Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [936,2,Mod(755,936)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(936, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 1, 1, 0]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("936.755");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 936 = 2^{3} \cdot 3^{2} \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 936.j (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: | \(7.47399762919\) |
Analytic rank: | \(0\) |
Dimension: | \(48\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
755.1 | −1.40511 | − | 0.160221i | 0 | 1.94866 | + | 0.450256i | 3.43430 | 0 | − | 1.48385i | −2.66594 | − | 0.944875i | 0 | −4.82556 | − | 0.550247i | |||||||||
755.2 | −1.40511 | + | 0.160221i | 0 | 1.94866 | − | 0.450256i | 3.43430 | 0 | 1.48385i | −2.66594 | + | 0.944875i | 0 | −4.82556 | + | 0.550247i | ||||||||||
755.3 | −1.40416 | − | 0.168324i | 0 | 1.94333 | + | 0.472708i | −2.74521 | 0 | − | 0.0889956i | −2.64918 | − | 0.990868i | 0 | 3.85471 | + | 0.462085i | |||||||||
755.4 | −1.40416 | + | 0.168324i | 0 | 1.94333 | − | 0.472708i | −2.74521 | 0 | 0.0889956i | −2.64918 | + | 0.990868i | 0 | 3.85471 | − | 0.462085i | ||||||||||
755.5 | −1.32582 | − | 0.492152i | 0 | 1.51557 | + | 1.30500i | −0.678099 | 0 | 4.56073i | −1.36711 | − | 2.47609i | 0 | 0.899035 | + | 0.333728i | ||||||||||
755.6 | −1.32582 | + | 0.492152i | 0 | 1.51557 | − | 1.30500i | −0.678099 | 0 | − | 4.56073i | −1.36711 | + | 2.47609i | 0 | 0.899035 | − | 0.333728i | |||||||||
755.7 | −1.18697 | − | 0.768828i | 0 | 0.817808 | + | 1.82515i | −0.327243 | 0 | 2.84373i | 0.432514 | − | 2.79516i | 0 | 0.388429 | + | 0.251594i | ||||||||||
755.8 | −1.18697 | + | 0.768828i | 0 | 0.817808 | − | 1.82515i | −0.327243 | 0 | − | 2.84373i | 0.432514 | + | 2.79516i | 0 | 0.388429 | − | 0.251594i | |||||||||
755.9 | −1.15766 | − | 0.812299i | 0 | 0.680340 | + | 1.88073i | −3.23777 | 0 | − | 4.33596i | 0.740114 | − | 2.72988i | 0 | 3.74823 | + | 2.63004i | |||||||||
755.10 | −1.15766 | + | 0.812299i | 0 | 0.680340 | − | 1.88073i | −3.23777 | 0 | 4.33596i | 0.740114 | + | 2.72988i | 0 | 3.74823 | − | 2.63004i | ||||||||||
755.11 | −1.01985 | − | 0.979751i | 0 | 0.0801759 | + | 1.99839i | 2.22260 | 0 | − | 0.534598i | 1.87616 | − | 2.11661i | 0 | −2.26672 | − | 2.17760i | |||||||||
755.12 | −1.01985 | + | 0.979751i | 0 | 0.0801759 | − | 1.99839i | 2.22260 | 0 | 0.534598i | 1.87616 | + | 2.11661i | 0 | −2.26672 | + | 2.17760i | ||||||||||
755.13 | −0.668898 | − | 1.24602i | 0 | −1.10515 | + | 1.66693i | −3.68104 | 0 | 5.03597i | 2.81626 | + | 0.262038i | 0 | 2.46224 | + | 4.58666i | ||||||||||
755.14 | −0.668898 | + | 1.24602i | 0 | −1.10515 | − | 1.66693i | −3.68104 | 0 | − | 5.03597i | 2.81626 | − | 0.262038i | 0 | 2.46224 | − | 4.58666i | |||||||||
755.15 | −0.634171 | − | 1.26405i | 0 | −1.19565 | + | 1.60325i | 0.743520 | 0 | − | 1.72000i | 2.78484 | + | 0.494635i | 0 | −0.471519 | − | 0.939848i | |||||||||
755.16 | −0.634171 | + | 1.26405i | 0 | −1.19565 | − | 1.60325i | 0.743520 | 0 | 1.72000i | 2.78484 | − | 0.494635i | 0 | −0.471519 | + | 0.939848i | ||||||||||
755.17 | −0.513202 | − | 1.31781i | 0 | −1.47325 | + | 1.35261i | −0.398187 | 0 | 2.67298i | 2.53855 | + | 1.24730i | 0 | 0.204351 | + | 0.524735i | ||||||||||
755.18 | −0.513202 | + | 1.31781i | 0 | −1.47325 | − | 1.35261i | −0.398187 | 0 | − | 2.67298i | 2.53855 | − | 1.24730i | 0 | 0.204351 | − | 0.524735i | |||||||||
755.19 | −0.508510 | − | 1.31963i | 0 | −1.48284 | + | 1.34209i | −2.44507 | 0 | − | 2.55268i | 2.52509 | + | 1.27433i | 0 | 1.24334 | + | 3.22658i | |||||||||
755.20 | −0.508510 | + | 1.31963i | 0 | −1.48284 | − | 1.34209i | −2.44507 | 0 | 2.55268i | 2.52509 | − | 1.27433i | 0 | 1.24334 | − | 3.22658i | ||||||||||
See all 48 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
8.d | odd | 2 | 1 | inner |
24.f | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 936.2.j.a | ✓ | 48 |
3.b | odd | 2 | 1 | inner | 936.2.j.a | ✓ | 48 |
4.b | odd | 2 | 1 | 3744.2.j.a | 48 | ||
8.b | even | 2 | 1 | 3744.2.j.a | 48 | ||
8.d | odd | 2 | 1 | inner | 936.2.j.a | ✓ | 48 |
12.b | even | 2 | 1 | 3744.2.j.a | 48 | ||
24.f | even | 2 | 1 | inner | 936.2.j.a | ✓ | 48 |
24.h | odd | 2 | 1 | 3744.2.j.a | 48 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
936.2.j.a | ✓ | 48 | 1.a | even | 1 | 1 | trivial |
936.2.j.a | ✓ | 48 | 3.b | odd | 2 | 1 | inner |
936.2.j.a | ✓ | 48 | 8.d | odd | 2 | 1 | inner |
936.2.j.a | ✓ | 48 | 24.f | even | 2 | 1 | inner |
3744.2.j.a | 48 | 4.b | odd | 2 | 1 | ||
3744.2.j.a | 48 | 8.b | even | 2 | 1 | ||
3744.2.j.a | 48 | 12.b | even | 2 | 1 | ||
3744.2.j.a | 48 | 24.h | odd | 2 | 1 |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(936, [\chi])\).