Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [605,6,Mod(1,605)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(605, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0]))
N = Newforms(chi, 6, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("605.1");
S:= CuspForms(chi, 6);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 605 = 5 \cdot 11^{2} \) |
| Weight: | \( k \) | \(=\) | \( 6 \) |
| Character orbit: | \([\chi]\) | \(=\) | 605.a (trivial) |
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: | yes |
| Analytic conductor: | \(97.0322109869\) |
| Analytic rank: | \(1\) |
| Dimension: | \(1\) |
| Coefficient field: | \(\mathbb{Q}\) |
| Coefficient ring: | \(\mathbb{Z}\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | no (minimal twist has level 5) |
| Fricke sign: | \(+1\) |
| Sato-Tate group: | $\mathrm{SU}(2)$ |
$q$-expansion
comment: q-expansion
sage: f.q_expansion() # note that sage often uses an isomorphic number field
gp: mfcoefs(f, 20)
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 | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.1 |
|
−2.00000 | −4.00000 | −28.0000 | 25.0000 | 8.00000 | −192.000 | 120.000 | −227.000 | −50.0000 | |||||||||||||||||||||
Atkin-Lehner signs
| \( p \) | Sign |
|---|---|
| \(5\) | \( -1 \) |
| \(11\) | \( -1 \) |
Inner twists
This newform does not admit any (nontrivial) inner twists.
Twists
| By twisting character orbit | |||||||
|---|---|---|---|---|---|---|---|
| Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
| 1.a | even | 1 | 1 | trivial | 605.6.a.a | 1 | |
| 11.b | odd | 2 | 1 | 5.6.a.a | ✓ | 1 | |
| 33.d | even | 2 | 1 | 45.6.a.b | 1 | ||
| 44.c | even | 2 | 1 | 80.6.a.e | 1 | ||
| 55.d | odd | 2 | 1 | 25.6.a.a | 1 | ||
| 55.e | even | 4 | 2 | 25.6.b.a | 2 | ||
| 77.b | even | 2 | 1 | 245.6.a.b | 1 | ||
| 88.b | odd | 2 | 1 | 320.6.a.j | 1 | ||
| 88.g | even | 2 | 1 | 320.6.a.g | 1 | ||
| 132.d | odd | 2 | 1 | 720.6.a.a | 1 | ||
| 143.d | odd | 2 | 1 | 845.6.a.b | 1 | ||
| 165.d | even | 2 | 1 | 225.6.a.f | 1 | ||
| 165.l | odd | 4 | 2 | 225.6.b.e | 2 | ||
| 220.g | even | 2 | 1 | 400.6.a.g | 1 | ||
| 220.i | odd | 4 | 2 | 400.6.c.j | 2 | ||
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 5.6.a.a | ✓ | 1 | 11.b | odd | 2 | 1 | |
| 25.6.a.a | 1 | 55.d | odd | 2 | 1 | ||
| 25.6.b.a | 2 | 55.e | even | 4 | 2 | ||
| 45.6.a.b | 1 | 33.d | even | 2 | 1 | ||
| 80.6.a.e | 1 | 44.c | even | 2 | 1 | ||
| 225.6.a.f | 1 | 165.d | even | 2 | 1 | ||
| 225.6.b.e | 2 | 165.l | odd | 4 | 2 | ||
| 245.6.a.b | 1 | 77.b | even | 2 | 1 | ||
| 320.6.a.g | 1 | 88.g | even | 2 | 1 | ||
| 320.6.a.j | 1 | 88.b | odd | 2 | 1 | ||
| 400.6.a.g | 1 | 220.g | even | 2 | 1 | ||
| 400.6.c.j | 2 | 220.i | odd | 4 | 2 | ||
| 605.6.a.a | 1 | 1.a | even | 1 | 1 | trivial | |
| 720.6.a.a | 1 | 132.d | odd | 2 | 1 | ||
| 845.6.a.b | 1 | 143.d | odd | 2 | 1 | ||
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator
\( T_{2} + 2 \)
acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(605))\).
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( T + 2 \)
|
| $3$ |
\( T + 4 \)
|
| $5$ |
\( T - 25 \)
|
| $7$ |
\( T + 192 \)
|
| $11$ |
\( T \)
|
| $13$ |
\( T + 286 \)
|
| $17$ |
\( T - 1678 \)
|
| $19$ |
\( T + 1060 \)
|
| $23$ |
\( T - 2976 \)
|
| $29$ |
\( T - 3410 \)
|
| $31$ |
\( T + 2448 \)
|
| $37$ |
\( T - 182 \)
|
| $41$ |
\( T - 9398 \)
|
| $43$ |
\( T - 1244 \)
|
| $47$ |
\( T + 12088 \)
|
| $53$ |
\( T - 23846 \)
|
| $59$ |
\( T + 20020 \)
|
| $61$ |
\( T + 32302 \)
|
| $67$ |
\( T - 60972 \)
|
| $71$ |
\( T + 32648 \)
|
| $73$ |
\( T - 38774 \)
|
| $79$ |
\( T - 33360 \)
|
| $83$ |
\( T + 16716 \)
|
| $89$ |
\( T - 101370 \)
|
| $97$ |
\( T + 119038 \)
|
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