Properties

Label 4032.2.c.r
Level $4032$
Weight $2$
Character orbit 4032.c
Analytic conductor $32.196$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [4032,2,Mod(2017,4032)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4032, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 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("4032.2017");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4032 = 2^{6} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4032.c (of order \(2\), degree \(1\), minimal)

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: no
Analytic conductor: \(32.1956820950\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.897122304.10
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 8x^{6} + 51x^{4} - 104x^{2} + 169 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{12} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{5} q^{5} + q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{5} q^{5} + q^{7} - \beta_{5} q^{11} + ( - \beta_{6} - \beta_{4}) q^{13} + \beta_1 q^{17} - \beta_{4} q^{19} + \beta_{2} q^{23} + ( - \beta_{7} - 5) q^{25} - \beta_{3} q^{29} - 2 q^{31} - \beta_{5} q^{35} + (4 \beta_{6} + \beta_{4}) q^{37} - \beta_1 q^{41} + ( - \beta_{6} - 2 \beta_{4}) q^{43} + (\beta_{2} + \beta_1) q^{47} + q^{49} + ( - \beta_{7} - 10) q^{55} - \beta_{3} q^{59} + (\beta_{6} + \beta_{4}) q^{61} + ( - 3 \beta_{2} + \beta_1) q^{65} + 5 \beta_{6} q^{67} + (\beta_{2} - 2 \beta_1) q^{71} + ( - \beta_{7} + 6) q^{73} - \beta_{5} q^{77} + (\beta_{7} - 4) q^{79} + (2 \beta_{5} + \beta_{3}) q^{83} + (4 \beta_{6} - \beta_{4}) q^{85} + (2 \beta_{2} - \beta_1) q^{89} + ( - \beta_{6} - \beta_{4}) q^{91} - 2 \beta_{2} q^{95} + ( - \beta_{7} + 2) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 8 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 8 q^{7} - 40 q^{25} - 16 q^{31} + 8 q^{49} - 80 q^{55} + 48 q^{73} - 32 q^{79} + 16 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 8x^{6} + 51x^{4} - 104x^{2} + 169 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 6\nu^{7} + 17\nu^{5} + 85\nu^{3} - 403\nu ) / 663 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -14\nu^{7} + 255\nu^{5} - 1377\nu^{3} + 4771\nu ) / 663 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 32\nu^{7} - 204\nu^{5} + 1632\nu^{3} - 676\nu ) / 663 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 32\nu^{6} - 204\nu^{4} + 1632\nu^{2} - 2002 ) / 663 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 40\nu^{7} - 255\nu^{5} + 1377\nu^{3} - 845\nu ) / 663 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 2\nu^{6} - 16\nu^{4} + 76\nu^{2} - 104 ) / 39 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 4\nu^{6} + 400 ) / 51 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{3} + \beta_{2} - 3\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{7} - 6\beta_{6} + 8\beta_{4} + 16 ) / 8 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -4\beta_{5} + 5\beta_{3} ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 4\beta_{7} - 24\beta_{6} + 19\beta_{4} - 38 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -32\beta_{5} + 27\beta_{3} + 5\beta_{2} + 81\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 51\beta_{7} - 400 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 204\beta_{5} - 151\beta_{3} + 53\beta_{2} + 453\beta_1 ) / 8 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4032\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(577\) \(1793\) \(3781\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2017.1
1.30421 + 0.752986i
−1.30421 + 0.752986i
−2.07341 1.19709i
2.07341 1.19709i
2.07341 + 1.19709i
−2.07341 + 1.19709i
−1.30421 0.752986i
1.30421 0.752986i
0 0 0 4.11439i 0 1.00000 0 0 0
2017.2 0 0 0 4.11439i 0 1.00000 0 0 0
2017.3 0 0 0 1.75265i 0 1.00000 0 0 0
2017.4 0 0 0 1.75265i 0 1.00000 0 0 0
2017.5 0 0 0 1.75265i 0 1.00000 0 0 0
2017.6 0 0 0 1.75265i 0 1.00000 0 0 0
2017.7 0 0 0 4.11439i 0 1.00000 0 0 0
2017.8 0 0 0 4.11439i 0 1.00000 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2017.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
8.b even 2 1 inner
24.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4032.2.c.r yes 8
3.b odd 2 1 inner 4032.2.c.r yes 8
4.b odd 2 1 4032.2.c.q 8
8.b even 2 1 inner 4032.2.c.r yes 8
8.d odd 2 1 4032.2.c.q 8
12.b even 2 1 4032.2.c.q 8
24.f even 2 1 4032.2.c.q 8
24.h odd 2 1 inner 4032.2.c.r yes 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4032.2.c.q 8 4.b odd 2 1
4032.2.c.q 8 8.d odd 2 1
4032.2.c.q 8 12.b even 2 1
4032.2.c.q 8 24.f even 2 1
4032.2.c.r yes 8 1.a even 1 1 trivial
4032.2.c.r yes 8 3.b odd 2 1 inner
4032.2.c.r yes 8 8.b even 2 1 inner
4032.2.c.r yes 8 24.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(4032, [\chi])\):

\( T_{5}^{4} + 20T_{5}^{2} + 52 \) Copy content Toggle raw display
\( T_{11}^{4} + 20T_{11}^{2} + 52 \) Copy content Toggle raw display
\( T_{13}^{4} + 32T_{13}^{2} + 64 \) Copy content Toggle raw display
\( T_{17}^{4} - 44T_{17}^{2} + 52 \) Copy content Toggle raw display
\( T_{23}^{4} - 60T_{23}^{2} + 468 \) Copy content Toggle raw display
\( T_{31} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( (T^{4} + 20 T^{2} + 52)^{2} \) Copy content Toggle raw display
$7$ \( (T - 1)^{8} \) Copy content Toggle raw display
$11$ \( (T^{4} + 20 T^{2} + 52)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} + 32 T^{2} + 64)^{2} \) Copy content Toggle raw display
$17$ \( (T^{4} - 44 T^{2} + 52)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 12)^{4} \) Copy content Toggle raw display
$23$ \( (T^{4} - 60 T^{2} + 468)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 128 T^{2} + 3328)^{2} \) Copy content Toggle raw display
$31$ \( (T + 2)^{8} \) Copy content Toggle raw display
$37$ \( (T^{4} + 152 T^{2} + 2704)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} - 44 T^{2} + 52)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 104 T^{2} + 1936)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} - 128 T^{2} + 3328)^{2} \) Copy content Toggle raw display
$53$ \( T^{8} \) Copy content Toggle raw display
$59$ \( (T^{4} + 128 T^{2} + 3328)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 32 T^{2} + 64)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + 100)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} - 188 T^{2} + 8788)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} - 12 T - 12)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 8 T - 32)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} + 240 T^{2} + 7488)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} - 236 T^{2} + 52)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} - 4 T - 44)^{4} \) Copy content Toggle raw display
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