Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [841,2,Mod(63,841)]
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([11]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("841.63");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 841 = 29^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 841.e (of order \(14\), 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 \(\Q(\zeta_{14})\) |
Twist minimal: | no (minimal twist has level 29) |
Sato-Tate group: | $\mathrm{SU}(2)[C_{14}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
63.1 | −1.88751 | + | 1.50524i | −2.35368 | + | 0.537213i | 0.851905 | − | 3.73244i | 0.623490 | + | 0.781831i | 3.63396 | − | 4.55685i | 0.629384 | + | 2.75751i | 1.91526 | + | 3.97707i | 2.54832 | − | 1.22721i | −2.35368 | − | 0.537213i |
63.2 | −0.323845 | + | 0.258258i | −0.403828 | + | 0.0921712i | −0.406863 | + | 1.78258i | 0.623490 | + | 0.781831i | 0.106974 | − | 0.134141i | −0.629384 | − | 2.75751i | −0.688047 | − | 1.42874i | −2.54832 | + | 1.22721i | −0.403828 | − | 0.0921712i |
63.3 | 0.323845 | − | 0.258258i | 0.403828 | − | 0.0921712i | −0.406863 | + | 1.78258i | 0.623490 | + | 0.781831i | 0.106974 | − | 0.134141i | −0.629384 | − | 2.75751i | 0.688047 | + | 1.42874i | −2.54832 | + | 1.22721i | 0.403828 | + | 0.0921712i |
63.4 | 1.88751 | − | 1.50524i | 2.35368 | − | 0.537213i | 0.851905 | − | 3.73244i | 0.623490 | + | 0.781831i | 3.63396 | − | 4.55685i | 0.629384 | + | 2.75751i | −1.91526 | − | 3.97707i | 2.54832 | − | 1.22721i | 2.35368 | + | 0.537213i |
196.1 | −2.35368 | + | 0.537213i | 1.04749 | − | 2.17513i | 3.44929 | − | 1.66109i | −0.222521 | − | 0.974928i | −1.29695 | + | 5.68230i | 2.54832 | + | 1.22721i | −3.45117 | + | 2.75222i | −1.76350 | − | 2.21135i | 1.04749 | + | 2.17513i |
196.2 | −0.403828 | + | 0.0921712i | 0.179721 | − | 0.373194i | −1.64736 | + | 0.793325i | −0.222521 | − | 0.974928i | −0.0381786 | + | 0.167271i | −2.54832 | − | 1.22721i | 1.23982 | − | 0.988722i | 1.76350 | + | 2.21135i | 0.179721 | + | 0.373194i |
196.3 | 0.403828 | − | 0.0921712i | −0.179721 | + | 0.373194i | −1.64736 | + | 0.793325i | −0.222521 | − | 0.974928i | −0.0381786 | + | 0.167271i | −2.54832 | − | 1.22721i | −1.23982 | + | 0.988722i | 1.76350 | + | 2.21135i | −0.179721 | − | 0.373194i |
196.4 | 2.35368 | − | 0.537213i | −1.04749 | + | 2.17513i | 3.44929 | − | 1.66109i | −0.222521 | − | 0.974928i | −1.29695 | + | 5.68230i | 2.54832 | + | 1.22721i | 3.45117 | − | 2.75222i | −1.76350 | − | 2.21135i | −1.04749 | − | 2.17513i |
236.1 | −2.35368 | − | 0.537213i | 1.04749 | + | 2.17513i | 3.44929 | + | 1.66109i | −0.222521 | + | 0.974928i | −1.29695 | − | 5.68230i | 2.54832 | − | 1.22721i | −3.45117 | − | 2.75222i | −1.76350 | + | 2.21135i | 1.04749 | − | 2.17513i |
