Properties

Label 804.2.a.e
Level $804$
Weight $2$
Character orbit 804.a
Self dual yes
Analytic conductor $6.420$
Analytic rank $0$
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] = [804,2,Mod(1,804)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(804, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("804.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 804 = 2^{2} \cdot 3 \cdot 67 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 804.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: \(6.41997232251\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: 3.3.1076.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - 8x - 6 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
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 \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{3} + ( - \beta_1 - 1) q^{5} + (\beta_{2} - \beta_1 - 2) q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{3} + ( - \beta_1 - 1) q^{5} + (\beta_{2} - \beta_1 - 2) q^{7} + q^{9} + (\beta_{2} + \beta_1 + 1) q^{11} + ( - \beta_{2} - \beta_1 + 1) q^{13} + (\beta_1 + 1) q^{15} + ( - \beta_{2} - \beta_1 + 1) q^{17} + ( - \beta_{2} + \beta_1 - 1) q^{19} + ( - \beta_{2} + \beta_1 + 2) q^{21} + ( - \beta_1 + 3) q^{23} + (\beta_{2} + 3 \beta_1 + 1) q^{25} - q^{27} + 8 q^{29} + ( - 2 \beta_{2} + 1) q^{31} + ( - \beta_{2} - \beta_1 - 1) q^{33} + (\beta_{2} + 2 \beta_1 + 6) q^{35} + (\beta_{2} - \beta_1 + 6) q^{37} + (\beta_{2} + \beta_1 - 1) q^{39} + (\beta_{2} + 2 \beta_1 + 4) q^{41} + (2 \beta_{2} - 2 \beta_1 - 1) q^{43} + ( - \beta_1 - 1) q^{45} + ( - \beta_{2} + 3 \beta_1 + 1) q^{47} + ( - 2 \beta_{2} + 8) q^{49} + (\beta_{2} + \beta_1 - 1) q^{51} + 3 \beta_{2} q^{53} + ( - \beta_{2} - 5 \beta_1 - 7) q^{55} + (\beta_{2} - \beta_1 + 1) q^{57} + ( - 3 \beta_{2} + 4) q^{59} + (3 \beta_{2} + \beta_1 - 1) q^{61} + (\beta_{2} - \beta_1 - 2) q^{63} + (\beta_{2} + 3 \beta_1 + 5) q^{65} - q^{67} + (\beta_1 - 3) q^{69} + ( - \beta_{2} - 5 \beta_1 + 5) q^{71} + ( - 2 \beta_{2} - 2 \beta_1 - 7) q^{73} + ( - \beta_{2} - 3 \beta_1 - 1) q^{75} + ( - 3 \beta_{2} - 5 \beta_1 + 1) q^{77} + ( - 2 \beta_{2} - 6) q^{79} + q^{81} + ( - 3 \beta_{2} + 6) q^{83} + (\beta_{2} + 3 \beta_1 + 5) q^{85} - 8 q^{87} + (3 \beta_{2} + \beta_1 + 3) q^{89} + (5 \beta_{2} + 3 \beta_1 - 5) q^{91} + (2 \beta_{2} - 1) q^{93} + ( - \beta_{2} + \beta_1 - 3) q^{95} + ( - \beta_{2} + \beta_1 + 5) q^{97} + (\beta_{2} + \beta_1 + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q - 3 q^{3} - 3 q^{5} - 5 q^{7} + 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q - 3 q^{3} - 3 q^{5} - 5 q^{7} + 3 q^{9} + 4 q^{11} + 2 q^{13} + 3 q^{15} + 2 q^{17} - 4 q^{19} + 5 q^{21} + 9 q^{23} + 4 q^{25} - 3 q^{27} + 24 q^{29} + q^{31} - 4 q^{33} + 19 q^{35} + 19 q^{37} - 2 q^{39} + 13 q^{41} - q^{43} - 3 q^{45} + 2 q^{47} + 22 q^{49} - 2 q^{51} + 3 q^{53} - 22 q^{55} + 4 q^{57} + 9 q^{59} - 5 q^{63} + 16 q^{65} - 3 q^{67} - 9 q^{69} + 14 q^{71} - 23 q^{73} - 4 q^{75} - 20 q^{79} + 3 q^{81} + 15 q^{83} + 16 q^{85} - 24 q^{87} + 12 q^{89} - 10 q^{91} - q^{93} - 10 q^{95} + 14 q^{97} + 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - 8x - 6 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 5 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 5 \) 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
