Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [676,2,Mod(99,676)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(676, base_ring=CyclotomicField(4))
chi = DirichletCharacter(H, H._module([2, 1]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("676.99");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 676 = 2^{2} \cdot 13^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 676.f (of order \(4\), degree \(2\), 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: | \(5.39788717664\) |
Analytic rank: | \(0\) |
Dimension: | \(72\) |
Relative dimension: | \(36\) over \(\Q(i)\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{4}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
99.1 | −1.41391 | + | 0.0293598i | − | 1.05568i | 1.99828 | − | 0.0830241i | −1.55574 | − | 1.55574i | 0.0309945 | + | 1.49263i | −0.0324435 | − | 0.0324435i | −2.82294 | + | 0.176057i | 1.88554 | 2.24535 | + | 2.15400i | |||
99.2 | −1.40338 | − | 0.174698i | − | 0.433961i | 1.93896 | + | 0.490335i | 1.49858 | + | 1.49858i | −0.0758119 | + | 0.609012i | 2.96675 | + | 2.96675i | −2.63544 | − | 1.02686i | 2.81168 | −1.84129 | − | 2.36489i | |||
99.3 | −1.39808 | + | 0.212979i | 1.71187i | 1.90928 | − | 0.595524i | 2.17634 | + | 2.17634i | −0.364592 | − | 2.39334i | −1.95037 | − | 1.95037i | −2.54250 | + | 1.23923i | 0.0694977 | −3.50622 | − | 2.57919i | ||||
99.4 | −1.37640 | − | 0.324844i | − | 2.58841i | 1.78895 | + | 0.894230i | −2.44781 | − | 2.44781i | −0.840828 | + | 3.56268i | 0.893641 | + | 0.893641i | −2.17183 | − | 1.81195i | −3.69986 | 2.57401 | + | 4.16432i | |||
99.5 | −1.37390 | + | 0.335273i | 3.21981i | 1.77518 | − | 0.921261i | −0.993752 | − | 0.993752i | −1.07951 | − | 4.42369i | −1.03001 | − | 1.03001i | −2.13005 | + | 1.86089i | −7.36718 | 1.69849 | + | 1.03213i | ||||
99.6 | −1.34564 | − | 0.435033i | 1.38730i | 1.62149 | + | 1.17080i | −0.271471 | − | 0.271471i | 0.603521 | − | 1.86680i | −2.48002 | − | 2.48002i | −1.67261 | − | 2.28087i | 1.07540 | 0.247204 | + | 0.483401i | ||||
99.7 | −1.31117 | + | 0.529942i | 0.795345i | 1.43832 | − | 1.38969i | −2.21358 | − | 2.21358i | −0.421486 | − | 1.04283i | 3.05060 | + | 3.05060i | −1.14943 | + | 2.58434i | 2.36743 | 4.07544 | + | 1.72931i | ||||
99.8 | −1.12461 | − | 0.857469i | − | 2.90707i | 0.529492 | + | 1.92864i | 0.657840 | + | 0.657840i | −2.49272 | + | 3.26931i | 1.77139 | + | 1.77139i | 1.05827 | − | 2.62299i | −5.45103 | −0.175735 | − | 1.30389i | |||
99.9 | −1.03639 | + | 0.962238i | 1.64057i | 0.148195 | − | 1.99450i | −2.49234 | − | 2.49234i | −1.57862 | − | 1.70027i | −1.98479 | − | 1.98479i | 1.76560 | + | 2.20967i | 0.308521 | 4.98125 | + | 0.184803i | ||||
99.10 | −0.962238 | + | 1.03639i | − | 1.64057i | −0.148195 | − | 1.99450i | 2.49234 | + | 2.49234i | 1.70027 | + | 1.57862i | −1.98479 | − | 1.98479i | 2.20967 | + | 1.76560i | 0.308521 | −4.98125 | + | 0.184803i | |||
99.11 | −0.857469 | − | 1.12461i | 2.90707i | −0.529492 | + | 1.92864i | 0.657840 | + | 0.657840i | 3.26931 | − | 2.49272i | −1.77139 | − | 1.77139i | 2.62299 | − | 1.05827i | −5.45103 | 0.175735 | − | 1.30389i | ||||
99.12 | −0.529942 | + | 1.31117i | − | 0.795345i | −1.43832 | − | 1.38969i | 2.21358 | + | 2.21358i | 1.04283 | + | 0.421486i | 3.05060 | + | 3.05060i | 2.58434 | − | 1.14943i | 2.36743 | −4.07544 | + | 1.72931i | |||
99.13 | −0.435033 | − | 1.34564i | − | 1.38730i | −1.62149 | + | 1.17080i | −0.271471 | − | 0.271471i | −1.86680 | + | 0.603521i | 2.48002 | + | 2.48002i | 2.28087 | + | 1.67261i | 1.07540 | −0.247204 | + | 0.483401i | |||
