Properties

Label 1008.3.o.a
Level $1008$
Weight $3$
Character orbit 1008.o
Analytic conductor $27.466$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1008,3,Mod(1007,1008)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1008, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 1, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1008.1007");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1008 = 2^{4} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1008.o (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: \(27.4660106475\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.12745506816.5
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 8x^{6} + 55x^{4} - 72x^{2} + 81 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{12}\cdot 3^{2} \)
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.

\(f(q)\) \(=\) \( q + \beta_1 q^{5} - \beta_{4} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_1 q^{5} - \beta_{4} q^{7} - \beta_{2} q^{11} + \beta_{5} q^{13} + \beta_1 q^{17} + (\beta_{6} - \beta_{4}) q^{19} - 3 \beta_{2} q^{23} - q^{25} - \beta_{3} q^{29} + (2 \beta_{6} - 2 \beta_{4}) q^{31} + (\beta_{7} - 4 \beta_{2}) q^{35} - 8 q^{37} - 9 \beta_1 q^{41} + (5 \beta_{6} + 5 \beta_{4}) q^{43} + 2 \beta_{7} q^{47} + ( - 7 \beta_{5} + 7) q^{49} + \beta_{3} q^{53} + (3 \beta_{6} - 3 \beta_{4}) q^{55} + 4 \beta_{7} q^{59} + 6 \beta_{5} q^{61} + 8 \beta_{3} q^{65} + (12 \beta_{6} + 12 \beta_{4}) q^{67} - 11 \beta_{2} q^{71} - 9 \beta_{5} q^{73} + ( - 7 \beta_{3} + 7 \beta_1) q^{77} + (4 \beta_{6} + 4 \beta_{4}) q^{79} + 6 \beta_{7} q^{83} + 24 q^{85} + \beta_1 q^{89} + (7 \beta_{6} + \beta_{4}) q^{91} - 8 \beta_{2} q^{95} + 25 \beta_{5} q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 8 q^{25} - 64 q^{37} + 56 q^{49} + 192 q^{85}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 8x^{6} + 55x^{4} - 72x^{2} + 81 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 4\nu^{7} - 50\nu^{5} + 310\nu^{3} - 738\nu ) / 135 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -14\nu^{7} + 121\nu^{5} - 869\nu^{3} + 2097\nu ) / 297 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -8\nu^{7} + 55\nu^{5} - 341\nu^{3} + 81\nu ) / 99 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 37\nu^{6} - 440\nu^{4} + 2530\nu^{2} - 4644 ) / 495 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 64\nu^{6} - 440\nu^{4} + 3520\nu^{2} - 2628 ) / 495 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 73\nu^{6} - 440\nu^{4} + 2530\nu^{2} + 684 ) / 495 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 16\nu^{7} - 110\nu^{5} + 790\nu^{3} - 162\nu ) / 45 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{7} + 2\beta_{3} + 6\beta_{2} + 3\beta_1 ) / 24 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -3\beta_{6} + 4\beta_{5} - \beta_{4} + 16 ) / 8 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 5\beta_{7} + 22\beta_{3} ) / 12 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -8\beta_{6} + 23\beta_{5} - 24\beta_{4} - 92 ) / 8 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 31\beta_{7} + 158\beta_{3} - 186\beta_{2} - 237\beta_1 ) / 24 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 55\beta_{6} - 55\beta_{4} - 592 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -203\beta_{7} - 1066\beta_{3} - 1218\beta_{2} - 1599\beta_1 ) / 24 \) Copy content Toggle raw display

Character values

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

\(n\) \(127\) \(577\) \(757\) \(785\)
\(\chi(n)\) \(-1\) \(-1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1007.1
−2.23256 + 1.28897i
−2.23256 1.28897i
1.00781 + 0.581861i
1.00781 0.581861i
2.23256 1.28897i
2.23256 + 1.28897i
−1.00781 0.581861i
−1.00781 + 0.581861i
0 0 0 −4.89898 0 −5.29150 4.58258i 0 0 0
1007.2 0 0 0 −4.89898 0 −5.29150 + 4.58258i 0 0 0
1007.3 0 0 0 −4.89898 0 5.29150 4.58258i 0 0 0
1007.4 0 0 0 −4.89898 0 5.29150 + 4.58258i 0 0 0
1007.5 0 0 0 4.89898 0 −5.29150 4.58258i 0 0 0
1007.6 0 0 0 4.89898 0 −5.29150 + 4.58258i 0 0 0
1007.7 0 0 0 4.89898 0 5.29150 4.58258i 0 0 0
1007.8 0 0 0 4.89898 0 5.29150 + 4.58258i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1007.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
7.b odd 2 1 inner
12.b even 2 1 inner
21.c even 2 1 inner
28.d even 2 1 inner
84.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1008.3.o.a 8
3.b odd 2 1 inner 1008.3.o.a 8
4.b odd 2 1 inner 1008.3.o.a 8
7.b odd 2 1 inner 1008.3.o.a 8
12.b even 2 1 inner 1008.3.o.a 8
21.c even 2 1 inner 1008.3.o.a 8
28.d even 2 1 inner 1008.3.o.a 8
84.h odd 2 1 inner 1008.3.o.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1008.3.o.a 8 1.a even 1 1 trivial
1008.3.o.a 8 3.b odd 2 1 inner
1008.3.o.a 8 4.b odd 2 1 inner
1008.3.o.a 8 7.b odd 2 1 inner
1008.3.o.a 8 12.b even 2 1 inner
1008.3.o.a 8 21.c even 2 1 inner
1008.3.o.a 8 28.d even 2 1 inner
1008.3.o.a 8 84.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{2} - 24 \) acting on \(S_{3}^{\mathrm{new}}(1008, [\chi])\). 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
$5$ \( (T^{2} - 24)^{4} \) Copy content Toggle raw display
$7$ \( (T^{4} - 14 T^{2} + 2401)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 42)^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} + 48)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} - 24)^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} - 112)^{4} \) Copy content Toggle raw display
$23$ \( (T^{2} - 378)^{4} \) Copy content Toggle raw display
$29$ \( (T^{2} + 18)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} - 448)^{4} \) Copy content Toggle raw display
$37$ \( (T + 8)^{8} \) Copy content Toggle raw display
$41$ \( (T^{2} - 1944)^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} + 2100)^{4} \) Copy content Toggle raw display
$47$ \( (T^{2} + 2016)^{4} \) Copy content Toggle raw display
$53$ \( (T^{2} + 18)^{4} \) Copy content Toggle raw display
$59$ \( (T^{2} + 8064)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} + 1728)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 12096)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} - 5082)^{4} \) Copy content Toggle raw display
$73$ \( (T^{2} + 3888)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 1344)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 18144)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} - 24)^{4} \) Copy content Toggle raw display
$97$ \( (T^{2} + 30000)^{4} \) Copy content Toggle raw display
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