Properties

Label 3.42.a.b
Level $3$
Weight $42$
Character orbit 3.a
Self dual yes
Analytic conductor $31.942$
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] = [3,42,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, 42, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3.1");
 
S:= CuspForms(chi, 42);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3 \)
Weight: \( k \) \(=\) \( 42 \)
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: \(31.9415011369\)
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: \( x^{4} - x^{3} - 196497525461x^{2} + 10360343667016365x + 6095744045744274504000 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{13}\cdot 3^{10}\cdot 5^{2} \)
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.

\(f(q)\) \(=\) \( q + ( - \beta_1 - 17455) q^{2} + 3486784401 q^{3} + (\beta_{2} - 439610 \beta_1 + 1338237117038) q^{4} + ( - 7 \beta_{3} + \cdots + 29634266666058) q^{5}+ \cdots + 12\!\cdots\!01 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_1 - 17455) q^{2} + 3486784401 q^{3} + (\beta_{2} - 439610 \beta_1 + 1338237117038) q^{4} + ( - 7 \beta_{3} + \cdots + 29634266666058) q^{5}+ \cdots + ( - 65\!\cdots\!06 \beta_{3} + \cdots + 22\!\cdots\!76) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 69822 q^{2} + 13947137604 q^{3} + 5352947588932 q^{4} + 118536963776280 q^{5} - 243454260446622 q^{6} + 15\!\cdots\!36 q^{7}+ \cdots + 48\!\cdots\!04 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 69822 q^{2} + 13947137604 q^{3} + 5352947588932 q^{4} + 118536963776280 q^{5} - 243454260446622 q^{6} + 15\!\cdots\!36 q^{7}+ \cdots + 88\!\cdots\!56 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} - 196497525461x^{2} + 10360343667016365x + 6095744045744274504000 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 6\nu - 1 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 36\nu^{2} + 2847108\nu - 3536956170084 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 27\nu^{3} + 6696918\nu^{2} - 3100608741285\nu - 448170152274909880 ) / 5656 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta _1 + 1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{2} - 474518\beta _1 + 3536955695566 ) / 36 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 11312\beta_{3} - 372051\beta_{2} + 1210081143513\beta _1 - 419586565404959011 ) / 54 \) 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
330995.
263663.
−161109.
−433547.
−2.00342e6 3.48678e9 1.81468e12 −3.43221e14 −6.98551e15 −2.11939e17 7.69998e17 1.21577e19 6.87617e20
1.2 −1.59943e6 3.48678e9 3.59152e11 3.20915e14 −5.57687e15 2.35480e17 2.94274e18 1.21577e19 −5.13282e20
1.3 949201. 3.48678e9 −1.29804e12 −1.14706e14 3.30966e15 −7.22302e16 −3.31942e18 1.21577e19 −1.08879e20
1.4 2.58383e6 3.48678e9 4.47715e12 2.55548e14 9.00926e15 1.98945e17 5.88630e18 1.21577e19 6.60294e20
\(n\): 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 3.42.a.b 4
3.b odd 2 1 9.42.a.c 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3.42.a.b 4 1.a even 1 1 trivial
9.42.a.c 4 3.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} + 69822T_{2}^{3} - 7072082749728T_{2}^{2} - 2484749039974539264T_{2} + 7858870206246628249042944 \) acting on \(S_{42}^{\mathrm{new}}(\Gamma_0(3))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} + \cdots + 78\!\cdots\!44 \) Copy content Toggle raw display
$3$ \( (T - 3486784401)^{4} \) Copy content Toggle raw display
$5$ \( T^{4} + \cdots + 32\!\cdots\!00 \) Copy content Toggle raw display
$7$ \( T^{4} + \cdots + 71\!\cdots\!00 \) Copy content Toggle raw display
$11$ \( T^{4} + \cdots + 63\!\cdots\!84 \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots + 96\!\cdots\!44 \) Copy content Toggle raw display
$17$ \( T^{4} + \cdots - 26\!\cdots\!44 \) Copy content Toggle raw display
$19$ \( T^{4} + \cdots - 25\!\cdots\!00 \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots - 50\!\cdots\!00 \) Copy content Toggle raw display
$29$ \( T^{4} + \cdots - 79\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( T^{4} + \cdots - 14\!\cdots\!00 \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 20\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( T^{4} + \cdots - 33\!\cdots\!00 \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots - 62\!\cdots\!04 \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots - 16\!\cdots\!44 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 19\!\cdots\!00 \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots - 18\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots - 65\!\cdots\!64 \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 22\!\cdots\!76 \) Copy content Toggle raw display
$71$ \( T^{4} + \cdots + 42\!\cdots\!36 \) Copy content Toggle raw display
$73$ \( T^{4} + \cdots - 32\!\cdots\!00 \) Copy content Toggle raw display
$79$ \( T^{4} + \cdots - 21\!\cdots\!00 \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots - 10\!\cdots\!76 \) Copy content Toggle raw display
$89$ \( T^{4} + \cdots + 66\!\cdots\!00 \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots - 31\!\cdots\!64 \) Copy content Toggle raw display
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