Properties

Label 1008.2.r.e
Level $1008$
Weight $2$
Character orbit 1008.r
Analytic conductor $8.049$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1008,2,Mod(337,1008)]
 
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, 2, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1008.337");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1008 = 2^{4} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1008.r (of order \(3\), 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: \(8.04892052375\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{3})\)
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: \( 1 \)
Twist minimal: no (minimal twist has level 126)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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.

\(f(q)\) \(=\) \( q + ( - \beta_{3} - 1) q^{3} + (\beta_{3} - \beta_{2} + \beta_1) q^{5} + (\beta_{2} - 1) q^{7} + (2 \beta_{3} - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{3} - 1) q^{3} + (\beta_{3} - \beta_{2} + \beta_1) q^{5} + (\beta_{2} - 1) q^{7} + (2 \beta_{3} - 1) q^{9} + ( - 2 \beta_{2} + 2) q^{11} + ( - 2 \beta_{3} - 2 \beta_1) q^{13} + ( - \beta_{2} - 2 \beta_1 + 4) q^{15} + 2 q^{17} + ( - \beta_{3} + 2 \beta_1 - 5) q^{19} + ( - \beta_{2} + \beta_1 + 1) q^{21} - \beta_{2} q^{23} + ( - 4 \beta_{3} + 2 \beta_{2} + 2 \beta_1 - 2) q^{25} + ( - \beta_{3} + 5) q^{27} + ( - 4 \beta_{3} - 2 \beta_{2} + 2 \beta_1 + 2) q^{29} + 6 \beta_{2} q^{31} + (2 \beta_{2} - 2 \beta_1 - 2) q^{33} + (\beta_{3} - 2 \beta_1 + 1) q^{35} + ( - 4 \beta_{3} + 8 \beta_1 + 2) q^{37} + (2 \beta_{3} + 4 \beta_{2} + 2 \beta_1 - 8) q^{39} + ( - 4 \beta_{3} - 4 \beta_1) q^{41} + ( - 4 \beta_{3} - 2 \beta_{2} + 2 \beta_1 + 2) q^{43} + ( - 3 \beta_{3} + 5 \beta_{2} + \beta_1 - 8) q^{45} + ( - 8 \beta_{3} + 4 \beta_1) q^{47} - \beta_{2} q^{49} + ( - 2 \beta_{3} - 2) q^{51} + (2 \beta_{3} - 4 \beta_1 - 6) q^{53} + ( - 2 \beta_{3} + 4 \beta_1 - 2) q^{55} + (6 \beta_{3} - 4 \beta_{2} - 2 \beta_1 + 7) q^{57} - 2 \beta_{2} q^{59} + ( - 2 \beta_{3} + 9 \beta_{2} + \beta_1 - 9) q^{61} + ( - \beta_{2} - 2 \beta_1 + 1) q^{63} + (4 \beta_{3} - 12 \beta_{2} - 2 \beta_1 + 12) q^{65} + ( - 2 \beta_{3} - 8 \beta_{2} - 2 \beta_1) q^{67} + (\beta_{3} + \beta_{2} - \beta_1) q^{69} + ( - 2 \beta_{3} + 4 \beta_1 - 5) q^{71} + (2 \beta_{3} - 4 \beta_1 - 2) q^{73} + (4 \beta_{3} - 6 \beta_{2} - 2) q^{75} + 2 \beta_{2} q^{77} + (4 \beta_{3} - 3 \beta_{2} - 2 \beta_1 + 3) q^{79} + ( - 4 \beta_{3} - 7) q^{81} + ( - 2 \beta_{2} + 2) q^{83} + (2 \beta_{3} - 2 \beta_{2} + 2 \beta_1) q^{85} + (4 \beta_{3} - 2 \beta_{2} - 4 \beta_1 - 6) q^{87} + (2 \beta_{3} - 4 \beta_1 - 12) q^{89} + ( - 2 \beta_{3} + 4 \beta_1) q^{91} + ( - 6 \beta_{3} - 6 \beta_{2} + 6 \beta_1) q^{93} + ( - 6 \beta_{3} + 11 \beta_{2} - 6 \beta_1) q^{95} + (4 \beta_{3} - 2 \beta_{2} - 2 \beta_1 + 2) q^{97} + (2 \beta_{2} + 4 \beta_1 - 2) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 4 q^{3} - 2 q^{5} - 2 q^{7} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 4 q^{3} - 2 q^{5} - 2 q^{7} - 4 q^{9} + 4 q^{11} + 14 q^{15} + 8 q^{17} - 20 q^{19} + 2 q^{21} - 2 q^{23} - 4 q^{25} + 20 q^{27} + 4 q^{29} + 12 q^{31} - 4 q^{33} + 4 q^{35} + 8 q^{37} - 24 q^{39} + 4 q^{43} - 22 q^{45} - 2 q^{49} - 8 q^{51} - 24 q^{53} - 8 q^{55} + 20 q^{57} - 4 q^{59} - 18 q^{61} + 2 q^{63} + 24 q^{65} - 16 q^{67} + 2 q^{69} - 20 q^{71} - 8 q^{73} - 20 q^{75} + 4 q^{77} + 6 q^{79} - 28 q^{81} + 4 q^{83} - 4 q^{85} - 28 q^{87} - 48 q^{89} - 12 q^{93} + 22 q^{95} + 4 q^{97} - 4 q^{99}+O(q^{100}) \) 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

