Properties

Label 1008.3.dc.c
Level $1008$
Weight $3$
Character orbit 1008.dc
Analytic conductor $27.466$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1008,3,Mod(305,1008)]
 
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([0, 0, 3, 4]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1008.305");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1008 = 2^{4} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1008.dc (of order \(6\), degree \(2\), 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: \(27.4660106475\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\sqrt{-2}, \sqrt{-3})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 2x^{2} + 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 3^{2} \)
Twist minimal: no (minimal twist has level 252)
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.

\(f(q)\) \(=\) \( q + \beta_1 q^{5} + ( - 7 \beta_{2} + 7) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{5} + ( - 7 \beta_{2} + 7) q^{7} + ( - 5 \beta_{3} + 5 \beta_1) q^{11} + 23 q^{13} + (4 \beta_{3} - 4 \beta_1) q^{17} + (\beta_{2} - 1) q^{19} - 4 \beta_1 q^{23} - 7 \beta_{2} q^{25} + 8 \beta_{3} q^{29} - 49 \beta_{2} q^{31} + ( - 7 \beta_{3} + 7 \beta_1) q^{35} + (17 \beta_{2} - 17) q^{37} - 5 \beta_{3} q^{41} - 47 q^{43} + 9 \beta_1 q^{47} - 49 \beta_{2} q^{49} + ( - 20 \beta_{3} + 20 \beta_1) q^{53} + 90 q^{55} + ( - 12 \beta_{3} + 12 \beta_1) q^{59} + ( - 40 \beta_{2} + 40) q^{61} + 23 \beta_1 q^{65} + 23 \beta_{2} q^{67} + 15 \beta_{3} q^{71} - 17 \beta_{2} q^{73} - 35 \beta_{3} q^{77} + (79 \beta_{2} - 79) q^{79} + 25 \beta_{3} q^{83} - 72 q^{85} + 32 \beta_1 q^{89} + ( - 161 \beta_{2} + 161) q^{91} + (\beta_{3} - \beta_1) q^{95} - 40 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 14 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 14 q^{7} + 92 q^{13} - 2 q^{19} - 14 q^{25} - 98 q^{31} - 34 q^{37} - 188 q^{43} - 98 q^{49} + 360 q^{55} + 80 q^{61} + 46 q^{67} - 34 q^{73} - 158 q^{79} - 288 q^{85} + 322 q^{91} - 160 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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

\(\beta_{1}\)\(=\) \( 3\nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{2} ) / 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 3\nu^{3} ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_1 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 2\beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 2\beta_{3} ) / 3 \) Copy content Toggle raw display

Character values

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

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

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
305.1
−1.22474 + 0.707107i
1.22474 0.707107i
−1.22474 0.707107i
1.22474 + 0.707107i
0 0 0 −3.67423 + 2.12132i 0 3.50000 + 6.06218i 0 0 0
305.2 0 0 0 3.67423 2.12132i 0 3.50000 + 6.06218i 0 0 0
737.1 0 0 0 −3.67423 2.12132i 0 3.50000 6.06218i 0 0 0
737.2 0 0 0 3.67423 + 2.12132i 0 3.50000 6.06218i 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
3.b odd 2 1 inner
7.c even 3 1 inner
21.h 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.dc.c 4
3.b odd 2 1 inner 1008.3.dc.c 4
4.b odd 2 1 252.3.bk.a 4
7.c even 3 1 inner 1008.3.dc.c 4
12.b even 2 1 252.3.bk.a 4
21.h odd 6 1 inner 1008.3.dc.c 4
28.d even 2 1 1764.3.bk.a 4
28.f even 6 1 1764.3.c.a 2
28.f even 6 1 1764.3.bk.a 4
28.g odd 6 1 252.3.bk.a 4
28.g odd 6 1 1764.3.c.d 2
84.h odd 2 1 1764.3.bk.a 4
84.j odd 6 1 1764.3.c.a 2
84.j odd 6 1 1764.3.bk.a 4
84.n even 6 1 252.3.bk.a 4
84.n even 6 1 1764.3.c.d 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
252.3.bk.a 4 4.b odd 2 1
252.3.bk.a 4 12.b even 2 1
252.3.bk.a 4 28.g odd 6 1
252.3.bk.a 4 84.n even 6 1
1008.3.dc.c 4 1.a even 1 1 trivial
1008.3.dc.c 4 3.b odd 2 1 inner
1008.3.dc.c 4 7.c even 3 1 inner
1008.3.dc.c 4 21.h odd 6 1 inner
1764.3.c.a 2 28.f even 6 1
1764.3.c.a 2 84.j odd 6 1
1764.3.c.d 2 28.g odd 6 1
1764.3.c.d 2 84.n even 6 1
1764.3.bk.a 4 28.d even 2 1
1764.3.bk.a 4 28.f even 6 1
1764.3.bk.a 4 84.h odd 2 1
1764.3.bk.a 4 84.j odd 6 1

Hecke kernels

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

\( T_{5}^{4} - 18T_{5}^{2} + 324 \) Copy content Toggle raw display
\( T_{11}^{4} - 450T_{11}^{2} + 202500 \) 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
$5$ \( T^{4} - 18T^{2} + 324 \) Copy content Toggle raw display
$7$ \( (T^{2} - 7 T + 49)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} - 450 T^{2} + 202500 \) Copy content Toggle raw display
$13$ \( (T - 23)^{4} \) Copy content Toggle raw display
$17$ \( T^{4} - 288 T^{2} + 82944 \) Copy content Toggle raw display
$19$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} - 288 T^{2} + 82944 \) Copy content Toggle raw display
$29$ \( (T^{2} + 1152)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 49 T + 2401)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 17 T + 289)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 450)^{2} \) Copy content Toggle raw display
$43$ \( (T + 47)^{4} \) Copy content Toggle raw display
$47$ \( T^{4} - 1458 T^{2} + 2125764 \) Copy content Toggle raw display
$53$ \( T^{4} - 7200 T^{2} + 51840000 \) Copy content Toggle raw display
$59$ \( T^{4} - 2592 T^{2} + 6718464 \) Copy content Toggle raw display
$61$ \( (T^{2} - 40 T + 1600)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} - 23 T + 529)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} + 4050)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 17 T + 289)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 79 T + 6241)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} + 11250)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} - 18432 T^{2} + 339738624 \) Copy content Toggle raw display
$97$ \( (T + 40)^{4} \) Copy content Toggle raw display
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