Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [841,2,Mod(190,841)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(841, base_ring=CyclotomicField(14))
chi = DirichletCharacter(H, H._module([2]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("841.190");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 841 = 29^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 841.d (of order \(7\), degree \(6\), not 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: | \(6.71541880999\) |
Analytic rank: | \(0\) |
Dimension: | \(24\) |
Relative dimension: | \(4\) over \(\Q(\zeta_{7})\) |
Twist minimal: | no (minimal twist has level 29) |
Sato-Tate group: | $\mathrm{SU}(2)[C_{7}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
190.1 | −2.04317 | − | 0.983939i | 1.77107 | − | 2.22085i | 1.95943 | + | 2.45704i | −0.0521506 | − | 0.0251144i | −5.80376 | + | 2.79495i | −0.973866 | + | 1.22119i | −0.576620 | − | 2.52634i | −1.12792 | − | 4.94174i | 0.0818415 | + | 0.102626i |
190.2 | −0.495421 | − | 0.238582i | −1.23002 | + | 1.54240i | −1.05846 | − | 1.32727i | −2.47231 | − | 1.19060i | 0.977367 | − | 0.470675i | 2.78938 | − | 3.49777i | 0.452439 | + | 1.98226i | −0.198476 | − | 0.869580i | 0.940777 | + | 1.17970i |
190.3 | 0.495421 | + | 0.238582i | 1.23002 | − | 1.54240i | −1.05846 | − | 1.32727i | −2.47231 | − | 1.19060i | 0.977367 | − | 0.470675i | 2.78938 | − | 3.49777i | −0.452439 | − | 1.98226i | −0.198476 | − | 0.869580i | −0.940777 | − | 1.17970i |
190.4 | 2.04317 | + | 0.983939i | −1.77107 | + | 2.22085i | 1.95943 | + | 2.45704i | −0.0521506 | − | 0.0251144i | −5.80376 | + | 2.79495i | −0.973866 | + | 1.22119i | 0.576620 | + | 2.52634i | −1.12792 | − | 4.94174i | −0.0818415 | − | 0.102626i |
571.1 | −2.04317 | + | 0.983939i | 1.77107 | + | 2.22085i | 1.95943 | − | 2.45704i | −0.0521506 | + | 0.0251144i | −5.80376 | − | 2.79495i | −0.973866 | − | 1.22119i | −0.576620 | + | 2.52634i | −1.12792 | + | 4.94174i | 0.0818415 | − | 0.102626i |
571.2 | −0.495421 | + | 0.238582i | −1.23002 | − | 1.54240i | −1.05846 | + | 1.32727i | −2.47231 | + | 1.19060i | 0.977367 | + | 0.470675i | 2.78938 | + | 3.49777i | 0.452439 | − | 1.98226i | −0.198476 | + | 0.869580i | 0.940777 | − | 1.17970i |
571.3 | 0.495421 | − | 0.238582i | 1.23002 | + | 1.54240i | −1.05846 | + | 1.32727i | −2.47231 | + | 1.19060i | 0.977367 | + | 0.470675i | 2.78938 | + | 3.49777i | −0.452439 | + | 1.98226i | −0.198476 | + | 0.869580i | −0.940777 | + | 1.17970i |
571.4 | 2.04317 | − | 0.983939i | −1.77107 | − | 2.22085i | 1.95943 | − | 2.45704i | −0.0521506 | + | 0.0251144i | −5.80376 | − | 2.79495i | −0.973866 | − | 1.22119i | 0.576620 | − | 2.52634i | −1.12792 | + | 4.94174i | −0.0818415 | + | 0.102626i |
