Properties

Label 3.38.a.b
Level $3$
Weight $38$
Character orbit 3.a
Self dual yes
Analytic conductor $26.014$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3,38,Mod(1,3)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3, 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("3.1");
 
S:= CuspForms(chi, 38);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3 \)
Weight: \( k \) \(=\) \( 38 \)
Character orbit: \([\chi]\) \(=\) 3.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: \(26.0142114374\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\mathbb{Q}[x]/(x^{4} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} - 11777633936x^{2} - 35120319927360x + 11967042111800832000 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{15}\cdot 3^{10}\cdot 5\cdot 7 \)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_1 + 109391) q^{2} + 387420489 q^{3} + (\beta_{3} - 191939 \beta_1 + 86524834843) q^{4} + ( - 28 \beta_{3} + \cdots - 1024957187485) q^{5}+ \cdots + 15\!\cdots\!21 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_1 + 109391) q^{2} + 387420489 q^{3} + (\beta_{3} - 191939 \beta_1 + 86524834843) q^{4} + ( - 28 \beta_{3} + \cdots - 1024957187485) q^{5}+ \cdots + ( - 40\!\cdots\!48 \beta_{3} + \cdots + 78\!\cdots\!74) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 437562 q^{2} + 1549681956 q^{3} + 346098955492 q^{4} - 4099829756904 q^{5} + 169520484007818 q^{6} + 66\!\cdots\!84 q^{7}+ \cdots + 60\!\cdots\!84 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 437562 q^{2} + 1549681956 q^{3} + 346098955492 q^{4} - 4099829756904 q^{5} + 169520484007818 q^{6} + 66\!\cdots\!84 q^{7}+ \cdots + 31\!\cdots\!96 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} - 11777633936x^{2} - 35120319927360x + 11967042111800832000 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 6\nu - 1 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 27\nu^{3} - 128691\nu^{2} - 262552030440\nu + 46478406852080 ) / 680 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 36\nu^{2} - 161070\nu - 211997370590 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta _1 + 1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + 26845\beta _1 + 211997397435 ) / 36 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 14299\beta_{3} + 2720\beta_{2} + 175418543615\beta _1 + 2845612193201705 ) / 108 \) 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
105009.
31743.2
−35434.6
−101317.
−520663. 3.87420e8 1.33651e11 −2.63441e12 −2.01716e14 8.34393e15 1.97212e15 1.50095e17 1.37164e18
1.2 −81067.1 3.87420e8 −1.30867e11 −7.16603e12 −3.14071e13 −5.96869e15 2.17508e16 1.50095e17 5.80929e17
1.3 322000. 3.87420e8 −3.37552e10 1.53382e13 1.24749e14 2.48687e15 −5.51245e16 1.50095e17 4.93889e18
1.4 717293. 3.87420e8 3.77070e11 −9.63758e12 2.77894e14 1.74370e15 1.71886e17 1.50095e17 −6.91297e18
\(n\): 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 3.38.a.b 4
3.b odd 2 1 9.38.a.c 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3.38.a.b 4 1.a even 1 1 trivial
9.38.a.c 4 3.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - 437562T_{2}^{3} - 352197132768T_{2}^{2} + 95113282115764224T_{2} + 9748851418544266543104 \) acting on \(S_{38}^{\mathrm{new}}(\Gamma_0(3))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} + \cdots + 97\!\cdots\!04 \) Copy content Toggle raw display
$3$ \( (T - 387420489)^{4} \) Copy content Toggle raw display
$5$ \( T^{4} + \cdots - 27\!\cdots\!00 \) Copy content Toggle raw display
$7$ \( T^{4} + \cdots - 21\!\cdots\!00 \) Copy content Toggle raw display
$11$ \( T^{4} + \cdots + 11\!\cdots\!24 \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots + 26\!\cdots\!64 \) Copy content Toggle raw display
$17$ \( T^{4} + \cdots - 35\!\cdots\!24 \) Copy content Toggle raw display
$19$ \( T^{4} + \cdots + 17\!\cdots\!00 \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots + 90\!\cdots\!00 \) Copy content Toggle raw display
$29$ \( T^{4} + \cdots - 12\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( T^{4} + \cdots - 16\!\cdots\!00 \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 29\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( T^{4} + \cdots - 16\!\cdots\!00 \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots - 24\!\cdots\!84 \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 28\!\cdots\!96 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 10\!\cdots\!00 \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots - 48\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots - 27\!\cdots\!44 \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots - 40\!\cdots\!64 \) Copy content Toggle raw display
$71$ \( T^{4} + \cdots - 97\!\cdots\!44 \) Copy content Toggle raw display
$73$ \( T^{4} + \cdots + 19\!\cdots\!00 \) Copy content Toggle raw display
$79$ \( T^{4} + \cdots - 15\!\cdots\!00 \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 43\!\cdots\!44 \) Copy content Toggle raw display
$89$ \( T^{4} + \cdots + 64\!\cdots\!00 \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 31\!\cdots\!36 \) Copy content Toggle raw display
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