Properties

Label 2.74.a.a
Level $2$
Weight $74$
Character orbit 2.a
Self dual yes
Analytic conductor $67.497$
Analytic rank $1$
Dimension $3$
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] = [2,74,Mod(1,2)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2, base_ring=CyclotomicField(1))
 
chi = DirichletCharacter(H, H._module([]))
 
N = Newforms(chi, 74, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2.1");
 
S:= CuspForms(chi, 74);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2 \)
Weight: \( k \) \(=\) \( 74 \)
Character orbit: \([\chi]\) \(=\) 2.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: \(67.4967947474\)
Analytic rank: \(1\)
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: \( x^{3} - x^{2} - 413501459186944860372404680x - 2966140105783309949999568694815716833028 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{23}\cdot 3^{7}\cdot 5^{3} \)
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 \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 68719476736 q^{2} + (\beta_1 - 10\!\cdots\!24) q^{3}+ \cdots + (4620715470 \beta_{2} + \cdots + 24\!\cdots\!53) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - 68719476736 q^{2} + (\beta_1 - 10\!\cdots\!24) q^{3}+ \cdots + (16\!\cdots\!60 \beta_{2} + \cdots + 10\!\cdots\!56) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q - 206158430208 q^{2} - 30\!\cdots\!72 q^{3}+ \cdots + 74\!\cdots\!59 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q - 206158430208 q^{2} - 30\!\cdots\!72 q^{3}+ \cdots + 32\!\cdots\!68 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 413501459186944860372404680x - 2966140105783309949999568694815716833028 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 17280\nu - 5760 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 40960\nu^{2} - 440723106595950720\nu - 11291346512198027412866931825280 ) / 633843 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta _1 + 5760 ) / 17280 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 5704587\beta_{2} + 229543284685391\beta _1 + 101622118609783568885122174279680 ) / 368640 \) 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
−1.44110e13
−8.84892e12
2.32599e13
−6.87195e10 −3.50368e17 4.72237e21 −5.44340e25 2.40771e28 −1.20967e31 −3.24519e32 5.51727e34 3.74068e36
1.2 −6.87195e10 −2.54256e17 4.72237e21 3.27596e25 1.74723e28 8.99592e30 −3.24519e32 −2.93926e33 −2.25122e36
1.3 −6.87195e10 3.00585e17 4.72237e21 −1.10375e25 −2.06560e28 7.83423e29 −3.24519e32 2.27660e34 7.58489e35
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( +1 \)

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 2.74.a.a 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2.74.a.a 3 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{3} + \cdots - 26\!\cdots\!76 \) acting on \(S_{74}^{\mathrm{new}}(\Gamma_0(2))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 68719476736)^{3} \) Copy content Toggle raw display
$3$ \( T^{3} + \cdots - 26\!\cdots\!76 \) Copy content Toggle raw display
$5$ \( T^{3} + \cdots - 19\!\cdots\!00 \) Copy content Toggle raw display
$7$ \( T^{3} + \cdots + 85\!\cdots\!72 \) Copy content Toggle raw display
$11$ \( T^{3} + \cdots + 22\!\cdots\!92 \) Copy content Toggle raw display
$13$ \( T^{3} + \cdots + 58\!\cdots\!64 \) Copy content Toggle raw display
$17$ \( T^{3} + \cdots + 13\!\cdots\!52 \) Copy content Toggle raw display
$19$ \( T^{3} + \cdots - 13\!\cdots\!00 \) Copy content Toggle raw display
$23$ \( T^{3} + \cdots + 24\!\cdots\!64 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots + 28\!\cdots\!00 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots + 70\!\cdots\!32 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots + 55\!\cdots\!52 \) Copy content Toggle raw display
$41$ \( T^{3} + \cdots - 83\!\cdots\!68 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots - 12\!\cdots\!56 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots - 15\!\cdots\!28 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots + 23\!\cdots\!44 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots + 63\!\cdots\!00 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots - 24\!\cdots\!28 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots - 33\!\cdots\!08 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots + 46\!\cdots\!12 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots - 50\!\cdots\!16 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots + 17\!\cdots\!00 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots - 12\!\cdots\!36 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots - 20\!\cdots\!00 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots + 12\!\cdots\!12 \) Copy content Toggle raw display
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