Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [1110,4,Mod(1,1110)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(1110, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0]))
N = Newforms(chi, 4, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("1110.1");
S:= CuspForms(chi, 4);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 1110 = 2 \cdot 3 \cdot 5 \cdot 37 \) |
| Weight: | \( k \) | \(=\) | \( 4 \) |
| Character orbit: | \([\chi]\) | \(=\) | 1110.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: | \(65.4921201064\) |
| Analytic rank: | \(0\) |
| Dimension: | \(5\) |
| Coefficient field: | \(\mathbb{Q}[x]/(x^{5} - \cdots)\) |
|
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
|
|
| Defining polynomial: |
\( x^{5} - x^{4} - 1063x^{3} - 14747x^{2} - 61726x - 80360 \)
|
| Coefficient ring: | \(\Z[a_1, \ldots, a_{13}]\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | yes |
| 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)
Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3,\beta_4\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.
Basis of coefficient ring in terms of a root \(\nu\) of
\( x^{5} - x^{4} - 1063x^{3} - 14747x^{2} - 61726x - 80360 \)
:
| \(\beta_{1}\) | \(=\) |
\( \nu \)
|
| \(\beta_{2}\) | \(=\) |
\( ( 69\nu^{4} - 384\nu^{3} - 71401\nu^{2} - 691196\nu - 1312220 ) / 8876 \)
|
| \(\beta_{3}\) | \(=\) |
\( ( 53\nu^{4} - 102\nu^{3} - 57417\nu^{2} - 709918\nu - 1708112 ) / 8876 \)
|
| \(\beta_{4}\) | \(=\) |
\( ( 267\nu^{4} - 1100\nu^{3} - 279957\nu^{2} - 3069610\nu - 7096432 ) / 8876 \)
|
| \(\nu\) | \(=\) |
\( \beta_1 \)
|
| \(\nu^{2}\) | \(=\) |
\( 6\beta_{4} - 12\beta_{3} - 14\beta_{2} + 25\beta _1 + 418 \)
|
| \(\nu^{3}\) | \(=\) |
\( 80\beta_{4} - 114\beta_{3} - 222\beta_{2} + 1261\beta _1 + 9202 \)
|
| \(\nu^{4}\) | \(=\) |
\( 6654\beta_{4} - 13052\beta_{3} - 15594\beta_{2} + 42905\beta _1 + 502774 \)
|
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 | −3.00000 | 4.00000 | 5.00000 | −6.00000 | −35.0120 | 8.00000 | 9.00000 | 10.0000 | |||||||||||||||||||||||||||||||||
| 1.2 | 2.00000 | −3.00000 | 4.00000 | 5.00000 | −6.00000 | 6.81149 | 8.00000 | 9.00000 | 10.0000 | ||||||||||||||||||||||||||||||||||
| 1.3 | 2.00000 | −3.00000 | 4.00000 | 5.00000 | −6.00000 | 7.47895 | 8.00000 | 9.00000 | 10.0000 | ||||||||||||||||||||||||||||||||||
| 1.4 | 2.00000 | −3.00000 | 4.00000 | 5.00000 | −6.00000 | 13.4604 | 8.00000 | 9.00000 | 10.0000 | ||||||||||||||||||||||||||||||||||
| 1.5 | 2.00000 | −3.00000 | 4.00000 | 5.00000 | −6.00000 | 26.2611 | 8.00000 | 9.00000 | 10.0000 | ||||||||||||||||||||||||||||||||||
Atkin-Lehner signs
| \( p \) | Sign |
|---|---|
| \(2\) | \(-1\) |
| \(3\) | \(1\) |
| \(5\) | \(-1\) |
| \(37\) | \(1\) |
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 | 1110.4.a.p | ✓ | 5 |
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 1110.4.a.p | ✓ | 5 | 1.a | even | 1 | 1 | trivial |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator
\( T_{7}^{5} - 19T_{7}^{4} - 919T_{7}^{3} + 26959T_{7}^{2} - 229702T_{7} + 630480 \)
acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(1110))\).
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( (T - 2)^{5} \)
|
| $3$ |
\( (T + 3)^{5} \)
|
| $5$ |
\( (T - 5)^{5} \)
|
| $7$ |
\( T^{5} - 19 T^{4} + \cdots + 630480 \)
|
| $11$ |
\( T^{5} - 72 T^{4} + \cdots - 142501552 \)
|
| $13$ |
\( T^{5} - 74 T^{4} + \cdots - 12864758 \)
|
| $17$ |
\( T^{5} - 52 T^{4} + \cdots - 87755716 \)
|
| $19$ |
\( T^{5} - 128 T^{4} + \cdots - 104159708 \)
|
| $23$ |
\( T^{5} - 115 T^{4} + \cdots + 1525056 \)
|
| $29$ |
\( T^{5} + \cdots - 2240435964 \)
|
| $31$ |
\( T^{5} + \cdots + 114279662000 \)
|
| $37$ |
\( (T + 37)^{5} \)
|
| $41$ |
\( T^{5} + \cdots + 148238772480 \)
|
| $43$ |
\( T^{5} + \cdots - 22267957520 \)
|
| $47$ |
\( T^{5} + \cdots - 375382198784 \)
|
| $53$ |
\( T^{5} + \cdots + 13655347168 \)
|
| $59$ |
\( T^{5} + \cdots - 36726035852000 \)
|
| $61$ |
\( T^{5} + \cdots - 12154033493152 \)
|
| $67$ |
\( T^{5} + \cdots - 278247846165056 \)
|
| $71$ |
\( T^{5} + \cdots + 412803480000 \)
|
| $73$ |
\( T^{5} + \cdots - 28736627849356 \)
|
| $79$ |
\( T^{5} + \cdots + 10908894118912 \)
|
| $83$ |
\( T^{5} + \cdots - 47723784214212 \)
|
| $89$ |
\( T^{5} + \cdots + 26360790085190 \)
|
| $97$ |
\( T^{5} + \cdots - 555399128546400 \)
|
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