Properties

Label 1480.2.a.f
Level $1480$
Weight $2$
Character orbit 1480.a
Self dual yes
Analytic conductor $11.818$
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] = [1480,2,Mod(1,1480)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1480, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 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("1480.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1480 = 2^{3} \cdot 5 \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1480.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: \(11.8178594991\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: 3.3.568.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 6x - 2 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
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.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} + q^{5} - \beta_1 q^{7} + (\beta_{2} + 2 \beta_1 + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{3} + q^{5} - \beta_1 q^{7} + (\beta_{2} + 2 \beta_1 + 1) q^{9} + (\beta_{2} + 2) q^{11} + \beta_1 q^{15} + ( - \beta_{2} + \beta_1 + 2) q^{19} + ( - \beta_{2} - 2 \beta_1 - 4) q^{21} + 4 q^{23} + q^{25} + (\beta_{2} + 2 \beta_1 + 6) q^{27} + ( - 2 \beta_{2} - 2) q^{29} + ( - \beta_{2} - \beta_1 + 2) q^{31} + ( - \beta_{2} + 2 \beta_1 - 2) q^{33} - \beta_1 q^{35} + q^{37} + ( - \beta_{2} - 2 \beta_1) q^{41} + (2 \beta_{2} + 4) q^{43} + (\beta_{2} + 2 \beta_1 + 1) q^{45} + ( - 4 \beta_{2} - \beta_1) q^{47} + (\beta_{2} + 2 \beta_1 - 3) q^{49} + (3 \beta_{2} + 2 \beta_1 + 4) q^{53} + (\beta_{2} + 2) q^{55} + (2 \beta_{2} + 4 \beta_1 + 6) q^{57} + ( - 3 \beta_{2} - \beta_1 - 2) q^{59} + ( - 4 \beta_1 - 2) q^{61} + ( - \beta_{2} - 5 \beta_1 - 6) q^{63} + (3 \beta_{2} + \beta_1 + 10) q^{67} + 4 \beta_1 q^{69} + (\beta_{2} - 2 \beta_1 + 6) q^{71} + ( - 3 \beta_{2} + 2 \beta_1) q^{73} + \beta_1 q^{75} + (\beta_{2} - 2 \beta_1 + 2) q^{77} + (3 \beta_{2} - \beta_1 + 2) q^{79} + ( - 2 \beta_{2} + 4 \beta_1 + 3) q^{81} + (2 \beta_{2} - 5 \beta_1 + 4) q^{83} + (2 \beta_{2} - 2 \beta_1 + 4) q^{87} + (4 \beta_{2} + 4 \beta_1 - 2) q^{89} - 2 q^{93} + ( - \beta_{2} + \beta_1 + 2) q^{95} + 6 q^{97} + (2 \beta_1 + 4) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + q^{3} + 3 q^{5} - q^{7} + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q + q^{3} + 3 q^{5} - q^{7} + 4 q^{9} + 5 q^{11} + q^{15} + 8 q^{19} - 13 q^{21} + 12 q^{23} + 3 q^{25} + 19 q^{27} - 4 q^{29} + 6 q^{31} - 3 q^{33} - q^{35} + 3 q^{37} - q^{41} + 10 q^{43} + 4 q^{45} + 3 q^{47} - 8 q^{49} + 11 q^{53} + 5 q^{55} + 20 q^{57} - 4 q^{59} - 10 q^{61} - 22 q^{63} + 28 q^{67} + 4 q^{69} + 15 q^{71} + 5 q^{73} + q^{75} + 3 q^{77} + 2 q^{79} + 15 q^{81} + 5 q^{83} + 8 q^{87} - 6 q^{89} - 6 q^{93} + 8 q^{95} + 18 q^{97} + 14 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 6x - 2 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 2\nu - 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + 2\beta _1 + 4 \) 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
−1.76156
−0.363328
3.12489
0 −1.76156 0 1.00000 0 1.76156 0 0.103084 0
1.2 0 −0.363328 0 1.00000 0 0.363328 0 −2.86799 0
1.3 0 3.12489 0 1.00000 0 −3.12489 0 6.76491 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(-1\)
\(37\) \(-1\)

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 1480.2.a.f 3
4.b odd 2 1 2960.2.a.s 3
5.b even 2 1 7400.2.a.m 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1480.2.a.f 3 1.a even 1 1 trivial
2960.2.a.s 3 4.b odd 2 1
7400.2.a.m 3 5.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{3} - T_{3}^{2} - 6T_{3} - 2 \) acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(1480))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} \) Copy content Toggle raw display
$3$ \( T^{3} - T^{2} - 6T - 2 \) Copy content Toggle raw display
$5$ \( (T - 1)^{3} \) Copy content Toggle raw display
$7$ \( T^{3} + T^{2} - 6T + 2 \) Copy content Toggle raw display
$11$ \( T^{3} - 5T^{2} + 8 \) Copy content Toggle raw display
$13$ \( T^{3} \) Copy content Toggle raw display
$17$ \( T^{3} \) Copy content Toggle raw display
$19$ \( T^{3} - 8 T^{2} + 2 T + 64 \) Copy content Toggle raw display
$23$ \( (T - 4)^{3} \) Copy content Toggle raw display
$29$ \( T^{3} + 4 T^{2} - 28 T - 32 \) Copy content Toggle raw display
$31$ \( T^{3} - 6 T^{2} + 2 T + 4 \) Copy content Toggle raw display
$37$ \( (T - 1)^{3} \) Copy content Toggle raw display
$41$ \( T^{3} + T^{2} - 24 T + 20 \) Copy content Toggle raw display
$43$ \( T^{3} - 10T^{2} + 64 \) Copy content Toggle raw display
$47$ \( T^{3} - 3 T^{2} - 118 T - 134 \) Copy content Toggle raw display
$53$ \( T^{3} - 11 T^{2} - 32 T + 452 \) Copy content Toggle raw display
$59$ \( T^{3} + 4 T^{2} - 62 T - 232 \) Copy content Toggle raw display
$61$ \( T^{3} + 10 T^{2} - 68 T - 40 \) Copy content Toggle raw display
$67$ \( T^{3} - 28 T^{2} + 194 T - 40 \) Copy content Toggle raw display
$71$ \( T^{3} - 15 T^{2} + 32 T + 32 \) Copy content Toggle raw display
$73$ \( T^{3} - 5 T^{2} - 120 T + 764 \) Copy content Toggle raw display
$79$ \( T^{3} - 2 T^{2} - 94 T - 212 \) Copy content Toggle raw display
$83$ \( T^{3} - 5 T^{2} - 230 T - 106 \) Copy content Toggle raw display
$89$ \( T^{3} + 6 T^{2} - 148 T + 200 \) Copy content Toggle raw display
$97$ \( (T - 6)^{3} \) Copy content Toggle raw display
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