Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [91,5,Mod(90,91)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(91, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 1]))
N = Newforms(chi, 5, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("91.90");
S:= CuspForms(chi, 5);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 91 = 7 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 5 \) |
Character orbit: | \([\chi]\) | \(=\) | 91.b (of order \(2\), degree \(1\), 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: | \(9.40666664063\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-expansion
The algebraic \(q\)-expansion of this newform has not been computed, 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
90.1 | − | 7.29035i | − | 8.59396i | −37.1492 | 3.32237 | −62.6530 | −31.2319 | + | 37.7567i | 154.185i | 7.14378 | − | 24.2213i | |||||||||||||
90.2 | − | 7.29035i | 8.59396i | −37.1492 | −3.32237 | 62.6530 | 31.2319 | + | 37.7567i | 154.185i | 7.14378 | 24.2213i | |||||||||||||||
90.3 | − | 6.62243i | − | 3.62781i | −27.8566 | −35.6458 | −24.0249 | −11.4340 | − | 47.6473i | 78.5198i | 67.8390 | 236.062i | ||||||||||||||
90.4 | − | 6.62243i | 3.62781i | −27.8566 | 35.6458 | 24.0249 | 11.4340 | − | 47.6473i | 78.5198i | 67.8390 | − | 236.062i | ||||||||||||||
90.5 | − | 5.90557i | − | 15.8634i | −18.8758 | −16.2792 | −93.6825 | 48.9421 | − | 2.38147i | 16.9833i | −170.647 | 96.1381i | ||||||||||||||
90.6 | − | 5.90557i | 15.8634i | −18.8758 | 16.2792 | 93.6825 | −48.9421 | − | 2.38147i | 16.9833i | −170.647 | − | 96.1381i | ||||||||||||||
90.7 | − | 4.98341i | − | 14.1593i | −8.83439 | 37.2024 | −70.5614 | −46.1652 | − | 16.4247i | − | 35.7092i | −119.484 | − | 185.395i | ||||||||||||
90.8 | − | 4.98341i | 14.1593i | −8.83439 | −37.2024 | 70.5614 | 46.1652 | − | 16.4247i | − | 35.7092i | −119.484 | 185.395i | ||||||||||||||
90.9 | − | 4.01321i | − | 2.72957i | −0.105892 | 30.9572 | −10.9544 | 20.4779 | + | 44.5158i | − | 63.7865i | 73.5494 | − | 124.238i | ||||||||||||
90.10 | − | 4.01321i | 2.72957i | −0.105892 | −30.9572 | 10.9544 | −20.4779 | + | 44.5158i | − | 63.7865i | 73.5494 | 124.238i | ||||||||||||||
90.11 | − | 3.89234i | − | 5.83401i | 0.849652 | 8.73225 | −22.7080 | 48.8772 | + | 3.46667i | − | 65.5847i | 46.9643 | − | 33.9889i | ||||||||||||
90.12 | − | 3.89234i | 5.83401i | 0.849652 | −8.73225 | 22.7080 | −48.8772 | + | 3.46667i | − | 65.5847i | 46.9643 | 33.9889i | ||||||||||||||
90.13 | − | 1.65881i | − | 14.8245i | 13.2484 | −32.1514 | −24.5910 | −36.6363 | + | 32.5389i | − | 48.5173i | −138.767 | 53.3330i | |||||||||||||
90.14 | − | 1.65881i | 14.8245i | 13.2484 | 32.1514 | 24.5910 | 36.6363 | + | 32.5389i | − | 48.5173i | −138.767 | − | 53.3330i | |||||||||||||
90.15 | − | 1.50866i | − | 9.03315i | 13.7240 | −9.79747 | −13.6279 | −9.82211 | − | 48.0055i | − | 44.8433i | −0.597837 | 14.7810i | |||||||||||||
90.16 | − | 1.50866i | 9.03315i | 13.7240 | 9.79747 | 13.6279 | 9.82211 | − | 48.0055i | − | 44.8433i | −0.597837 | − | 14.7810i | |||||||||||||
90.17 | 1.50866i | − | 9.03315i | 13.7240 | 9.79747 | 13.6279 | 9.82211 | + | 48.0055i | 44.8433i | −0.597837 | 14.7810i | |||||||||||||||
90.18 | 1.50866i | 9.03315i | 13.7240 | −9.79747 | −13.6279 | −9.82211 | + | 48.0055i | 44.8433i | −0.597837 | − | 14.7810i | |||||||||||||||
90.19 | 1.65881i | − | 14.8245i | 13.2484 | 32.1514 | 24.5910 | 36.6363 | − | 32.5389i | 48.5173i | −138.767 | 53.3330i | |||||||||||||||
90.20 | 1.65881i | 14.8245i | 13.2484 | −32.1514 | −24.5910 | −36.6363 | − | 32.5389i | 48.5173i | −138.767 | − | 53.3330i | |||||||||||||||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.b | odd | 2 | 1 | inner |
13.b | even | 2 | 1 | inner |
91.b | odd | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 91.5.b.c | ✓ | 32 |
7.b | odd | 2 | 1 | inner | 91.5.b.c | ✓ | 32 |
13.b | even | 2 | 1 | inner | 91.5.b.c | ✓ | 32 |
91.b | odd | 2 | 1 | inner | 91.5.b.c | ✓ | 32 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
91.5.b.c | ✓ | 32 | 1.a | even | 1 | 1 | trivial |
91.5.b.c | ✓ | 32 | 7.b | odd | 2 | 1 | inner |
91.5.b.c | ✓ | 32 | 13.b | even | 2 | 1 | inner |
91.5.b.c | ✓ | 32 | 91.b | odd | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{5}^{\mathrm{new}}(91, [\chi])\):
\( T_{2}^{16} + 193 T_{2}^{14} + 15083 T_{2}^{12} + 614639 T_{2}^{10} + 14004332 T_{2}^{8} + \cdots + 3085248448 \) |
\( T_{5}^{16} - 5095 T_{5}^{14} + 10178324 T_{5}^{12} - 10007225154 T_{5}^{10} + 4967789425189 T_{5}^{8} + \cdots + 37\!\cdots\!24 \) |