Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [196,4,Mod(19,196)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(196, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([3, 5]))
N = Newforms(chi, 4, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("196.19");
S:= CuspForms(chi, 4);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 196 = 2^{2} \cdot 7^{2} \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 196.f (of order \(6\), degree \(2\), 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: | \(11.5643743611\) |
Analytic rank: | \(0\) |
Dimension: | \(64\) |
Relative dimension: | \(32\) over \(\Q(\zeta_{6})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{6}]$ |
$q$-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 | −2.80859 | − | 0.334428i | −2.36435 | − | 4.09517i | 7.77632 | + | 1.87854i | 0.952206 | + | 0.549756i | 5.27093 | + | 12.2923i | 0 | −21.2122 | − | 7.87667i | 2.31974 | − | 4.01791i | −2.49050 | − | 1.86248i | ||
19.2 | −2.80859 | − | 0.334428i | 2.36435 | + | 4.09517i | 7.77632 | + | 1.87854i | −0.952206 | − | 0.549756i | −5.27093 | − | 12.2923i | 0 | −21.2122 | − | 7.87667i | 2.31974 | − | 4.01791i | 2.49050 | + | 1.86248i | ||
19.3 | −2.79748 | + | 0.417267i | −4.66364 | − | 8.07766i | 7.65178 | − | 2.33459i | −10.7437 | − | 6.20288i | 16.4170 | + | 20.6511i | 0 | −20.4315 | + | 9.72381i | −29.9990 | + | 51.9598i | 32.6435 | + | 12.8694i | ||
19.4 | −2.79748 | + | 0.417267i | 4.66364 | + | 8.07766i | 7.65178 | − | 2.33459i | 10.7437 | + | 6.20288i | −16.4170 | − | 20.6511i | 0 | −20.4315 | + | 9.72381i | −29.9990 | + | 51.9598i | −32.6435 | − | 12.8694i | ||
19.5 | −2.50637 | + | 1.31078i | −4.00387 | − | 6.93491i | 4.56373 | − | 6.57057i | 16.6076 | + | 9.58841i | 19.1253 | + | 12.1332i | 0 | −2.82585 | + | 22.4503i | −18.5620 | + | 32.1503i | −54.1930 | − | 2.26320i | ||
19.6 | −2.50637 | + | 1.31078i | 4.00387 | + | 6.93491i | 4.56373 | − | 6.57057i | −16.6076 | − | 9.58841i | −19.1253 | − | 12.1332i | 0 | −2.82585 | + | 22.4503i | −18.5620 | + | 32.1503i | 54.1930 | + | 2.26320i | ||
19.7 | −2.43851 | + | 1.43307i | −2.07438 | − | 3.59292i | 3.89264 | − | 6.98909i | −7.60752 | − | 4.39220i | 10.2073 | + | 5.78866i | 0 | 0.523587 | + | 22.6214i | 4.89393 | − | 8.47654i | 24.8453 | − | 0.191657i | ||
19.8 | −2.43851 | + | 1.43307i | 2.07438 | + | 3.59292i | 3.89264 | − | 6.98909i | 7.60752 | + | 4.39220i | −10.2073 | − | 5.78866i | 0 | 0.523587 | + | 22.6214i | 4.89393 | − | 8.47654i | −24.8453 | + | 0.191657i | ||
19.9 | −2.26097 | − | 1.69942i | −1.93559 | − | 3.35254i | 2.22394 | + | 7.68467i | 5.90936 | + | 3.41177i | −1.32108 | + | 10.8694i | 0 | 8.03124 | − | 21.1542i | 6.00696 | − | 10.4044i | −7.56283 | − | 17.7564i | ||
19.10 | −2.26097 | − | 1.69942i | 1.93559 | + | 3.35254i | 2.22394 | + | 7.68467i | −5.90936 | − | 3.41177i | 1.32108 | − | 10.8694i | 0 | 8.03124 | − | 21.1542i | 6.00696 | − | 10.4044i | 7.56283 | + | 17.7564i | ||
19.11 | −1.18638 | − | 2.56759i | −0.922201 | − | 1.59730i | −5.18499 | + | 6.09228i | 3.84134 | + | 2.21780i | −3.00712 | + | 4.26284i | 0 | 21.7938 | + | 6.08510i | 11.7991 | − | 20.4366i | 1.13708 | − | 12.4941i | ||
19.12 | −1.18638 | − | 2.56759i | 0.922201 | + | 1.59730i | −5.18499 | + | 6.09228i | −3.84134 | − | 2.21780i | 3.00712 | − | 4.26284i | 0 | 21.7938 | + | 6.08510i | 11.7991 | − | 20.4366i | −1.13708 | + | 12.4941i | ||