236.2 | −0.403828 | − | 0.0921712i | 0.179721 | + | 0.373194i | −1.64736 | − | 0.793325i | −0.222521 | + | 0.974928i | −0.0381786 | − | 0.167271i | −2.54832 | + | 1.22721i | 1.23982 | + | 0.988722i | 1.76350 | − | 2.21135i | 0.179721 | − | 0.373194i |
236.3 | 0.403828 | + | 0.0921712i | −0.179721 | − | 0.373194i | −1.64736 | − | 0.793325i | −0.222521 | + | 0.974928i | −0.0381786 | − | 0.167271i | −2.54832 | + | 1.22721i | −1.23982 | − | 0.988722i | 1.76350 | − | 2.21135i | −0.179721 | + | 0.373194i |
236.4 | 2.35368 | + | 0.537213i | −1.04749 | − | 2.17513i | 3.44929 | + | 1.66109i | −0.222521 | + | 0.974928i | −1.29695 | − | 5.68230i | 2.54832 | − | 1.22721i | 3.45117 | + | 2.75222i | −1.76350 | + | 2.21135i | −1.04749 | + | 2.17513i |
267.1 | −1.88751 | − | 1.50524i | −2.35368 | − | 0.537213i | 0.851905 | + | 3.73244i | 0.623490 | − | 0.781831i | 3.63396 | + | 4.55685i | 0.629384 | − | 2.75751i | 1.91526 | − | 3.97707i | 2.54832 | + | 1.22721i | −2.35368 | + | 0.537213i |
267.2 | −0.323845 | − | 0.258258i | −0.403828 | − | 0.0921712i | −0.406863 | − | 1.78258i | 0.623490 | − | 0.781831i | 0.106974 | + | 0.134141i | −0.629384 | + | 2.75751i | −0.688047 | + | 1.42874i | −2.54832 | − | 1.22721i | −0.403828 | + | 0.0921712i |
267.3 | 0.323845 | + | 0.258258i | 0.403828 | + | 0.0921712i | −0.406863 | − | 1.78258i | 0.623490 | − | 0.781831i | 0.106974 | + | 0.134141i | −0.629384 | + | 2.75751i | 0.688047 | − | 1.42874i | −2.54832 | − | 1.22721i | 0.403828 | − | 0.0921712i |
267.4 | 1.88751 | + | 1.50524i | 2.35368 | + | 0.537213i | 0.851905 | + | 3.73244i | 0.623490 | − | 0.781831i | 3.63396 | + | 4.55685i | 0.629384 | − | 2.75751i | −1.91526 | + | 3.97707i | 2.54832 | + | 1.22721i | 2.35368 | − | 0.537213i |
270.1 | −1.04749 | − | 2.17513i | 1.88751 | − | 1.50524i | −2.38699 | + | 2.99318i | −0.900969 | + | 0.433884i | −5.25123 | − | 2.52886i | −1.76350 | − | 2.21135i | 4.30354 | + | 0.982255i | 0.629384 | − | 2.75751i | 1.88751 | + | 1.50524i |
270.2 | −0.179721 | − | 0.373194i | 0.323845 | − | 0.258258i | 1.14001 | − | 1.42952i | −0.900969 | + | 0.433884i | −0.154582 | − | 0.0744427i | 1.76350 | + | 2.21135i | −1.54603 | − | 0.352871i | −0.629384 | + | 2.75751i | 0.323845 | + | 0.258258i |
270.3 | 0.179721 | + | 0.373194i | −0.323845 | + | 0.258258i | 1.14001 | − | 1.42952i | −0.900969 | + | 0.433884i | −0.154582 | − | 0.0744427i | 1.76350 | + | 2.21135i | 1.54603 | + | 0.352871i | −0.629384 | + | 2.75751i | −0.323845 | − | 0.258258i |
270.4 | 1.04749 | + | 2.17513i | −1.88751 | + | 1.50524i | −2.38699 | + | 2.99318i | −0.900969 | + | 0.433884i | −5.25123 | − | 2.52886i | −1.76350 | − | 2.21135i | −4.30354 | − | 0.982255i | 0.629384 | − | 2.75751i | −1.88751 | − | 1.50524i |