3.14743
−0.818558
−2.32887
0 −1.00000 0 −4.14743 0 −3.38854 0 1.00000 0
1.2 0 −1.00000 0 −0.181442 0 −4.69285 0 1.00000 0
1.3 0 −1.00000 0 1.32887 0 3.08139 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(1\)
\(67\) \(1\)

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 804.2.a.e 3
3.b odd 2 1 2412.2.a.h 3
4.b odd 2 1 3216.2.a.t 3
12.b even 2 1 9648.2.a.br 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
804.2.a.e 3 1.a even 1 1 trivial
2412.2.a.h 3 3.b odd 2 1
3216.2.a.t 3 4.b odd 2 1
9648.2.a.br 3 12.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{3} + 3T_{5}^{2} - 5T_{5} - 1 \) acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(804))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} \) Copy content Toggle raw display
$3$ \( (T + 1)^{3} \) Copy content Toggle raw display
$5$ \( T^{3} + 3 T^{2} + \cdots - 1 \) Copy content Toggle raw display
$7$ \( T^{3} + 5 T^{2} + \cdots - 49 \) Copy content Toggle raw display
$11$ \( T^{3} - 4 T^{2} + \cdots + 28 \) Copy content Toggle raw display
$13$ \( T^{3} - 2 T^{2} + \cdots + 12 \) Copy content Toggle raw display
$17$ \( T^{3} - 2 T^{2} + \cdots + 12 \) Copy content Toggle raw display
$19$ \( T^{3} + 4 T^{2} + \cdots + 4 \) Copy content Toggle raw display
$23$ \( T^{3} - 9 T^{2} + \cdots + 3 \) Copy content Toggle raw display
$29$ \( (T - 8)^{3} \) Copy content Toggle raw display
$31$ \( T^{3} - T^{2} + \cdots - 91 \) Copy content Toggle raw display
$37$ \( T^{3} - 19 T^{2} + \cdots - 169 \) Copy content Toggle raw display
$41$ \( T^{3} - 13 T^{2} + \cdots + 29 \) Copy content Toggle raw display
$43$ \( T^{3} + T^{2} + \cdots - 221 \) Copy content Toggle raw display
$47$ \( T^{3} - 2 T^{2} + \cdots + 156 \) Copy content Toggle raw display
$53$ \( T^{3} - 3 T^{2} + \cdots + 459 \) Copy content Toggle raw display
$59$ \( T^{3} - 9 T^{2} + \cdots - 79 \) Copy content Toggle raw display
$61$ \( T^{3} - 116T + 452 \) Copy content Toggle raw display
$67$ \( (T + 1)^{3} \) Copy content Toggle raw display
$71$ \( T^{3} - 14 T^{2} + \cdots + 2188 \) Copy content Toggle raw display
$73$ \( T^{3} + 23 T^{2} + \cdots - 219 \) Copy content Toggle raw display
$79$ \( T^{3} + 20 T^{2} + \cdots - 112 \) Copy content Toggle raw display
$83$ \( T^{3} - 15 T^{2} + \cdots + 27 \) Copy content Toggle raw display
$89$ \( T^{3} - 12 T^{2} + \cdots + 852 \) Copy content Toggle raw display
$97$ \( T^{3} - 14 T^{2} + \cdots + 4 \) Copy content Toggle raw display
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