2 | 1 | inner |
460.2.o.a | ✓ | 40 | 5.b | even | 2 | 1 | inner |
460.2.o.a | ✓ | 40 | 20.d | odd | 2 | 1 | CM |
460.2.o.a | ✓ | 40 | 23.d | odd | 22 | 1 | inner |
460.2.o.a | ✓ | 40 | 92.h | even | 22 | 1 | inner |
460.2.o.a | ✓ | 40 | 115.i | odd | 22 | 1 | inner |
460.2.o.a | ✓ | 40 | 460.o | even | 22 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{40} + 4 T_{3}^{38} + 12 T_{3}^{36} + 164 T_{3}^{34} + 17240 T_{3}^{32} + 78732 T_{3}^{30} + \cdots + 123657019201 \) acting on \(S_{2}^{\mathrm{new}}(460, [\chi])\).