Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [213,4,Mod(212,213)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(213, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 1]))
N = Newforms(chi, 4, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("213.212");
S:= CuspForms(chi, 4);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 213 = 3 \cdot 71 \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 213.b (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: | \(12.5674068312\) |
Analytic rank: | \(0\) |
Dimension: | \(56\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
212.1 | − | 5.10881i | −2.19239 | + | 4.71099i | −18.1000 | − | 5.28572i | 24.0676 | + | 11.2005i | − | 30.7054i | 51.5988i | −17.3868 | − | 20.6567i | −27.0038 | |||||||||
212.2 | − | 5.10881i | −2.19239 | + | 4.71099i | −18.1000 | − | 5.28572i | 24.0676 | + | 11.2005i | 30.7054i | 51.5988i | −17.3868 | − | 20.6567i | −27.0038 | ||||||||||
212.3 | − | 4.95987i | 3.80703 | + | 3.53645i | −16.6003 | − | 0.347034i | 17.5403 | − | 18.8824i | − | 11.5438i | 42.6564i | 1.98701 | + | 26.9268i | −1.72125 | |||||||||
212.4 | − | 4.95987i | 3.80703 | + | 3.53645i | −16.6003 | − | 0.347034i | 17.5403 | − | 18.8824i | 11.5438i | 42.6564i | 1.98701 | + | 26.9268i | −1.72125 | ||||||||||
212.5 | − | 4.55662i | −3.00775 | − | 4.23715i | −12.7628 | − | 10.7547i | −19.3071 | + | 13.7052i | − | 26.6452i | 21.7020i | −8.90689 | + | 25.4886i | −49.0049 | |||||||||
212.6 | − | 4.55662i | −3.00775 | − | 4.23715i | −12.7628 | − | 10.7547i | −19.3071 | + | 13.7052i | 26.6452i | 21.7020i | −8.90689 | + | 25.4886i | −49.0049 | ||||||||||
212.7 | − | 4.52632i | 5.13706 | − | 0.781391i | −12.4876 | 15.3155i | −3.53682 | − | 23.2520i | − | 24.2862i | 20.3121i | 25.7789 | − | 8.02811i | 69.3228 | ||||||||||
212.8 | − | 4.52632i | 5.13706 | − | 0.781391i | −12.4876 | 15.3155i | −3.53682 | − | 23.2520i | 24.2862i | 20.3121i | 25.7789 | − | 8.02811i | 69.3228 | |||||||||||
212.9 | − | 3.80560i | 3.08429 | − | 4.18177i | −6.48261 | − | 3.26232i | −15.9141 | − | 11.7376i | − | 14.5354i | − | 5.77459i | −7.97433 | − | 25.7955i | −12.4151 | ||||||||
212.10 | − | 3.80560i | 3.08429 | − | 4.18177i | −6.48261 | − | 3.26232i | −15.9141 | − | 11.7376i | 14.5354i | − | 5.77459i | −7.97433 | − | 25.7955i | −12.4151 | |||||||||
212.11 | − | 3.52239i | −4.94156 | + | 1.60654i | −4.40724 | − | 13.0782i | 5.65886 | + | 17.4061i | − | 16.1366i | − | 12.6551i | 21.8381 | − | 15.8776i | −46.0667 | ||||||||
212.12 | − | 3.52239i | −4.94156 | + | 1.60654i | −4.40724 | − | 13.0782i | 5.65886 | + | 17.4061i | 16.1366i | − | 12.6551i | 21.8381 | − | 15.8776i | −46.0667 | |||||||||
212.13 | − | 3.27753i | −1.07166 | − | 5.08444i | −2.74220 | 16.9661i | −16.6644 | + | 3.51240i | − | 26.0954i | − | 17.2326i | −24.7031 | + | 10.8976i | 55.6069 | |||||||||
212.14 | − | 3.27753i | −1.07166 | − | 5.08444i | −2.74220 | 16.9661i | −16.6644 | + | 3.51240i | 26.0954i | − | 17.2326i | −24.7031 | + | 10.8976i | 55.6069 | ||||||||||
212.15 | − | 3.12894i | 1.61109 | + | 4.94008i | −1.79026 | 8.04412i | 15.4572 | − | 5.04101i | − | 22.3665i | − | 19.4299i | −21.8088 | + | 15.9179i | 25.1696 | |||||||||
212.16 | − | 3.12894i | 1.61109 | + | 4.94008i | −1.79026 | 8.04412i | 15.4572 | − | 5.04101i | 22.3665i | − | 19.4299i | −21.8088 | + | 15.9179i | 25.1696 | ||||||||||
212.17 | − | 2.41054i | 5.16962 | + | 0.524392i | 2.18931 | − | 6.99655i | 1.26407 | − | 12.4616i | − | 24.3771i | − | 24.5617i | 26.4500 | + | 5.42181i | −16.8654 | ||||||||
212.18 | − | 2.41054i | 5.16962 | + | 0.524392i | 2.18931 | − | 6.99655i | 1.26407 | − | 12.4616i | 24.3771i | − | 24.5617i | 26.4500 | + | 5.42181i | −16.8654 | |||||||||
212.19 | − | 2.13157i | −4.65571 | − | 2.30746i | 3.45643 | 5.01171i | −4.91851 | + | 9.92394i | − | 5.72485i | − | 24.4201i | 16.3512 | + | 21.4858i | 10.6828 | |||||||||
212.20 | − | 2.13157i | −4.65571 | − | 2.30746i | 3.45643 | 5.01171i | −4.91851 | + | 9.92394i | 5.72485i | − | 24.4201i | 16.3512 | + | 21.4858i | 10.6828 | ||||||||||
See all 56 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
71.b | odd | 2 | 1 | inner |
213.b | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 213.4.b.b | ✓ | 56 |
3.b | odd | 2 | 1 | inner | 213.4.b.b | ✓ | 56 |
71.b | odd | 2 | 1 | inner | 213.4.b.b | ✓ | 56 |
213.b | even | 2 | 1 | inner | 213.4.b.b | ✓ | 56 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
213.4.b.b | ✓ | 56 | 1.a | even | 1 | 1 | trivial |
213.4.b.b | ✓ | 56 | 3.b | odd | 2 | 1 | inner |
213.4.b.b | ✓ | 56 | 71.b | odd | 2 | 1 | inner |
213.4.b.b | ✓ | 56 | 213.b | even | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{28} + 153 T_{2}^{26} + 10318 T_{2}^{24} + 404011 T_{2}^{22} + 10184478 T_{2}^{20} + \cdots + 118816768 \) acting on \(S_{4}^{\mathrm{new}}(213, [\chi])\).