99.14 | −0.335273 | + | 1.37390i | − | 3.21981i | −1.77518 | − | 0.921261i | 0.993752 | + | 0.993752i | 4.42369 | + | 1.07951i | −1.03001 | − | 1.03001i | 1.86089 | − | 2.13005i | −7.36718 | −1.69849 | + | 1.03213i | |||
99.15 | −0.324844 | − | 1.37640i | 2.58841i | −1.78895 | + | 0.894230i | −2.44781 | − | 2.44781i | 3.56268 | − | 0.840828i | −0.893641 | − | 0.893641i | 1.81195 | + | 2.17183i | −3.69986 | −2.57401 | + | 4.16432i | ||||
99.16 | −0.212979 | + | 1.39808i | − | 1.71187i | −1.90928 | − | 0.595524i | −2.17634 | − | 2.17634i | 2.39334 | + | 0.364592i | −1.95037 | − | 1.95037i | 1.23923 | − | 2.54250i | 0.0694977 | 3.50622 | − | 2.57919i | |||
99.17 | −0.174698 | − | 1.40338i | 0.433961i | −1.93896 | + | 0.490335i | 1.49858 | + | 1.49858i | 0.609012 | − | 0.0758119i | −2.96675 | − | 2.96675i | 1.02686 | + | 2.63544i | 2.81168 | 1.84129 | − | 2.36489i | ||||
99.18 | −0.0293598 | + | 1.41391i | 1.05568i | −1.99828 | − | 0.0830241i | 1.55574 | + | 1.55574i | −1.49263 | − | 0.0309945i | −0.0324435 | − | 0.0324435i | 0.176057 | − | 2.82294i | 1.88554 | −2.24535 | + | 2.15400i | ||||
99.19 | 0.0293598 | − | 1.41391i | 1.05568i | −1.99828 | − | 0.0830241i | −1.55574 | − | 1.55574i | 1.49263 | + | 0.0309945i | 0.0324435 | + | 0.0324435i | −0.176057 | + | 2.82294i | 1.88554 | −2.24535 | + | 2.15400i | ||||
99.20 | 0.174698 | + | 1.40338i | 0.433961i | −1.93896 | + | 0.490335i | −1.49858 | − | 1.49858i | −0.609012 | + | 0.0758119i | 2.96675 | + | 2.96675i | −1.02686 | − | 2.63544i | 2.81168 | 1.84129 | − | 2.36489i | ||||
See all 72 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
4.b | odd | 2 | 1 | inner |
13.b | even | 2 | 1 | inner |
13.d | odd | 4 | 2 | inner |
52.b | odd | 2 | 1 | inner |
52.f | even | 4 | 2 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 676.2.f.j | ✓ | 72 |
4.b | odd | 2 | 1 | inner | 676.2.f.j | ✓ | 72 |
13.b | even | 2 | 1 | inner | 676.2.f.j | ✓ | 72 |
13.c | even | 3 | 2 | 676.2.l.n | 144 | ||
13.d | odd | 4 | 2 | inner | 676.2.f.j | ✓ | 72 |
13.e | even | 6 | 2 | 676.2.l.n | 144 | ||
13.f | odd | 12 | 4 | 676.2.l.n | 144 | ||
52.b | odd | 2 | 1 | inner | 676.2.f.j | ✓ | 72 |
52.f | even | 4 | 2 | inner | 676.2.f.j | ✓ | 72 |
52.i | odd | 6 | 2 | 676.2.l.n | 144 | ||
52.j | odd | 6 | 2 | 676.2.l.n | 144 | ||
52.l | even | 12 | 4 | 676.2.l.n | 144 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
676.2.f.j | ✓ | 72 | 1.a | even | 1 | 1 | trivial |
676.2.f.j | ✓ | 72 | 4.b | odd | 2 | 1 | inner |
676.2.f.j | ✓ | 72 | 13.b | even | 2 | 1 | inner |
676.2.f.j | ✓ | 72 | 13.d | odd | 4 | 2 | inner |
676.2.f.j | ✓ | 72 | 52.b | odd | 2 | 1 | inner |
676.2.f.j | ✓ | 72 | 52.f | even | 4 | 2 | inner |
676.2.l.n | 144 | 13.c | even | 3 | 2 | ||
676.2.l.n | 144 | 13.e | even | 6 | 2 | ||
676.2.l.n | 144 | 13.f | odd | 12 | 4 | ||
676.2.l.n | 144 | 52.i | odd | 6 | 2 | ||
676.2.l.n | 144 | 52.j | odd | 6 | 2 | ||
676.2.l.n | 144 | 52.l | even | 12 | 4 |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(676, [\chi])\):
\( T_{3}^{18} + 35 T_{3}^{16} + 490 T_{3}^{14} + 3549 T_{3}^{12} + 14469 T_{3}^{10} + 34125 T_{3}^{8} + \cdots + 1183 \) |
\( T_{5}^{36} + 532 T_{5}^{32} + 110166 T_{5}^{28} + 11174646 T_{5}^{24} + 573422549 T_{5}^{20} + \cdots + 5732306944 \) |
\( T_{7}^{36} + 974 T_{7}^{32} + 350485 T_{7}^{28} + 58464322 T_{7}^{24} + 4820317082 T_{7}^{20} + \cdots + 116985856 \) |