Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [85,2,Mod(26,85)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(85, base_ring=CyclotomicField(8))
chi = DirichletCharacter(H, H._module([0, 1]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("85.26");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 85 = 5 \cdot 17 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 85.l (of order \(8\), degree \(4\), 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: | \(0.678728417181\) |
Analytic rank: | \(0\) |
Dimension: | \(24\) |
Relative dimension: | \(6\) over \(\Q(\zeta_{8})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{8}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
26.1 | −1.93083 | + | 1.93083i | −1.42916 | − | 0.591976i | − | 5.45623i | 0.382683 | − | 0.923880i | 3.90247 | − | 1.61646i | −0.483886 | − | 1.16820i | 6.67340 | + | 6.67340i | −0.429267 | − | 0.429267i | 1.04496 | + | 2.52275i | |
26.2 | −1.27691 | + | 1.27691i | 0.635552 | + | 0.263254i | − | 1.26102i | −0.382683 | + | 0.923880i | −1.14770 | + | 0.475393i | 1.66158 | + | 4.01142i | −0.943613 | − | 0.943613i | −1.78670 | − | 1.78670i | −0.691061 | − | 1.66837i | |
26.3 | −1.09994 | + | 1.09994i | 2.77900 | + | 1.15110i | − | 0.419729i | 0.382683 | − | 0.923880i | −4.32287 | + | 1.79059i | −1.32205 | − | 3.19170i | −1.73820 | − | 1.73820i | 4.27649 | + | 4.27649i | 0.595282 | + | 1.43714i | |
26.4 | 0.213325 | − | 0.213325i | 0.980249 | + | 0.406032i | 1.90899i | −0.382683 | + | 0.923880i | 0.295728 | − | 0.122495i | −0.960473 | − | 2.31879i | 0.833883 | + | 0.833883i | −1.32529 | − | 1.32529i | 0.115451 | + | 0.278722i | ||
26.5 | 1.01710 | − | 1.01710i | −0.101541 | − | 0.0420595i | − | 0.0689897i | 0.382683 | − | 0.923880i | −0.146056 | + | 0.0604983i | −0.265997 | − | 0.642174i | 1.96403 | + | 1.96403i | −2.11278 | − | 2.11278i | −0.550451 | − | 1.32891i | |
26.6 | 1.66305 | − | 1.66305i | −1.44989 | − | 0.600564i | − | 3.53144i | −0.382683 | + | 0.923880i | −3.41000 | + | 1.41247i | 1.37082 | + | 3.30945i | −2.54686 | − | 2.54686i | −0.379815 | − | 0.379815i | 0.900034 | + | 2.17287i | |
36.1 | −1.93083 | − | 1.93083i | −1.42916 | + | 0.591976i | 5.45623i | 0.382683 | + | 0.923880i | 3.90247 | + | 1.61646i | −0.483886 | + | 1.16820i | 6.67340 | − | 6.67340i | −0.429267 | + | 0.429267i | 1.04496 | − | 2.52275i | ||
36.2 | −1.27691 | − | 1.27691i | 0.635552 | − | 0.263254i | 1.26102i | −0.382683 | − | 0.923880i | −1.14770 | − | 0.475393i | 1.66158 | − | 4.01142i | −0.943613 | + | 0.943613i | −1.78670 | + | 1.78670i | −0.691061 | + | 1.66837i | ||
36.3 | −1.09994 | − | 1.09994i | 2.77900 | − | 1.15110i | 0.419729i | 0.382683 | + | 0.923880i | −4.32287 | − | 1.79059i | −1.32205 | + | 3.19170i | −1.73820 | + | 1.73820i | 4.27649 | − | 4.27649i | 0.595282 | − | 1.43714i | ||
36.4 | 0.213325 | + | 0.213325i | 0.980249 | − | 0.406032i | − | 1.90899i | −0.382683 | − | 0.923880i | 0.295728 | + | 0.122495i | −0.960473 | + | 2.31879i | 0.833883 | − | 0.833883i | −1.32529 | + | 1.32529i | 0.115451 | − | 0.278722i | |
36.5 | 1.01710 | + | 1.01710i | −0.101541 | + | 0.0420595i | 0.0689897i | 0.382683 | + | 0.923880i | −0.146056 | − | 0.0604983i | −0.265997 | + | 0.642174i | 1.96403 | − | 1.96403i | −2.11278 | + | 2.11278i | −0.550451 | + | 1.32891i | ||
36.6 | 1.66305 | + | 1.66305i | −1.44989 | + | 0.600564i | 3.53144i | −0.382683 | − | 0.923880i | −3.41000 | − | 1.41247i | 1.37082 | − | 3.30945i | −2.54686 | + | 2.54686i | −0.379815 | + | 0.379815i | 0.900034 | − | 2.17287i | ||