19.13 | −0.779398 | − | 2.71892i | −2.98884 | − | 5.17682i | −6.78508 | + | 4.23825i | 14.6227 | + | 8.44243i | −11.7459 | + | 12.1612i | 0 | 16.8117 | + | 15.1448i | −4.36634 | + | 7.56272i | 11.5574 | − | 46.3380i | ||
19.14 | −0.779398 | − | 2.71892i | 2.98884 | + | 5.17682i | −6.78508 | + | 4.23825i | −14.6227 | − | 8.44243i | 11.7459 | − | 12.1612i | 0 | 16.8117 | + | 15.1448i | −4.36634 | + | 7.56272i | −11.5574 | + | 46.3380i | ||
19.15 | −0.0218178 | + | 2.82834i | −2.07438 | − | 3.59292i | −7.99905 | − | 0.123417i | 7.60752 | + | 4.39220i | 10.2073 | − | 5.78866i | 0 | 0.523587 | − | 22.6214i | 4.89393 | − | 8.47654i | −12.5886 | + | 21.4208i | ||
19.16 | −0.0218178 | + | 2.82834i | 2.07438 | + | 3.59292i | −7.99905 | − | 0.123417i | −7.60752 | − | 4.39220i | −10.2073 | + | 5.78866i | 0 | 0.523587 | − | 22.6214i | 4.89393 | − | 8.47654i | 12.5886 | − | 21.4208i | ||
19.17 | 0.118018 | + | 2.82596i | −4.00387 | − | 6.93491i | −7.97214 | + | 0.667027i | −16.6076 | − | 9.58841i | 19.1253 | − | 12.1332i | 0 | −2.82585 | − | 22.4503i | −18.5620 | + | 32.1503i | 25.1365 | − | 48.0641i | ||
19.18 | 0.118018 | + | 2.82596i | 4.00387 | + | 6.93491i | −7.97214 | + | 0.667027i | 16.6076 | + | 9.58841i | −19.1253 | + | 12.1332i | 0 | −2.82585 | − | 22.4503i | −18.5620 | + | 32.1503i | −25.1365 | + | 48.0641i | ||
19.19 | 0.974861 | − | 2.65512i | −4.44929 | − | 7.70640i | −6.09929 | − | 5.17674i | 10.5583 | + | 6.09586i | −24.7988 | + | 4.30072i | 0 | −19.6908 | + | 11.1477i | −26.0924 | + | 45.1933i | 26.4781 | − | 22.0910i | ||
19.20 | 0.974861 | − | 2.65512i | 4.44929 | + | 7.70640i | −6.09929 | − | 5.17674i | −10.5583 | − | 6.09586i | 24.7988 | − | 4.30072i | 0 | −19.6908 | + | 11.1477i | −26.0924 | + | 45.1933i | −26.4781 | + | 22.0910i | ||
See all 64 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
4.b | odd | 2 | 1 | inner |
7.b | odd | 2 | 1 | inner |
7.c | even | 3 | 1 | inner |
7.d | odd | 6 | 1 | inner |
28.d | even | 2 | 1 | inner |
28.f | even | 6 | 1 | inner |
28.g | odd | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 196.4.f.e | 64 | |
4.b | odd | 2 | 1 | inner | 196.4.f.e | 64 | |
7.b | odd | 2 | 1 | inner | 196.4.f.e | 64 | |
7.c | even | 3 | 1 | 196.4.d.c | ✓ | 32 | |
7.c | even | 3 | 1 | inner | 196.4.f.e | 64 | |
7.d | odd | 6 | 1 | 196.4.d.c | ✓ | 32 | |
7.d | odd | 6 | 1 | inner | 196.4.f.e | 64 | |
28.d | even | 2 | 1 | inner | 196.4.f.e | 64 | |
28.f | even | 6 | 1 | 196.4.d.c | ✓ | 32 | |
28.f | even | 6 | 1 | inner | 196.4.f.e | 64 | |
28.g | odd | 6 | 1 | 196.4.d.c | ✓ | 32 | |
28.g | odd | 6 | 1 | inner | 196.4.f.e | 64 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
196.4.d.c | ✓ | 32 | 7.c | even | 3 | 1 | |
196.4.d.c | ✓ | 32 | 7.d | odd | 6 | 1 | |
196.4.d.c | ✓ | 32 | 28.f | even | 6 | 1 | |
196.4.d.c | ✓ | 32 | 28.g | odd | 6 | 1 | |
196.4.f.e | 64 | 1.a | even | 1 | 1 | trivial | |
196.4.f.e | 64 | 4.b | odd | 2 | 1 | inner | |
196.4.f.e | 64 | 7.b | odd | 2 | 1 | inner | |
196.4.f.e | 64 | 7.c | even | 3 | 1 | inner | |
196.4.f.e | 64 | 7.d | odd | 6 | 1 | inner | |
196.4.f.e | 64 | 28.d | even | 2 | 1 | inner | |
196.4.f.e | 64 | 28.f | even | 6 | 1 | inner | |
196.4.f.e | 64 | 28.g | odd | 6 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{4}^{\mathrm{new}}(196, [\chi])\):
\( T_{3}^{32} + 324 T_{3}^{30} + 62618 T_{3}^{28} + 7961528 T_{3}^{26} + 750526648 T_{3}^{24} + \cdots + 95\!\cdots\!24 \) |
\( T_{5}^{32} - 1100 T_{5}^{30} + 740406 T_{5}^{28} - 317176472 T_{5}^{26} + 99624896116 T_{5}^{24} + \cdots + 42\!\cdots\!36 \) |