Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [806,2,Mod(151,806)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(806, base_ring=CyclotomicField(20))
chi = DirichletCharacter(H, H._module([5, 2]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("806.151");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 806 = 2 \cdot 13 \cdot 31 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 806.bn (of order \(20\), degree \(8\), 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: | \(6.43594240292\) |
Analytic rank: | \(0\) |
Dimension: | \(320\) |
Relative dimension: | \(40\) over \(\Q(\zeta_{20})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{20}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
151.1 | −0.453990 | + | 0.891007i | −3.24717 | − | 1.05507i | −0.587785 | − | 0.809017i | −1.92541 | − | 1.92541i | 2.41426 | − | 2.41426i | 0.0416892 | − | 0.263215i | 0.987688 | − | 0.156434i | 7.00388 | + | 5.08862i | 2.58967 | − | 0.841435i |
151.2 | −0.453990 | + | 0.891007i | −2.95186 | − | 0.959117i | −0.587785 | − | 0.809017i | 2.41996 | + | 2.41996i | 2.19470 | − | 2.19470i | 0.687504 | − | 4.34073i | 0.987688 | − | 0.156434i | 5.36652 | + | 3.89900i | −3.25484 | + | 1.05756i |
151.3 | −0.453990 | + | 0.891007i | −2.18571 | − | 0.710179i | −0.587785 | − | 0.809017i | 0.392017 | + | 0.392017i | 1.62506 | − | 1.62506i | −0.152066 | + | 0.960104i | 0.987688 | − | 0.156434i | 1.84590 | + | 1.34113i | −0.527262 | + | 0.171318i |
151.4 | −0.453990 | + | 0.891007i | −2.12065 | − | 0.689041i | −0.587785 | − | 0.809017i | 1.70128 | + | 1.70128i | 1.57670 | − | 1.57670i | −0.787432 | + | 4.97165i | 0.987688 | − | 0.156434i | 1.59533 | + | 1.15907i | −2.28821 | + | 0.743486i |
151.5 | −0.453990 | + | 0.891007i | −1.88539 | − | 0.612602i | −0.587785 | − | 0.809017i | −0.0906225 | − | 0.0906225i | 1.40178 | − | 1.40178i | 0.0574570 | − | 0.362769i | 0.987688 | − | 0.156434i | 0.752377 | + | 0.546634i | 0.121887 | − | 0.0396035i |
151.6 | −0.453990 | + | 0.891007i | −1.66022 | − | 0.539437i | −0.587785 | − | 0.809017i | −0.739883 | − | 0.739883i | 1.23436 | − | 1.23436i | 0.627179 | − | 3.95985i | 0.987688 | − | 0.156434i | 0.0382753 | + | 0.0278086i | 0.995140 | − | 0.323341i |
151.7 | −0.453990 | + | 0.891007i | −1.18737 | − | 0.385799i | −0.587785 | − | 0.809017i | −2.87060 | − | 2.87060i | 0.882803 | − | 0.882803i | 0.670591 | − | 4.23395i | 0.987688 | − | 0.156434i | −1.16605 | − | 0.847186i | 3.86094 | − | 1.25450i |
151.8 | −0.453990 | + | 0.891007i | −0.705862 | − | 0.229348i | −0.587785 | − | 0.809017i | −1.39843 | − | 1.39843i | 0.524805 | − | 0.524805i | −0.231683 | + | 1.46279i | 0.987688 | − | 0.156434i | −1.98141 | − | 1.43958i | 1.88088 | − | 0.611135i |
151.9 | −0.453990 | + | 0.891007i | −0.613980 | − | 0.199494i | −0.587785 | − | 0.809017i | 2.08638 | + | 2.08638i | 0.456492 | − | 0.456492i | −0.256784 | + | 1.62127i | 0.987688 | − | 0.156434i | −2.08988 | − | 1.51838i | −2.80617 | + | 0.911780i |
151.10 | −0.453990 | + | 0.891007i | 0.249805 | + | 0.0811666i | −0.587785 | − | 0.809017i | 2.81650 | + | 2.81650i | −0.185729 | + | 0.185729i | 0.506242 | − | 3.19629i | 0.987688 | − | 0.156434i | −2.37124 | − | 1.72280i | −3.78819 | + | 1.23086i |