66.1 | −1.44607 | − | 1.44607i | −1.22292 | − | 2.95240i | 2.18224i | 0.923880 | − | 0.382683i | −2.50094 | + | 6.03781i | 1.08781 | + | 0.450584i | 0.263530 | − | 0.263530i | −5.09981 | + | 5.09981i | −1.88938 | − | 0.782608i | ||
66.2 | −0.528855 | − | 0.528855i | 1.17676 | + | 2.84096i | − | 1.44062i | −0.923880 | + | 0.382683i | 0.880118 | − | 2.12479i | 2.98655 | + | 1.23707i | −1.81959 | + | 1.81959i | −4.56494 | + | 4.56494i | 0.690983 | + | 0.286214i | |
66.3 | −0.254738 | − | 0.254738i | 0.0207557 | + | 0.0501087i | − | 1.87022i | 0.923880 | − | 0.382683i | 0.00747733 | − | 0.0180519i | 0.275980 | + | 0.114315i | −0.985893 | + | 0.985893i | 2.11924 | − | 2.11924i | −0.332832 | − | 0.137863i | |
66.4 | 0.680853 | + | 0.680853i | −1.01372 | − | 2.44733i | − | 1.07288i | −0.923880 | + | 0.382683i | 0.976080 | − | 2.35647i | 2.85906 | + | 1.18426i | 2.09218 | − | 2.09218i | −2.84049 | + | 2.84049i | −0.889577 | − | 0.368475i | |
66.5 | 1.09631 | + | 1.09631i | 0.436412 | + | 1.05359i | 0.403772i | −0.923880 | + | 0.382683i | −0.676617 | + | 1.63350i | −3.45666 | − | 1.43180i | 1.74995 | − | 1.74995i | 1.20172 | − | 1.20172i | −1.43239 | − | 0.593316i | ||
66.6 | 1.86672 | + | 1.86672i | −0.811501 | − | 1.95914i | 4.96928i | 0.923880 | − | 0.382683i | 2.14231 | − | 5.17200i | −3.75274 | − | 1.55444i | −5.54282 | + | 5.54282i | −1.05836 | + | 1.05836i | 2.43899 | + | 1.01026i | ||
76.1 | −1.44607 | + | 1.44607i | −1.22292 | + | 2.95240i | − | 2.18224i | 0.923880 | + | 0.382683i | −2.50094 | − | 6.03781i | 1.08781 | − | 0.450584i | 0.263530 | + | 0.263530i | −5.09981 | − | 5.09981i | −1.88938 | + | 0.782608i | |
76.2 | −0.528855 | + | 0.528855i | 1.17676 | − | 2.84096i | 1.44062i | −0.923880 | − | 0.382683i | 0.880118 | + | 2.12479i | 2.98655 | − | 1.23707i | −1.81959 | − | 1.81959i | −4.56494 | − | 4.56494i | 0.690983 | − | 0.286214i | ||
See all 24 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
17.d | even | 8 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 85.2.l.a | ✓ | 24 |
3.b | odd | 2 | 1 | 765.2.be.b | 24 | ||
5.b | even | 2 | 1 | 425.2.m.b | 24 | ||
5.c | odd | 4 | 1 | 425.2.n.c | 24 | ||
5.c | odd | 4 | 1 | 425.2.n.f | 24 | ||
17.d | even | 8 | 1 | inner | 85.2.l.a | ✓ | 24 |
17.e | odd | 16 | 1 | 1445.2.a.p | 12 | ||
17.e | odd | 16 | 1 | 1445.2.a.q | 12 | ||
17.e | odd | 16 | 2 | 1445.2.d.j | 24 | ||
51.g | odd | 8 | 1 | 765.2.be.b | 24 | ||
85.k | odd | 8 | 1 | 425.2.n.c | 24 | ||
85.m | even | 8 | 1 | 425.2.m.b | 24 | ||
85.n | odd | 8 | 1 | 425.2.n.f | 24 | ||
85.p | odd | 16 | 1 | 7225.2.a.bq | 12 | ||
85.p | odd | 16 | 1 | 7225.2.a.bs | 12 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
85.2.l.a | ✓ | 24 | 1.a | even | 1 | 1 | trivial |
85.2.l.a | ✓ | 24 | 17.d | even | 8 | 1 | inner |
425.2.m.b | 24 | 5.b | even | 2 | 1 | ||
425.2.m.b | 24 | 85.m | even | 8 | 1 | ||
425.2.n.c | 24 | 5.c | odd | 4 | 1 | ||
425.2.n.c | 24 | 85.k | odd | 8 | 1 | ||
425.2.n.f | 24 | 5.c | odd | 4 | 1 | ||
425.2.n.f | 24 | 85.n | odd | 8 | 1 | ||
765.2.be.b | 24 | 3.b | odd | 2 | 1 | ||
765.2.be.b | 24 | 51.g | odd | 8 | 1 | ||
1445.2.a.p | 12 | 17.e | odd | 16 | 1 | ||
1445.2.a.q | 12 | 17.e | odd | 16 | 1 | ||
1445.2.d.j | 24 | 17.e | odd | 16 | 2 | ||
7225.2.a.bq | 12 | 85.p | odd | 16 | 1 | ||
7225.2.a.bs | 12 | 85.p | odd | 16 | 1 |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(85, [\chi])\).