Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [800,2,Mod(209,800)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(800, base_ring=CyclotomicField(10))
chi = DirichletCharacter(H, H._module([0, 5, 7]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("800.209");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 800 = 2^{5} \cdot 5^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 800.be (of order \(10\), degree \(4\), not 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: | \(6.38803216170\) |
Analytic rank: | \(0\) |
Dimension: | \(112\) |
Relative dimension: | \(28\) over \(\Q(\zeta_{10})\) |
Twist minimal: | no (minimal twist has level 200) |
Sato-Tate group: | $\mathrm{SU}(2)[C_{10}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
209.1 | 0 | −0.970606 | − | 2.98722i | 0 | 0.762120 | − | 2.10218i | 0 | 1.71800i | 0 | −5.55435 | + | 4.03547i | 0 | ||||||||||||
209.2 | 0 | −0.943803 | − | 2.90473i | 0 | 1.19199 | + | 1.89187i | 0 | 2.27753i | 0 | −5.11962 | + | 3.71962i | 0 | ||||||||||||
209.3 | 0 | −0.880259 | − | 2.70916i | 0 | −2.09944 | + | 0.769644i | 0 | − | 4.00784i | 0 | −4.13763 | + | 3.00616i | 0 | |||||||||||
209.4 | 0 | −0.853735 | − | 2.62753i | 0 | 2.18267 | − | 0.485731i | 0 | − | 2.67391i | 0 | −3.74798 | + | 2.72307i | 0 | |||||||||||
209.5 | 0 | −0.732250 | − | 2.25363i | 0 | −2.17427 | + | 0.522052i | 0 | 3.97385i | 0 | −2.11562 | + | 1.53709i | 0 | ||||||||||||
209.6 | 0 | −0.639712 | − | 1.96883i | 0 | −2.01712 | − | 0.964996i | 0 | − | 2.05891i | 0 | −1.04001 | + | 0.755610i | 0 | |||||||||||
209.7 | 0 | −0.615546 | − | 1.89446i | 0 | 0.987308 | + | 2.00630i | 0 | 1.38088i | 0 | −0.783019 | + | 0.568896i | 0 | ||||||||||||
209.8 | 0 | −0.455515 | − | 1.40193i | 0 | −0.0782993 | − | 2.23470i | 0 | 2.41973i | 0 | 0.669132 | − | 0.486153i | 0 | ||||||||||||
209.9 | 0 | −0.423859 | − | 1.30450i | 0 | −1.11400 | + | 1.93881i | 0 | − | 0.927462i | 0 | 0.904979 | − | 0.657506i | 0 | |||||||||||
209.10 | 0 | −0.327557 | − | 1.00812i | 0 | 1.12940 | − | 1.92988i | 0 | − | 3.62100i | 0 | 1.51804 | − | 1.10292i | 0 | |||||||||||
209.11 | 0 | −0.305611 | − | 0.940574i | 0 | −1.04427 | − | 1.97724i | 0 | 3.68114i | 0 | 1.63577 | − | 1.18846i | 0 | ||||||||||||
209.12 | 0 | −0.209612 | − | 0.645120i | 0 | 2.16529 | + | 0.558124i | 0 | 0.544271i | 0 | 2.05481 | − | 1.49291i | 0 | ||||||||||||
209.13 | 0 | −0.112530 | − | 0.346333i | 0 | −1.22900 | − | 1.86803i | 0 | − | 4.30063i | 0 | 2.31977 | − | 1.68541i | 0 | |||||||||||
209.14 | 0 | −0.0756938 | − | 0.232961i | 0 | 2.03665 | − | 0.923061i | 0 | 1.59435i | 0 | 2.37851 | − | 1.72809i | 0 | ||||||||||||