151.11 | −0.453990 | + | 0.891007i | 0.370489 | + | 0.120379i | −0.587785 | − | 0.809017i | −1.16018 | − | 1.16018i | −0.275457 | + | 0.275457i | −0.734923 | + | 4.64012i | 0.987688 | − | 0.156434i | −2.30428 | − | 1.67416i | 1.56044 | − | 0.507016i |
151.12 | −0.453990 | + | 0.891007i | 0.685264 | + | 0.222656i | −0.587785 | − | 0.809017i | −0.320774 | − | 0.320774i | −0.509491 | + | 0.509491i | 0.160164 | − | 1.01124i | 0.987688 | − | 0.156434i | −2.00704 | − | 1.45820i | 0.431440 | − | 0.140183i |
151.13 | −0.453990 | + | 0.891007i | 0.755476 | + | 0.245469i | −0.587785 | − | 0.809017i | 2.34475 | + | 2.34475i | −0.561693 | + | 0.561693i | −0.338178 | + | 2.13517i | 0.987688 | − | 0.156434i | −1.91656 | − | 1.39246i | −3.15368 | + | 1.02469i |
151.14 | −0.453990 | + | 0.891007i | 1.03017 | + | 0.334723i | −0.587785 | − | 0.809017i | −0.196219 | − | 0.196219i | −0.765927 | + | 0.765927i | 0.550369 | − | 3.47490i | 0.987688 | − | 0.156434i | −1.47784 | − | 1.07371i | 0.263914 | − | 0.0857509i |
151.15 | −0.453990 | + | 0.891007i | 1.11643 | + | 0.362749i | −0.587785 | − | 0.809017i | −2.02841 | − | 2.02841i | −0.830059 | + | 0.830059i | −0.553100 | + | 3.49214i | 0.987688 | − | 0.156434i | −1.31223 | − | 0.953391i | 2.72821 | − | 0.886448i |
151.16 | −0.453990 | + | 0.891007i | 1.99095 | + | 0.646898i | −0.587785 | − | 0.809017i | −1.55803 | − | 1.55803i | −1.48026 | + | 1.48026i | −0.111183 | + | 0.701982i | 0.987688 | − | 0.156434i | 1.11834 | + | 0.812521i | 2.09555 | − | 0.680884i |
151.17 | −0.453990 | + | 0.891007i | 2.13067 | + | 0.692296i | −0.587785 | − | 0.809017i | 0.720800 | + | 0.720800i | −1.58414 | + | 1.58414i | 0.697812 | − | 4.40581i | 0.987688 | − | 0.156434i | 1.63342 | + | 1.18675i | −0.969474 | + | 0.315001i |
151.18 | −0.453990 | + | 0.891007i | 2.50443 | + | 0.813740i | −0.587785 | − | 0.809017i | 1.11686 | + | 1.11686i | −1.86204 | + | 1.86204i | −0.185053 | + | 1.16838i | 0.987688 | − | 0.156434i | 3.18297 | + | 2.31256i | −1.50218 | + | 0.488087i |
151.19 | −0.453990 | + | 0.891007i | 2.82648 | + | 0.918379i | −0.587785 | − | 0.809017i | −2.95513 | − | 2.95513i | −2.10148 | + | 2.10148i | 0.201495 | − | 1.27219i | 0.987688 | − | 0.156434i | 4.71852 | + | 3.42821i | 3.97464 | − | 1.29144i |
151.20 | −0.453990 | + | 0.891007i | 2.89804 | + | 0.941632i | −0.587785 | − | 0.809017i | 1.64513 | + | 1.64513i | −2.15468 | + | 2.15468i | −0.323527 | + | 2.04267i | 0.987688 | − | 0.156434i | 5.08494 | + | 3.69443i | −2.21269 | + | 0.718948i |
See next 80 embeddings (of 320 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
13.d | odd | 4 | 1 | inner |
31.f | odd | 10 | 1 | inner |
403.bn | even | 20 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 806.2.bn.a | ✓ | 320 |
13.d | odd | 4 | 1 | inner | 806.2.bn.a | ✓ | 320 |
31.f | odd | 10 | 1 | inner | 806.2.bn.a | ✓ | 320 |
403.bn | even | 20 | 1 | inner | 806.2.bn.a | ✓ | 320 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
806.2.bn.a | ✓ | 320 | 1.a | even | 1 | 1 | trivial |
806.2.bn.a | ✓ | 320 | 13.d | odd | 4 | 1 | inner |
806.2.bn.a | ✓ | 320 | 31.f | odd | 10 | 1 | inner |
806.2.bn.a | ✓ | 320 | 403.bn | even | 20 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(806, [\chi])\).