Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [45,4,Mod(4,45)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(45, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([2, 3]))
N = Newforms(chi, 4, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("45.4");
S:= CuspForms(chi, 4);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 45 = 3^{2} \cdot 5 \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 45.j (of order \(6\), 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: | \(2.65508595026\) |
Analytic rank: | \(0\) |
Dimension: | \(32\) |
Relative dimension: | \(16\) 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4.1 | −4.37720 | + | 2.52718i | 5.16592 | + | 0.559681i | 8.77324 | − | 15.1957i | −3.07459 | − | 10.7493i | −24.0267 | + | 10.6054i | 18.1967 | − | 10.5059i | 48.2513i | 26.3735 | + | 5.78253i | 40.6234 | + | 39.2817i | ||
4.2 | −4.35066 | + | 2.51186i | −1.99648 | − | 4.79730i | 8.61884 | − | 14.9283i | 5.42265 | + | 9.77726i | 20.7361 | + | 15.8565i | −4.66092 | + | 2.69099i | 46.4074i | −19.0281 | + | 19.1554i | −48.1512 | − | 28.9166i | ||
4.3 | −3.53014 | + | 2.03813i | −2.78227 | + | 4.38850i | 4.30793 | − | 7.46156i | −8.75492 | + | 6.95352i | 0.877481 | − | 21.1627i | 11.5553 | − | 6.67148i | 2.51043i | −11.5179 | − | 24.4200i | 16.7339 | − | 42.3906i | ||
4.4 | −2.67377 | + | 1.54370i | 2.05649 | + | 4.77188i | 0.766022 | − | 1.32679i | 11.1766 | − | 0.287878i | −12.8649 | − | 9.58430i | −27.1243 | + | 15.6602i | − | 19.9692i | −18.5417 | + | 19.6266i | −29.4393 | + | 18.0231i | |
4.5 | −2.31667 | + | 1.33753i | −5.14958 | − | 0.694136i | −0.422017 | + | 0.730954i | 7.31972 | − | 8.45113i | 12.8583 | − | 5.27964i | 13.3501 | − | 7.70766i | − | 23.6584i | 26.0363 | + | 7.14902i | −5.65374 | + | 29.3689i | |
4.6 | −2.13376 | + | 1.23192i | 1.50557 | − | 4.97325i | −0.964722 | + | 1.67095i | −9.64354 | − | 5.65704i | 2.91415 | + | 12.4665i | −16.6624 | + | 9.62007i | − | 24.4647i | −22.4665 | − | 14.9752i | 27.5460 | + | 0.190629i | |
4.7 | −0.680118 | + | 0.392666i | 3.65242 | − | 3.69592i | −3.69163 | + | 6.39408i | 10.9698 | + | 2.15960i | −1.03281 | + | 3.94785i | 18.1117 | − | 10.4568i | − | 12.0810i | −0.319654 | − | 26.9981i | −8.30875 | + | 2.83868i | |
4.8 | −0.410487 | + | 0.236995i | 4.58061 | + | 2.45316i | −3.88767 | + | 6.73364i | −8.32653 | + | 7.46116i | −2.46167 | + | 0.0785933i | 7.10710 | − | 4.10329i | − | 7.47735i | 14.9641 | + | 22.4739i | 1.64968 | − | 5.03606i | |
4.9 | 0.410487 | − | 0.236995i | −4.58061 | − | 2.45316i | −3.88767 | + | 6.73364i | −2.29829 | + | 10.9416i | −2.46167 | + | 0.0785933i | −7.10710 | + | 4.10329i | 7.47735i | 14.9641 | + | 22.4739i | 1.64968 | + | 5.03606i | ||
4.10 | 0.680118 | − | 0.392666i | −3.65242 | + | 3.69592i | −3.69163 | + | 6.39408i | −7.35516 | − | 8.42031i | −1.03281 | + | 3.94785i | −18.1117 | + | 10.4568i | 12.0810i | −0.319654 | − | 26.9981i | −8.30875 | − | 2.83868i | ||
4.11 | 2.13376 | − | 1.23192i | −1.50557 | + | 4.97325i | −0.964722 | + | 1.67095i | 9.72091 | + | 5.52303i | 2.91415 | + | 12.4665i | 16.6624 | − | 9.62007i | 24.4647i | −22.4665 | − | 14.9752i | 27.5460 | − | 0.190629i | ||
4.12 | 2.31667 | − | 1.33753i | 5.14958 | + | 0.694136i | −0.422017 | + | 0.730954i | 3.65904 | − | 10.5646i | 12.8583 | − | 5.27964i | −13.3501 | + | 7.70766i | 23.6584i | 26.0363 | + | 7.14902i | −5.65374 | − | 29.3689i | ||