209.15 | 0 | 0.0756938 | + | 0.232961i | 0 | −2.03665 | + | 0.923061i | 0 | 1.59435i | 0 | 2.37851 | − | 1.72809i | 0 | ||||||||||||
209.16 | 0 | 0.112530 | + | 0.346333i | 0 | 1.22900 | + | 1.86803i | 0 | − | 4.30063i | 0 | 2.31977 | − | 1.68541i | 0 | |||||||||||
209.17 | 0 | 0.209612 | + | 0.645120i | 0 | −2.16529 | − | 0.558124i | 0 | 0.544271i | 0 | 2.05481 | − | 1.49291i | 0 | ||||||||||||
209.18 | 0 | 0.305611 | + | 0.940574i | 0 | 1.04427 | + | 1.97724i | 0 | 3.68114i | 0 | 1.63577 | − | 1.18846i | 0 | ||||||||||||
209.19 | 0 | 0.327557 | + | 1.00812i | 0 | −1.12940 | + | 1.92988i | 0 | − | 3.62100i | 0 | 1.51804 | − | 1.10292i | 0 | |||||||||||
209.20 | 0 | 0.423859 | + | 1.30450i | 0 | 1.11400 | − | 1.93881i | 0 | − | 0.927462i | 0 | 0.904979 | − | 0.657506i | 0 | |||||||||||
See next 80 embeddings (of 112 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
8.b | even | 2 | 1 | inner |
25.e | even | 10 | 1 | inner |
200.o | even | 10 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 800.2.be.a | 112 | |
4.b | odd | 2 | 1 | 200.2.o.a | ✓ | 112 | |
8.b | even | 2 | 1 | inner | 800.2.be.a | 112 | |
8.d | odd | 2 | 1 | 200.2.o.a | ✓ | 112 | |
20.d | odd | 2 | 1 | 1000.2.o.a | 112 | ||
20.e | even | 4 | 2 | 1000.2.t.b | 224 | ||
25.e | even | 10 | 1 | inner | 800.2.be.a | 112 | |
40.e | odd | 2 | 1 | 1000.2.o.a | 112 | ||
40.k | even | 4 | 2 | 1000.2.t.b | 224 | ||
100.h | odd | 10 | 1 | 200.2.o.a | ✓ | 112 | |
100.j | odd | 10 | 1 | 1000.2.o.a | 112 | ||
100.l | even | 20 | 2 | 1000.2.t.b | 224 | ||
200.n | odd | 10 | 1 | 1000.2.o.a | 112 | ||
200.o | even | 10 | 1 | inner | 800.2.be.a | 112 | |
200.s | odd | 10 | 1 | 200.2.o.a | ✓ | 112 | |
200.v | even | 20 | 2 | 1000.2.t.b | 224 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
200.2.o.a | ✓ | 112 | 4.b | odd | 2 | 1 | |
200.2.o.a | ✓ | 112 | 8.d | odd | 2 | 1 | |
200.2.o.a | ✓ | 112 | 100.h | odd | 10 | 1 | |
200.2.o.a | ✓ | 112 | 200.s | odd | 10 | 1 | |
800.2.be.a | 112 | 1.a | even | 1 | 1 | trivial | |
800.2.be.a | 112 | 8.b | even | 2 | 1 | inner | |
800.2.be.a | 112 | 25.e | even | 10 | 1 | inner | |
800.2.be.a | 112 | 200.o | even | 10 | 1 | inner | |
1000.2.o.a | 112 | 20.d | odd | 2 | 1 | ||
1000.2.o.a | 112 | 40.e | odd | 2 | 1 | ||
1000.2.o.a | 112 | 100.j | odd | 10 | 1 | ||
1000.2.o.a | 112 | 200.n | odd | 10 | 1 | ||
1000.2.t.b | 224 | 20.e | even | 4 | 2 | ||
1000.2.t.b | 224 | 40.k | even | 4 | 2 | ||
1000.2.t.b | 224 | 100.l | even | 20 | 2 | ||
1000.2.t.b | 224 | 200.v | even | 20 | 2 |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(800, [\chi])\).