Properties

Label 9.38.a.b
Level $9$
Weight $38$
Character orbit 9.a
Self dual yes
Analytic conductor $78.043$
Analytic rank $0$
Dimension $3$
CM no
Inner twists $1$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [9,38,Mod(1,9)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(9, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0]))
 
N = Newforms(chi, 38, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("9.1");
 
S:= CuspForms(chi, 38);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 9 = 3^{2} \)
Weight: \( k \) \(=\) \( 38 \)
Character orbit: \([\chi]\) \(=\) 9.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: \(78.0426343121\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: \(\mathbb{Q}[x]/(x^{3} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 2495042360x + 9241471873200 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{9}\cdot 3^{5}\cdot 5 \)
Twist minimal: no (minimal twist has level 3)
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 \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_1 + 103636) q^{2} + (2 \beta_{2} + 140608 \beta_1 + 112825533616) q^{4} + (39 \beta_{2} + 13500494 \beta_1 + 3209572628930) q^{5} + ( - 35413 \beta_{2} + \cdots - 15\!\cdots\!48) q^{7}+ \cdots + (621816 \beta_{2} + \cdots + 31\!\cdots\!96) q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_1 + 103636) q^{2} + (2 \beta_{2} + 140608 \beta_1 + 112825533616) q^{4} + (39 \beta_{2} + 13500494 \beta_1 + 3209572628930) q^{5} + ( - 35413 \beta_{2} + \cdots - 15\!\cdots\!48) q^{7}+ \cdots + (17\!\cdots\!44 \beta_{2} + \cdots + 55\!\cdots\!00) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 310908 q^{2} + 338476600848 q^{4} + 9628717886790 q^{5} - 46\!\cdots\!44 q^{7}+ \cdots + 93\!\cdots\!88 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 3 q + 310908 q^{2} + 338476600848 q^{4} + 9628717886790 q^{5} - 46\!\cdots\!44 q^{7}+ \cdots + 16\!\cdots\!00 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 2495042360x + 9241471873200 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 12\nu - 4 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 72\nu^{2} + 399936\nu - 119762166616 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta _1 + 4 ) / 12 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{2} - 33328\beta _1 + 119762033304 ) / 72 \) Copy content Toggle raw display

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
−51708.0
3724.64
47984.3
−516864. 0 1.29709e11 −3.13693e12 0 −3.10972e15 3.99525e15 0 1.62136e18
1.2 148328. 0 −1.15438e11 −7.60742e11 0 2.59260e15 −3.75086e16 0 −1.12839e17
1.3 679444. 0 3.24205e11 1.35264e13 0 −4.10476e15 1.26897e17 0 9.19042e18
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)

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 9.38.a.b 3
3.b odd 2 1 3.38.a.a 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3.38.a.a 3 3.b odd 2 1
9.38.a.b 3 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{3} - 310908T_{2}^{2} - 327064838400T_{2} + 52089706281959424 \) acting on \(S_{38}^{\mathrm{new}}(\Gamma_0(9))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} + \cdots + 52\!\cdots\!24 \) Copy content Toggle raw display
$3$ \( T^{3} \) Copy content Toggle raw display
$5$ \( T^{3} + \cdots - 32\!\cdots\!00 \) Copy content Toggle raw display
$7$ \( T^{3} + \cdots - 33\!\cdots\!80 \) Copy content Toggle raw display
$11$ \( T^{3} + \cdots + 31\!\cdots\!04 \) Copy content Toggle raw display
$13$ \( T^{3} + \cdots + 15\!\cdots\!08 \) Copy content Toggle raw display
$17$ \( T^{3} + \cdots + 72\!\cdots\!92 \) Copy content Toggle raw display
$19$ \( T^{3} + \cdots + 83\!\cdots\!00 \) Copy content Toggle raw display
$23$ \( T^{3} + \cdots + 88\!\cdots\!20 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots - 24\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots + 58\!\cdots\!00 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots + 13\!\cdots\!60 \) Copy content Toggle raw display
$41$ \( T^{3} + \cdots + 28\!\cdots\!80 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots + 10\!\cdots\!44 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots + 13\!\cdots\!08 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots - 46\!\cdots\!20 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots + 61\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots - 25\!\cdots\!12 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots + 88\!\cdots\!08 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots + 49\!\cdots\!08 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots + 45\!\cdots\!00 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots + 12\!\cdots\!00 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots + 58\!\cdots\!48 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots + 50\!\cdots\!00 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots + 41\!\cdots\!28 \) Copy content Toggle raw display
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