Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [1620,2,Mod(971,1620)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1620, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([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("1620.971");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 1620 = 2^{2} \cdot 3^{4} \cdot 5 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 1620.e (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: | \(12.9357651274\) |
Analytic rank: | \(0\) |
Dimension: | \(48\) |
Twist minimal: | no (minimal twist has level 180) |
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
971.1 | −1.41320 | − | 0.0535467i | 0 | 1.99427 | + | 0.151344i | − | 1.00000i | 0 | − | 2.16432i | −2.81019 | − | 0.320666i | 0 | −0.0535467 | + | 1.41320i | ||||||||
971.2 | −1.41320 | + | 0.0535467i | 0 | 1.99427 | − | 0.151344i | 1.00000i | 0 | 2.16432i | −2.81019 | + | 0.320666i | 0 | −0.0535467 | − | 1.41320i | ||||||||||
971.3 | −1.37860 | − | 0.315389i | 0 | 1.80106 | + | 0.869588i | 1.00000i | 0 | − | 2.19567i | −2.20868 | − | 1.76684i | 0 | 0.315389 | − | 1.37860i | |||||||||
971.4 | −1.37860 | + | 0.315389i | 0 | 1.80106 | − | 0.869588i | − | 1.00000i | 0 | 2.19567i | −2.20868 | + | 1.76684i | 0 | 0.315389 | + | 1.37860i | |||||||||
971.5 | −1.32567 | − | 0.492552i | 0 | 1.51479 | + | 1.30592i | 1.00000i | 0 | 3.84799i | −1.36487 | − | 2.47732i | 0 | 0.492552 | − | 1.32567i | ||||||||||
971.6 | −1.32567 | + | 0.492552i | 0 | 1.51479 | − | 1.30592i | − | 1.00000i | 0 | − | 3.84799i | −1.36487 | + | 2.47732i | 0 | 0.492552 | + | 1.32567i | ||||||||
971.7 | −1.26211 | − | 0.638030i | 0 | 1.18584 | + | 1.61053i | − | 1.00000i | 0 | 4.69912i | −0.469091 | − | 2.78926i | 0 | −0.638030 | + | 1.26211i | |||||||||
971.8 | −1.26211 | + | 0.638030i | 0 | 1.18584 | − | 1.61053i | 1.00000i | 0 | − | 4.69912i | −0.469091 | + | 2.78926i | 0 | −0.638030 | − | 1.26211i | |||||||||
971.9 | −1.14547 | − | 0.829399i | 0 | 0.624193 | + | 1.90010i | − | 1.00000i | 0 | − | 2.90505i | 0.860949 | − | 2.69421i | 0 | −0.829399 | + | 1.14547i | ||||||||
971.10 | −1.14547 | + | 0.829399i | 0 | 0.624193 | − | 1.90010i | 1.00000i | 0 | 2.90505i | 0.860949 | + | 2.69421i | 0 | −0.829399 | − | 1.14547i | ||||||||||
971.11 | −1.04983 | − | 0.947554i | 0 | 0.204282 | + | 1.98954i | 1.00000i | 0 | − | 4.17013i | 1.67074 | − | 2.28224i | 0 | 0.947554 | − | 1.04983i | |||||||||
971.12 | −1.04983 | + | 0.947554i | 0 | 0.204282 | − | 1.98954i | − | 1.00000i | 0 | 4.17013i | 1.67074 | + | 2.28224i | 0 | 0.947554 | + | 1.04983i | |||||||||
971.13 | −1.04383 | − | 0.954154i | 0 | 0.179181 | + | 1.99196i | 1.00000i | 0 | 0.851747i | 1.71360 | − | 2.25024i | 0 | 0.954154 | − | 1.04383i | ||||||||||
971.14 | −1.04383 | + | 0.954154i | 0 | 0.179181 | − | 1.99196i | − | 1.00000i | 0 | − | 0.851747i | 1.71360 | + | 2.25024i | 0 | 0.954154 | + | 1.04383i | ||||||||
971.15 | −0.863299 | − | 1.12014i | 0 | −0.509428 | + | 1.93403i | − | 1.00000i | 0 | 1.02978i | 2.60618 | − | 1.09902i | 0 | −1.12014 | + | 0.863299i | |||||||||