574.1 | −1.62259 | + | 2.03467i | 0.0977621 | − | 0.428324i | −1.06202 | − | 4.65303i | 1.60887 | − | 2.01746i | 0.712869 | + | 0.893909i | −0.0167182 | + | 0.0732474i | 6.50118 | + | 3.13080i | 2.52900 | + | 1.21790i | 1.49432 | + | 6.54703i |
574.2 | −0.106623 | + | 0.133701i | −0.250186 | + | 1.09614i | 0.438534 | + | 1.92134i | −1.76286 | + | 2.21055i | −0.119878 | − | 0.150323i | 0.651093 | − | 2.85263i | −0.611791 | − | 0.294623i | 1.56399 | + | 0.753177i | −0.107592 | − | 0.471390i |
574.3 | 0.106623 | − | 0.133701i | 0.250186 | − | 1.09614i | 0.438534 | + | 1.92134i | −1.76286 | + | 2.21055i | −0.119878 | − | 0.150323i | 0.651093 | − | 2.85263i | 0.611791 | + | 0.294623i | 1.56399 | + | 0.753177i | 0.107592 | + | 0.471390i |
574.4 | 1.62259 | − | 2.03467i | −0.0977621 | + | 0.428324i | −1.06202 | − | 4.65303i | 1.60887 | − | 2.01746i | 0.712869 | + | 0.893909i | −0.0167182 | + | 0.0732474i | −6.50118 | − | 3.13080i | 2.52900 | + | 1.21790i | −1.49432 | − | 6.54703i |
605.1 | −0.344746 | + | 1.51043i | −2.64404 | + | 1.27330i | −0.360619 | − | 0.173665i | 0.101097 | − | 0.442937i | −1.01172 | − | 4.43261i | −3.07524 | + | 1.48096i | −1.54528 | + | 1.93773i | 3.49918 | − | 4.38784i | 0.634173 | + | 0.305402i |
605.2 | −0.258810 | + | 1.13392i | −0.887282 | + | 0.427293i | 0.583140 | + | 0.280826i | −0.422650 | + | 1.85175i | −0.254879 | − | 1.11670i | −1.37465 | + | 0.661994i | −1.91970 | + | 2.40723i | −1.26578 | + | 1.58724i | −1.99035 | − | 0.958504i |
605.3 | 0.258810 | − | 1.13392i | 0.887282 | − | 0.427293i | 0.583140 | + | 0.280826i | −0.422650 | + | 1.85175i | −0.254879 | − | 1.11670i | −1.37465 | + | 0.661994i | 1.91970 | − | 2.40723i | −1.26578 | + | 1.58724i | 1.99035 | + | 0.958504i |
605.4 | 0.344746 | − | 1.51043i | 2.64404 | − | 1.27330i | −0.360619 | − | 0.173665i | 0.101097 | − | 0.442937i | −1.01172 | − | 4.43261i | −3.07524 | + | 1.48096i | 1.54528 | − | 1.93773i | 3.49918 | − | 4.38784i | −0.634173 | − | 0.305402i |
645.1 | −0.344746 | − | 1.51043i | −2.64404 | − | 1.27330i | −0.360619 | + | 0.173665i | 0.101097 | + | 0.442937i | −1.01172 | + | 4.43261i | −3.07524 | − | 1.48096i | −1.54528 | − | 1.93773i | 3.49918 | + | 4.38784i | 0.634173 | − | 0.305402i |
645.2 | −0.258810 | − | 1.13392i | −0.887282 | − | 0.427293i | 0.583140 | − | 0.280826i | −0.422650 | − | 1.85175i | −0.254879 | + | 1.11670i | −1.37465 | − | 0.661994i | −1.91970 | − | 2.40723i | −1.26578 | − | 1.58724i | −1.99035 | + | 0.958504i |
645.3 | 0.258810 | + | 1.13392i | 0.887282 | + | 0.427293i | 0.583140 | − | 0.280826i | −0.422650 | − | 1.85175i | −0.254879 | + | 1.11670i | −1.37465 | − | 0.661994i | 1.91970 | + | 2.40723i | −1.26578 | − | 1.58724i | 1.99035 | − | 0.958504i |
645.4 | 0.344746 | + | 1.51043i | 2.64404 | + | 1.27330i | −0.360619 | + | 0.173665i | 0.101097 | + | 0.442937i | −1.01172 | + | 4.43261i | −3.07524 | − | 1.48096i | 1.54528 | + | 1.93773i | 3.49918 | + | 4.38784i | −0.634173 | + | 0.305402i |
