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Properties

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

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [4032,2,Mod(3583,4032)]
 
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([1, 0, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("4032.3583");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4032 = 2^{6} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4032.b (of order \(2\), degree \(1\), not 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: \(4\)
Coefficient field: 4.0.2312.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} - 2x + 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 84)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{3} + \beta_{2} + \beta_1 - 1) q^{5} + \beta_{3} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{3} + \beta_{2} + \beta_1 - 1) q^{5} + \beta_{3} q^{7} - \beta_{2} q^{11} + 2 \beta_{2} q^{13} + (\beta_{3} - \beta_{2} + \beta_1 - 1) q^{17} + (\beta_{3} - \beta_1 - 3) q^{19} - \beta_{2} q^{23} + (\beta_{3} - \beta_1 - 2) q^{25} - 2 q^{29} + (\beta_{2} - 2 \beta_1 - 2) q^{35} + (\beta_{3} - \beta_1 + 3) q^{37} + (\beta_{3} + 3 \beta_{2} + \beta_1 - 1) q^{41} + ( - 3 \beta_{3} - 4 \beta_{2} + \cdots + 3) q^{43}+ \cdots + ( - 2 \beta_{3} + 2 \beta_{2} + \cdots + 2) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 2 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 2 q^{7} - 12 q^{19} - 8 q^{25} - 8 q^{29} - 12 q^{35} + 12 q^{37} + 8 q^{47} + 8 q^{49} + 16 q^{53} + 4 q^{55} + 16 q^{59} - 8 q^{65} - 8 q^{77} - 8 q^{83} - 20 q^{85} + 16 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

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

\(\beta_{1}\)\(=\) \( \nu^{2} + \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( -\nu^{2} + \nu \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} - \nu - 1 \) Copy content Toggle raw display

Display \(\nu^j\) in terms of \(\beta_i\)

\(\nu\)\(=\) \( ( \beta_{2} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{2} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 2\beta_{3} + \beta_{2} + \beta _1 + 2 ) / 2 \) Copy content Toggle raw display

Display \(\beta_i\) in terms of \(\nu^j\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
3583.1
1.28078 − 0.599676i
−0.780776 − 1.17915i
−0.780776 + 1.17915i
1.28078 + 0.599676i
0 0 0 − 3.33513i 0 −1.56155 − 2.13578i 0 0 0
3583.2 0 0 0 − 1.69614i 0 2.56155 + 0.662153i 0 0 0
3583.3 0 0 0 1.69614i 0 2.56155 − 0.662153i 0 0 0
3583.4 0 0 0 3.33513i 0 −1.56155 + 2.13578i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
28.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4032.2.b.n 4
3.b odd 2 1 1344.2.b.f 4
4.b odd 2 1 4032.2.b.j 4
7.b odd 2 1 4032.2.b.j 4
8.b even 2 1 252.2.b.e 4
8.d odd 2 1 252.2.b.d 4
12.b even 2 1 1344.2.b.e 4
21.c even 2 1 1344.2.b.e 4
24.f even 2 1 84.2.b.b yes 4
24.h odd 2 1 84.2.b.a ✓ 4
28.d even 2 1 inner 4032.2.b.n 4
56.e even 2 1 252.2.b.e 4
56.h odd 2 1 252.2.b.d 4
84.h odd 2 1 1344.2.b.f 4
168.e odd 2 1 84.2.b.a ✓ 4
168.i even 2 1 84.2.b.b yes 4
168.s odd 6 2 588.2.o.c 8
168.v even 6 2 588.2.o.a 8
168.ba even 6 2 588.2.o.a 8
168.be odd 6 2 588.2.o.c 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
84.2.b.a ✓ 4 24.h odd 2 1
84.2.b.a ✓ 4 168.e odd 2 1
84.2.b.b yes 4 24.f even 2 1
84.2.b.b yes 4 168.i even 2 1
252.2.b.d 4 8.d odd 2 1
252.2.b.d 4 56.h odd 2 1
252.2.b.e 4 8.b even 2 1
252.2.b.e 4 56.e even 2 1
588.2.o.a 8 168.v even 6 2
588.2.o.a 8 168.ba even 6 2
588.2.o.c 8 168.s odd 6 2
588.2.o.c 8 168.be odd 6 2
1344.2.b.e 4 12.b even 2 1
1344.2.b.e 4 21.c even 2 1
1344.2.b.f 4 3.b odd 2 1
1344.2.b.f 4 84.h odd 2 1
4032.2.b.j 4 4.b odd 2 1
4032.2.b.j 4 7.b odd 2 1
4032.2.b.n 4 1.a even 1 1 trivial
4032.2.b.n 4 28.d even 2 1 inner

Hecke kernels

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

\( T_{5}^{4} + 14T_{5}^{2} + 32 \) Copy content Toggle raw display
\( T_{11}^{4} + 10T_{11}^{2} + 8 \) Copy content Toggle raw display
\( T_{19}^{2} + 6T_{19} - 8 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} + 14T^{2} + 32 \) Copy content Toggle raw display
$7$ \( T^{4} - 2 T^{3} + \cdots + 49 \) Copy content Toggle raw display
$11$ \( T^{4} + 10T^{2} + 8 \) Copy content Toggle raw display
$13$ \( T^{4} + 40T^{2} + 128 \) Copy content Toggle raw display
$17$ \( T^{4} + 46T^{2} + 512 \) Copy content Toggle raw display
$19$ \( (T^{2} + 6 T - 8)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + 10T^{2} + 8 \) Copy content Toggle raw display
$29$ \( (T + 2)^{4} \) Copy content Toggle raw display
$31$ \( T^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 6 T - 8)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} + 62T^{2} + 128 \) Copy content Toggle raw display
$43$ \( T^{4} + 148T^{2} + 5408 \) Copy content Toggle raw display
$47$ \( (T^{2} - 4 T - 64)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} - 8 T - 52)^{2} \) Copy content Toggle raw display
$59$ \( (T - 4)^{4} \) Copy content Toggle raw display
$61$ \( T^{4} + 112T^{2} + 2048 \) Copy content Toggle raw display
$67$ \( T^{4} + 124T^{2} + 512 \) Copy content Toggle raw display
$71$ \( T^{4} + 170T^{2} + 2312 \) Copy content Toggle raw display
$73$ \( T^{4} + 56T^{2} + 512 \) Copy content Toggle raw display
$79$ \( T^{4} + 28T^{2} + 128 \) Copy content Toggle raw display
$83$ \( (T^{2} + 4 T - 64)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} + 62T^{2} + 128 \) Copy content Toggle raw display
$97$ \( T^{4} + 184T^{2} + 8192 \) Copy content Toggle raw display
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