4.13 | 2.67377 | − | 1.54370i | −2.05649 | − | 4.77188i | 0.766022 | − | 1.32679i | −5.33901 | − | 9.82319i | −12.8649 | − | 9.58430i | 27.1243 | − | 15.6602i | 19.9692i | −18.5417 | + | 19.6266i | −29.4393 | − | 18.0231i | ||
4.14 | 3.53014 | − | 2.03813i | 2.78227 | − | 4.38850i | 4.30793 | − | 7.46156i | −1.64447 | + | 11.0587i | 0.877481 | − | 21.1627i | −11.5553 | + | 6.67148i | − | 2.51043i | −11.5179 | − | 24.4200i | 16.7339 | + | 42.3906i | |
4.15 | 4.35066 | − | 2.51186i | 1.99648 | + | 4.79730i | 8.61884 | − | 14.9283i | −11.1787 | + | 0.192474i | 20.7361 | + | 15.8565i | 4.66092 | − | 2.69099i | − | 46.4074i | −19.0281 | + | 19.1554i | −48.1512 | + | 28.9166i | |
4.16 | 4.37720 | − | 2.52718i | −5.16592 | − | 0.559681i | 8.77324 | − | 15.1957i | 10.8464 | − | 2.71197i | −24.0267 | + | 10.6054i | −18.1967 | + | 10.5059i | − | 48.2513i | 26.3735 | + | 5.78253i | 40.6234 | − | 39.2817i | |
34.1 | −4.37720 | − | 2.52718i | 5.16592 | − | 0.559681i | 8.77324 | + | 15.1957i | −3.07459 | + | 10.7493i | −24.0267 | − | 10.6054i | 18.1967 | + | 10.5059i | − | 48.2513i | 26.3735 | − | 5.78253i | 40.6234 | − | 39.2817i | |
34.2 | −4.35066 | − | 2.51186i | −1.99648 | + | 4.79730i | 8.61884 | + | 14.9283i | 5.42265 | − | 9.77726i | 20.7361 | − | 15.8565i | −4.66092 | − | 2.69099i | − | 46.4074i | −19.0281 | − | 19.1554i | −48.1512 | + | 28.9166i | |
34.3 | −3.53014 | − | 2.03813i | −2.78227 | − | 4.38850i | 4.30793 | + | 7.46156i | −8.75492 | − | 6.95352i | 0.877481 | + | 21.1627i | 11.5553 | + | 6.67148i | − | 2.51043i | −11.5179 | + | 24.4200i | 16.7339 | + | 42.3906i | |
34.4 | −2.67377 | − | 1.54370i | 2.05649 | − | 4.77188i | 0.766022 | + | 1.32679i | 11.1766 | + | 0.287878i | −12.8649 | + | 9.58430i | −27.1243 | − | 15.6602i | 19.9692i | −18.5417 | − | 19.6266i | −29.4393 | − | 18.0231i | ||
See all 32 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
5.b | even | 2 | 1 | inner |
9.c | even | 3 | 1 | inner |
45.j | even | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 45.4.j.a | ✓ | 32 |
3.b | odd | 2 | 1 | 135.4.j.a | 32 | ||
5.b | even | 2 | 1 | inner | 45.4.j.a | ✓ | 32 |
5.c | odd | 4 | 2 | 225.4.e.g | 32 | ||
9.c | even | 3 | 1 | inner | 45.4.j.a | ✓ | 32 |
9.c | even | 3 | 1 | 405.4.b.e | 16 | ||
9.d | odd | 6 | 1 | 135.4.j.a | 32 | ||
9.d | odd | 6 | 1 | 405.4.b.f | 16 | ||
15.d | odd | 2 | 1 | 135.4.j.a | 32 | ||
45.h | odd | 6 | 1 | 135.4.j.a | 32 | ||
45.h | odd | 6 | 1 | 405.4.b.f | 16 | ||
45.j | even | 6 | 1 | inner | 45.4.j.a | ✓ | 32 |
45.j | even | 6 | 1 | 405.4.b.e | 16 | ||
45.k | odd | 12 | 2 | 225.4.e.g | 32 | ||
45.k | odd | 12 | 2 | 2025.4.a.bk | 16 | ||
45.l | even | 12 | 2 | 2025.4.a.bl | 16 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
45.4.j.a | ✓ | 32 | 1.a | even | 1 | 1 | trivial |
45.4.j.a | ✓ | 32 | 5.b | even | 2 | 1 | inner |
45.4.j.a | ✓ | 32 | 9.c | even | 3 | 1 | inner |
45.4.j.a | ✓ | 32 | 45.j | even | 6 | 1 | inner |
135.4.j.a | 32 | 3.b | odd | 2 | 1 | ||
135.4.j.a | 32 | 9.d | odd | 6 | 1 | ||
135.4.j.a | 32 | 15.d | odd | 2 | 1 | ||
135.4.j.a | 32 | 45.h | odd | 6 | 1 | ||
225.4.e.g | 32 | 5.c | odd | 4 | 2 | ||
225.4.e.g | 32 | 45.k | odd | 12 | 2 | ||
405.4.b.e | 16 | 9.c | even | 3 | 1 | ||
405.4.b.e | 16 | 45.j | even | 6 | 1 | ||
405.4.b.f | 16 | 9.d | odd | 6 | 1 | ||
405.4.b.f | 16 | 45.h | odd | 6 | 1 | ||
2025.4.a.bk | 16 | 45.k | odd | 12 | 2 | ||
2025.4.a.bl | 16 | 45.l | even | 12 | 2 |
Hecke kernels
This newform subspace is the entire newspace \(S_{4}^{\mathrm{new}}(45, [\chi])\).