See all 24 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
29.b | even | 2 | 1 | inner |
29.d | even | 7 | 1 | inner |
29.e | even | 14 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 841.2.d.l | 24 | |
29.b | even | 2 | 1 | inner | 841.2.d.l | 24 | |
29.c | odd | 4 | 1 | 841.2.e.a | 12 | ||
29.c | odd | 4 | 1 | 841.2.e.h | 12 | ||
29.d | even | 7 | 1 | 841.2.a.k | 12 | ||
29.d | even | 7 | 2 | 841.2.d.k | 24 | ||
29.d | even | 7 | 1 | inner | 841.2.d.l | 24 | |
29.d | even | 7 | 2 | 841.2.d.m | 24 | ||
29.e | even | 14 | 1 | 841.2.a.k | 12 | ||
29.e | even | 14 | 2 | 841.2.d.k | 24 | ||
29.e | even | 14 | 1 | inner | 841.2.d.l | 24 | |
29.e | even | 14 | 2 | 841.2.d.m | 24 | ||
29.f | odd | 28 | 2 | 29.2.e.a | ✓ | 12 | |
29.f | odd | 28 | 2 | 841.2.b.e | 12 | ||
29.f | odd | 28 | 1 | 841.2.e.a | 12 | ||
29.f | odd | 28 | 2 | 841.2.e.e | 12 | ||
29.f | odd | 28 | 2 | 841.2.e.f | 12 | ||
29.f | odd | 28 | 1 | 841.2.e.h | 12 | ||
29.f | odd | 28 | 2 | 841.2.e.i | 12 | ||
87.h | odd | 14 | 1 | 7569.2.a.bp | 12 | ||
87.j | odd | 14 | 1 | 7569.2.a.bp | 12 | ||
87.k | even | 28 | 2 | 261.2.o.a | 12 | ||
116.l | even | 28 | 2 | 464.2.y.d | 12 | ||
145.o | even | 28 | 2 | 725.2.p.a | 24 | ||
145.s | odd | 28 | 2 | 725.2.q.a | 12 | ||
145.t | even | 28 | 2 | 725.2.p.a | 24 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
29.2.e.a | ✓ | 12 | 29.f | odd | 28 | 2 | |
261.2.o.a | 12 | 87.k | even | 28 | 2 | ||
464.2.y.d | 12 | 116.l | even | 28 | 2 | ||
725.2.p.a | 24 | 145.o | even | 28 | 2 | ||
725.2.p.a | 24 | 145.t | even | 28 | 2 | ||
725.2.q.a | 12 | 145.s | odd | 28 | 2 | ||
841.2.a.k | 12 | 29.d | even | 7 | 1 | ||
841.2.a.k | 12 | 29.e | even | 14 | 1 | ||
841.2.b.e | 12 | 29.f | odd | 28 | 2 | ||
841.2.d.k | 24 | 29.d | even | 7 | 2 | ||
841.2.d.k | 24 | 29.e | even | 14 | 2 | ||
841.2.d.l | 24 | 1.a | even | 1 | 1 | trivial | |
841.2.d.l | 24 | 29.b | even | 2 | 1 | inner | |
841.2.d.l | 24 | 29.d | even | 7 | 1 | inner | |
841.2.d.l | 24 | 29.e | even | 14 | 1 | inner | |
841.2.d.m | 24 | 29.d | even | 7 | 2 | ||
841.2.d.m | 24 | 29.e | even | 14 | 2 | ||
841.2.e.a | 12 | 29.c | odd | 4 | 1 | ||
841.2.e.a | 12 | 29.f | odd | 28 | 1 | ||
841.2.e.e | 12 | 29.f | odd | 28 | 2 | ||
841.2.e.f | 12 | 29.f | odd | 28 | 2 | ||
841.2.e.h | 12 | 29.c | odd | 4 | 1 | ||
841.2.e.h | 12 | 29.f | odd | 28 | 1 | ||
841.2.e.i | 12 | 29.f | odd | 28 | 2 | ||
7569.2.a.bp | 12 | 87.h | odd | 14 | 1 | ||
7569.2.a.bp | 12 | 87.j | odd | 14 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{24} + 3 T_{2}^{22} + 47 T_{2}^{20} + 87 T_{2}^{18} + 626 T_{2}^{16} + 5212 T_{2}^{14} + 15925 T_{2}^{12} + \cdots + 1 \) acting on \(S_{2}^{\mathrm{new}}(841, [\chi])\).