971.16 | −0.863299 | + | 1.12014i | 0 | −0.509428 | − | 1.93403i | 1.00000i | 0 | − | 1.02978i | 2.60618 | + | 1.09902i | 0 | −1.12014 | − | 0.863299i | |||||||||
971.17 | −0.499529 | − | 1.32305i | 0 | −1.50094 | + | 1.32181i | 1.00000i | 0 | 1.20913i | 2.49858 | + | 1.32555i | 0 | 1.32305 | − | 0.499529i | ||||||||||
971.18 | −0.499529 | + | 1.32305i | 0 | −1.50094 | − | 1.32181i | − | 1.00000i | 0 | − | 1.20913i | 2.49858 | − | 1.32555i | 0 | 1.32305 | + | 0.499529i | ||||||||
971.19 | −0.390365 | − | 1.35927i | 0 | −1.69523 | + | 1.06122i | − | 1.00000i | 0 | − | 1.67328i | 2.10425 | + | 1.89001i | 0 | −1.35927 | + | 0.390365i | ||||||||
971.20 | −0.390365 | + | 1.35927i | 0 | −1.69523 | − | 1.06122i | 1.00000i | 0 | 1.67328i | 2.10425 | − | 1.89001i | 0 | −1.35927 | − | 0.390365i | ||||||||||
See all 48 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
4.b | odd | 2 | 1 | inner |
12.b | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 1620.2.e.b | 48 | |
3.b | odd | 2 | 1 | inner | 1620.2.e.b | 48 | |
4.b | odd | 2 | 1 | inner | 1620.2.e.b | 48 | |
9.c | even | 3 | 1 | 180.2.q.a | ✓ | 48 | |
9.c | even | 3 | 1 | 540.2.q.a | 48 | ||
9.d | odd | 6 | 1 | 180.2.q.a | ✓ | 48 | |
9.d | odd | 6 | 1 | 540.2.q.a | 48 | ||
12.b | even | 2 | 1 | inner | 1620.2.e.b | 48 | |
36.f | odd | 6 | 1 | 180.2.q.a | ✓ | 48 | |
36.f | odd | 6 | 1 | 540.2.q.a | 48 | ||
36.h | even | 6 | 1 | 180.2.q.a | ✓ | 48 | |
36.h | even | 6 | 1 | 540.2.q.a | 48 | ||
45.h | odd | 6 | 1 | 900.2.r.f | 48 | ||
45.j | even | 6 | 1 | 900.2.r.f | 48 | ||
45.k | odd | 12 | 1 | 900.2.o.b | 48 | ||
45.k | odd | 12 | 1 | 900.2.o.c | 48 | ||
45.l | even | 12 | 1 | 900.2.o.b | 48 | ||
45.l | even | 12 | 1 | 900.2.o.c | 48 | ||
180.n | even | 6 | 1 | 900.2.r.f | 48 | ||
180.p | odd | 6 | 1 | 900.2.r.f | 48 | ||
180.v | odd | 12 | 1 | 900.2.o.b | 48 | ||
180.v | odd | 12 | 1 | 900.2.o.c | 48 | ||
180.x | even | 12 | 1 | 900.2.o.b | 48 | ||
180.x | even | 12 | 1 | 900.2.o.c | 48 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
180.2.q.a | ✓ | 48 | 9.c | even | 3 | 1 | |
180.2.q.a | ✓ | 48 | 9.d | odd | 6 | 1 | |
180.2.q.a | ✓ | 48 | 36.f | odd | 6 | 1 | |
180.2.q.a | ✓ | 48 | 36.h | even | 6 | 1 | |
540.2.q.a | 48 | 9.c | even | 3 | 1 | ||
540.2.q.a | 48 | 9.d | odd | 6 | 1 | ||
540.2.q.a | 48 | 36.f | odd | 6 | 1 | ||
540.2.q.a | 48 | 36.h | even | 6 | 1 | ||
900.2.o.b | 48 | 45.k | odd | 12 | 1 | ||
900.2.o.b | 48 | 45.l | even | 12 | 1 | ||
900.2.o.b | 48 | 180.v | odd | 12 | 1 | ||
900.2.o.b | 48 | 180.x | even | 12 | 1 | ||
900.2.o.c | 48 | 45.k | odd | 12 | 1 | ||
900.2.o.c | 48 | 45.l | even | 12 | 1 | ||
900.2.o.c | 48 | 180.v | odd | 12 | 1 | ||
900.2.o.c | 48 | 180.x | even | 12 | 1 | ||
900.2.r.f | 48 | 45.h | odd | 6 | 1 | ||
900.2.r.f | 48 | 45.j | even | 6 | 1 | ||
900.2.r.f | 48 | 180.n | even | 6 | 1 | ||
900.2.r.f | 48 | 180.p | odd | 6 | 1 | ||
1620.2.e.b | 48 | 1.a | even | 1 | 1 | trivial | |
1620.2.e.b | 48 | 3.b | odd | 2 | 1 | inner | |
1620.2.e.b | 48 | 4.b | odd | 2 | 1 | inner | |
1620.2.e.b | 48 | 12.b | even | 2 | 1 | inner |