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 | 5 | inner |
29.e | even | 14 | 5 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 841.2.e.k | 24 | |
29.b | even | 2 | 1 | inner | 841.2.e.k | 24 | |
29.c | odd | 4 | 1 | 841.2.d.f | 12 | ||
29.c | odd | 4 | 1 | 841.2.d.j | 12 | ||
29.d | even | 7 | 1 | 841.2.b.a | 4 | ||
29.d | even | 7 | 5 | inner | 841.2.e.k | 24 | |
29.e | even | 14 | 1 | 841.2.b.a | 4 | ||
29.e | even | 14 | 5 | inner | 841.2.e.k | 24 | |
29.f | odd | 28 | 1 | 29.2.a.a | ✓ | 2 | |
29.f | odd | 28 | 1 | 841.2.a.d | 2 | ||
29.f | odd | 28 | 5 | 841.2.d.f | 12 | ||
29.f | odd | 28 | 5 | 841.2.d.j | 12 | ||
87.k | even | 28 | 1 | 261.2.a.d | 2 | ||
87.k | even | 28 | 1 | 7569.2.a.c | 2 | ||
116.l | even | 28 | 1 | 464.2.a.h | 2 | ||
145.o | even | 28 | 1 | 725.2.b.b | 4 | ||
145.s | odd | 28 | 1 | 725.2.a.b | 2 | ||
145.t | even | 28 | 1 | 725.2.b.b | 4 | ||
203.r | even | 28 | 1 | 1421.2.a.j | 2 | ||
232.u | odd | 28 | 1 | 1856.2.a.r | 2 | ||
232.v | even | 28 | 1 | 1856.2.a.w | 2 | ||
319.q | even | 28 | 1 | 3509.2.a.j | 2 | ||
348.v | odd | 28 | 1 | 4176.2.a.bq | 2 | ||
377.bb | odd | 28 | 1 | 4901.2.a.g | 2 | ||
435.bk | even | 28 | 1 | 6525.2.a.o | 2 | ||
493.y | odd | 28 | 1 | 8381.2.a.e | 2 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
29.2.a.a | ✓ | 2 | 29.f | odd | 28 | 1 | |
261.2.a.d | 2 | 87.k | even | 28 | 1 | ||
464.2.a.h | 2 | 116.l | even | 28 | 1 | ||
725.2.a.b | 2 | 145.s | odd | 28 | 1 | ||
725.2.b.b | 4 | 145.o | even | 28 | 1 | ||
725.2.b.b | 4 | 145.t | even | 28 | 1 | ||
841.2.a.d | 2 | 29.f | odd | 28 | 1 | ||
841.2.b.a | 4 | 29.d | even | 7 | 1 | ||
841.2.b.a | 4 | 29.e | even | 14 | 1 | ||
841.2.d.f | 12 | 29.c | odd | 4 | 1 | ||
841.2.d.f | 12 | 29.f | odd | 28 | 5 | ||
841.2.d.j | 12 | 29.c | odd | 4 | 1 | ||
841.2.d.j | 12 | 29.f | odd | 28 | 5 | ||
841.2.e.k | 24 | 1.a | even | 1 | 1 | trivial | |
841.2.e.k | 24 | 29.b | even | 2 | 1 | inner | |
841.2.e.k | 24 | 29.d | even | 7 | 5 | inner | |
841.2.e.k | 24 | 29.e | even | 14 | 5 | inner | |
1421.2.a.j | 2 | 203.r | even | 28 | 1 | ||
1856.2.a.r | 2 | 232.u | odd | 28 | 1 | ||
1856.2.a.w | 2 | 232.v | even | 28 | 1 | ||
3509.2.a.j | 2 | 319.q | even | 28 | 1 | ||
4176.2.a.bq | 2 | 348.v | odd | 28 | 1 | ||
4901.2.a.g | 2 | 377.bb | odd | 28 | 1 | ||
6525.2.a.o | 2 | 435.bk | even | 28 | 1 | ||
7569.2.a.c | 2 | 87.k | even | 28 | 1 | ||
8381.2.a.e | 2 | 493.y | odd | 28 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{24} - 6 T_{2}^{22} + 35 T_{2}^{20} - 204 T_{2}^{18} + 1189 T_{2}^{16} - 6930 T_{2}^{14} + \cdots + 1 \) acting on \(S_{2}^{\mathrm{new}}(841, [\chi])\).