Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [3360,2,Mod(1231,3360)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(3360, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([1, 1, 0, 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("3360.1231");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 3360 = 2^{5} \cdot 3 \cdot 5 \cdot 7 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 3360.z (of order \(2\), degree \(1\), 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: | \(26.8297350792\) |
Analytic rank: | \(0\) |
Dimension: | \(28\) |
Twist minimal: | no (minimal twist has level 840) |
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1231.1 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | −2.61024 | − | 0.432017i | 0 | −1.00000 | 0 | |||||||||||||||
1231.2 | 0 | 1.00000i | 0 | 1.00000 | 0 | −2.61024 | + | 0.432017i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.3 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | 2.64060 | − | 0.165018i | 0 | −1.00000 | 0 | |||||||||||||||
1231.4 | 0 | 1.00000i | 0 | 1.00000 | 0 | 2.64060 | + | 0.165018i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.5 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | −0.658347 | − | 2.56253i | 0 | −1.00000 | 0 | |||||||||||||||
1231.6 | 0 | 1.00000i | 0 | 1.00000 | 0 | −0.658347 | + | 2.56253i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.7 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | −1.57556 | + | 2.12547i | 0 | −1.00000 | 0 | |||||||||||||||
1231.8 | 0 | 1.00000i | 0 | 1.00000 | 0 | −1.57556 | − | 2.12547i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.9 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | −2.48628 | − | 0.904667i | 0 | −1.00000 | 0 | |||||||||||||||
1231.10 | 0 | 1.00000i | 0 | 1.00000 | 0 | −2.48628 | + | 0.904667i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.11 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | −2.37591 | − | 1.16407i | 0 | −1.00000 | 0 | |||||||||||||||
1231.12 | 0 | 1.00000i | 0 | 1.00000 | 0 | −2.37591 | + | 1.16407i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.13 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | −1.92209 | + | 1.81812i | 0 | −1.00000 | 0 | |||||||||||||||
1231.14 | 0 | 1.00000i | 0 | 1.00000 | 0 | −1.92209 | − | 1.81812i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.15 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | 1.33527 | − | 2.28409i | 0 | −1.00000 | 0 | |||||||||||||||
1231.16 | 0 | 1.00000i | 0 | 1.00000 | 0 | 1.33527 | + | 2.28409i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.17 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | 1.64136 | + | 2.07507i | 0 | −1.00000 | 0 | |||||||||||||||
1231.18 | 0 | 1.00000i | 0 | 1.00000 | 0 | 1.64136 | − | 2.07507i | 0 | −1.00000 | 0 | ||||||||||||||||
1231.19 | 0 | − | 1.00000i | 0 | 1.00000 | 0 | 0.864047 | + | 2.50068i | 0 | −1.00000 | 0 | |||||||||||||||
1231.20 | 0 | 1.00000i | 0 | 1.00000 | 0 | 0.864047 | − | 2.50068i | 0 | −1.00000 | 0 | ||||||||||||||||
See all 28 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
56.e | even | 2 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 3360.2.z.d | 28 | |
4.b | odd | 2 | 1 | 840.2.z.d | yes | 28 | |
7.b | odd | 2 | 1 | 3360.2.z.c | 28 | ||
8.b | even | 2 | 1 | 840.2.z.c | ✓ | 28 | |
8.d | odd | 2 | 1 | 3360.2.z.c | 28 | ||
28.d | even | 2 | 1 | 840.2.z.c | ✓ | 28 | |
56.e | even | 2 | 1 | inner | 3360.2.z.d | 28 | |
56.h | odd | 2 | 1 | 840.2.z.d | yes | 28 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
840.2.z.c | ✓ | 28 | 8.b | even | 2 | 1 | |
840.2.z.c | ✓ | 28 | 28.d | even | 2 | 1 | |
840.2.z.d | yes | 28 | 4.b | odd | 2 | 1 | |
840.2.z.d | yes | 28 | 56.h | odd | 2 | 1 | |
3360.2.z.c | 28 | 7.b | odd | 2 | 1 | ||
3360.2.z.c | 28 | 8.d | odd | 2 | 1 | ||
3360.2.z.d | 28 | 1.a | even | 1 | 1 | trivial | |
3360.2.z.d | 28 | 56.e | even | 2 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3360, [\chi])\):
\( T_{11}^{14} - 84 T_{11}^{12} + 40 T_{11}^{11} + 2516 T_{11}^{10} - 2512 T_{11}^{9} - 33200 T_{11}^{8} + \cdots + 16384 \) |
\( T_{13}^{14} + 4 T_{13}^{13} - 68 T_{13}^{12} - 176 T_{13}^{11} + 1812 T_{13}^{10} + 2160 T_{13}^{9} + \cdots - 32768 \) |