Properties

Label 1008.3.cd.e
Level $1008$
Weight $3$
Character orbit 1008.cd
Analytic conductor $27.466$
Analytic rank $0$
Dimension $4$
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] = [1008,3,Mod(415,1008)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1008, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 0, 0, 2]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1008.415");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1008 = 2^{4} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1008.cd (of order \(6\), degree \(2\), 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: \(27.4660106475\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{-7})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} - x^{2} - 2x + 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 112)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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.

\(f(q)\) \(=\) \( q - \beta_{2} q^{5} + ( - \beta_{3} + 3 \beta_1) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{5} + ( - \beta_{3} + 3 \beta_1) q^{7} - 5 \beta_1 q^{11} - 10 q^{13} + (5 \beta_{2} - 5) q^{17} + 5 \beta_{3} q^{19} + 11 \beta_{3} q^{23} + ( - 24 \beta_{2} + 24) q^{25} - 14 q^{29} - 15 \beta_1 q^{31} + (3 \beta_{3} - 2 \beta_1) q^{35} - 35 \beta_{2} q^{37} + 74 q^{41} + (16 \beta_{3} - 16 \beta_1) q^{43} + 15 \beta_{3} q^{47} + (56 \beta_{2} - 35) q^{49} + (85 \beta_{2} - 85) q^{53} + ( - 5 \beta_{3} + 5 \beta_1) q^{55} - 25 \beta_1 q^{59} + 69 \beta_{2} q^{61} + 10 \beta_{2} q^{65} + 9 \beta_1 q^{67} + (40 \beta_{3} - 40 \beta_1) q^{71} + ( - 65 \beta_{2} + 65) q^{73} + ( - 105 \beta_{2} + 35) q^{77} + 45 \beta_{3} q^{79} + (56 \beta_{3} - 56 \beta_1) q^{83} + 5 q^{85} - 41 \beta_{2} q^{89} + (10 \beta_{3} - 30 \beta_1) q^{91} - 5 \beta_1 q^{95} - 130 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 2 q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 2 q^{5} - 40 q^{13} - 10 q^{17} + 48 q^{25} - 56 q^{29} - 70 q^{37} + 296 q^{41} - 28 q^{49} - 170 q^{53} + 138 q^{61} + 20 q^{65} + 130 q^{73} - 70 q^{77} + 20 q^{85} - 82 q^{89} - 520 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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

\(\beta_{1}\)\(=\) \( ( \nu^{3} + \nu^{2} + 3\nu - 4 ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} + \nu^{2} - \nu - 2 ) / 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -3\nu^{3} + \nu^{2} + 3\nu + 6 ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{2} + \beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + 3\beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -\beta_{3} + \beta _1 + 5 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1008\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(577\) \(757\) \(785\)
\(\chi(n)\) \(-1\) \(-\beta_{2}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
415.1
−0.895644 + 1.09445i
1.39564 0.228425i
−0.895644 1.09445i
1.39564 + 0.228425i
0 0 0 −0.500000 + 0.866025i 0 −4.58258 + 5.29150i 0 0 0
415.2 0 0 0 −0.500000 + 0.866025i 0 4.58258 5.29150i 0 0 0
991.1 0 0 0 −0.500000 0.866025i 0 −4.58258 5.29150i 0 0 0
991.2 0 0 0 −0.500000 0.866025i 0 4.58258 + 5.29150i 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
4.b odd 2 1 inner
7.c even 3 1 inner
28.g odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1008.3.cd.e 4
3.b odd 2 1 112.3.r.a 4
4.b odd 2 1 inner 1008.3.cd.e 4
7.c even 3 1 inner 1008.3.cd.e 4
12.b even 2 1 112.3.r.a 4
21.c even 2 1 784.3.r.l 4
21.g even 6 1 784.3.d.g 2
21.g even 6 1 784.3.r.l 4
21.h odd 6 1 112.3.r.a 4
21.h odd 6 1 784.3.d.f 2
24.f even 2 1 448.3.r.a 4
24.h odd 2 1 448.3.r.a 4
28.g odd 6 1 inner 1008.3.cd.e 4
84.h odd 2 1 784.3.r.l 4
84.j odd 6 1 784.3.d.g 2
84.j odd 6 1 784.3.r.l 4
84.n even 6 1 112.3.r.a 4
84.n even 6 1 784.3.d.f 2
168.s odd 6 1 448.3.r.a 4
168.v even 6 1 448.3.r.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
112.3.r.a 4 3.b odd 2 1
112.3.r.a 4 12.b even 2 1
112.3.r.a 4 21.h odd 6 1
112.3.r.a 4 84.n even 6 1
448.3.r.a 4 24.f even 2 1
448.3.r.a 4 24.h odd 2 1
448.3.r.a 4 168.s odd 6 1
448.3.r.a 4 168.v even 6 1
784.3.d.f 2 21.h odd 6 1
784.3.d.f 2 84.n even 6 1
784.3.d.g 2 21.g even 6 1
784.3.d.g 2 84.j odd 6 1
784.3.r.l 4 21.c even 2 1
784.3.r.l 4 21.g even 6 1
784.3.r.l 4 84.h odd 2 1
784.3.r.l 4 84.j odd 6 1
1008.3.cd.e 4 1.a even 1 1 trivial
1008.3.cd.e 4 4.b odd 2 1 inner
1008.3.cd.e 4 7.c even 3 1 inner
1008.3.cd.e 4 28.g odd 6 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1008, [\chi])\):

\( T_{5}^{2} + T_{5} + 1 \) Copy content Toggle raw display
\( T_{11}^{4} - 175T_{11}^{2} + 30625 \) Copy content Toggle raw display
\( T_{13} + 10 \) Copy content Toggle raw display
\( T_{19}^{4} - 175T_{19}^{2} + 30625 \) 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
$5$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$7$ \( T^{4} + 14T^{2} + 2401 \) Copy content Toggle raw display
$11$ \( T^{4} - 175 T^{2} + 30625 \) Copy content Toggle raw display
$13$ \( (T + 10)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} + 5 T + 25)^{2} \) Copy content Toggle raw display
$19$ \( T^{4} - 175 T^{2} + 30625 \) Copy content Toggle raw display
$23$ \( T^{4} - 847 T^{2} + 717409 \) Copy content Toggle raw display
$29$ \( (T + 14)^{4} \) Copy content Toggle raw display
$31$ \( T^{4} - 1575 T^{2} + 2480625 \) Copy content Toggle raw display
$37$ \( (T^{2} + 35 T + 1225)^{2} \) Copy content Toggle raw display
$41$ \( (T - 74)^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} + 1792)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} - 1575 T^{2} + 2480625 \) Copy content Toggle raw display
$53$ \( (T^{2} + 85 T + 7225)^{2} \) Copy content Toggle raw display
$59$ \( T^{4} - 4375 T^{2} + 19140625 \) Copy content Toggle raw display
$61$ \( (T^{2} - 69 T + 4761)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} - 567 T^{2} + 321489 \) Copy content Toggle raw display
$71$ \( (T^{2} + 11200)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} - 65 T + 4225)^{2} \) Copy content Toggle raw display
$79$ \( T^{4} - 14175 T^{2} + 200930625 \) Copy content Toggle raw display
$83$ \( (T^{2} + 21952)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} + 41 T + 1681)^{2} \) Copy content Toggle raw display
$97$ \( (T + 130)^{4} \) Copy content Toggle raw display
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