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

Character values

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

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

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
337.1
−1.22474 + 0.707107i
1.22474 0.707107i
1.22474 + 0.707107i
−1.22474 0.707107i
0 −1.00000 1.41421i 0 −1.72474 + 2.98735i 0 −0.500000 0.866025i 0 −1.00000 + 2.82843i 0
337.2 0 −1.00000 + 1.41421i 0 0.724745 1.25529i 0 −0.500000 0.866025i 0 −1.00000 2.82843i 0
673.1 0 −1.00000 1.41421i 0 0.724745 + 1.25529i 0 −0.500000 + 0.866025i 0 −1.00000 + 2.82843i 0
673.2 0 −1.00000 + 1.41421i 0 −1.72474 2.98735i 0 −0.500000 + 0.866025i 0 −1.00000 2.82843i 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
9.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1008.2.r.e 4
3.b odd 2 1 3024.2.r.e 4
4.b odd 2 1 126.2.f.c 4
9.c even 3 1 inner 1008.2.r.e 4
9.c even 3 1 9072.2.a.bk 2
9.d odd 6 1 3024.2.r.e 4
9.d odd 6 1 9072.2.a.bd 2
12.b even 2 1 378.2.f.d 4
28.d even 2 1 882.2.f.j 4
28.f even 6 1 882.2.e.n 4
28.f even 6 1 882.2.h.l 4
28.g odd 6 1 882.2.e.m 4
28.g odd 6 1 882.2.h.k 4
36.f odd 6 1 126.2.f.c 4
36.f odd 6 1 1134.2.a.p 2
36.h even 6 1 378.2.f.d 4
36.h even 6 1 1134.2.a.i 2
84.h odd 2 1 2646.2.f.k 4
84.j odd 6 1 2646.2.e.k 4
84.j odd 6 1 2646.2.h.n 4
84.n even 6 1 2646.2.e.l 4
84.n even 6 1 2646.2.h.m 4
252.n even 6 1 882.2.e.n 4
252.o even 6 1 2646.2.e.l 4
252.r odd 6 1 2646.2.h.n 4
252.s odd 6 1 2646.2.f.k 4
252.s odd 6 1 7938.2.a.bm 2
252.u odd 6 1 882.2.h.k 4
252.bb even 6 1 2646.2.h.m 4
252.bi even 6 1 882.2.f.j 4
252.bi even 6 1 7938.2.a.bn 2
252.bj even 6 1 882.2.h.l 4
252.bl odd 6 1 882.2.e.m 4
252.bn odd 6 1 2646.2.e.k 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
126.2.f.c 4 4.b odd 2 1
126.2.f.c 4 36.f odd 6 1
378.2.f.d 4 12.b even 2 1
378.2.f.d 4 36.h even 6 1
882.2.e.m 4 28.g odd 6 1
882.2.e.m 4 252.bl odd 6 1
882.2.e.n 4 28.f even 6 1
882.2.e.n 4 252.n even 6 1
882.2.f.j 4 28.d even 2 1
882.2.f.j 4 252.bi even 6 1
882.2.h.k 4 28.g odd 6 1
882.2.h.k 4 252.u odd 6 1
882.2.h.l 4 28.f even 6 1
882.2.h.l 4 252.bj even 6 1
1008.2.r.e 4 1.a even 1 1 trivial
1008.2.r.e 4 9.c even 3 1 inner
1134.2.a.i 2 36.h even 6 1
1134.2.a.p 2 36.f odd 6 1
2646.2.e.k 4 84.j odd 6 1
2646.2.e.k 4 252.bn odd 6 1
2646.2.e.l 4 84.n even 6 1
2646.2.e.l 4 252.o even 6 1
2646.2.f.k 4 84.h odd 2 1
2646.2.f.k 4 252.s odd 6 1
2646.2.h.m 4 84.n even 6 1
2646.2.h.m 4 252.bb even 6 1
2646.2.h.n 4 84.j odd 6 1
2646.2.h.n 4 252.r odd 6 1
3024.2.r.e 4 3.b odd 2 1
3024.2.r.e 4 9.d odd 6 1
7938.2.a.bm 2 252.s odd 6 1
7938.2.a.bn 2 252.bi even 6 1
9072.2.a.bd 2 9.d odd 6 1
9072.2.a.bk 2 9.c even 3 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1008, [\chi])\):

\( T_{5}^{4} + 2T_{5}^{3} + 9T_{5}^{2} - 10T_{5} + 25 \) Copy content Toggle raw display
\( T_{11}^{2} - 2T_{11} + 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} + 2 T + 3)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} + 2 T^{3} + 9 T^{2} - 10 T + 25 \) Copy content Toggle raw display
$7$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 2 T + 4)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} + 24T^{2} + 576 \) Copy content Toggle raw display
$17$ \( (T - 2)^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 10 T + 19)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} - 4 T^{3} + 36 T^{2} + 80 T + 400 \) Copy content Toggle raw display
$31$ \( (T^{2} - 6 T + 36)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} - 4 T - 92)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} + 96T^{2} + 9216 \) Copy content Toggle raw display
$43$ \( T^{4} - 4 T^{3} + 36 T^{2} + 80 T + 400 \) Copy content Toggle raw display
$47$ \( T^{4} + 96T^{2} + 9216 \) Copy content Toggle raw display
$53$ \( (T^{2} + 12 T + 12)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 2 T + 4)^{2} \) Copy content Toggle raw display
$61$ \( T^{4} + 18 T^{3} + 249 T^{2} + \cdots + 5625 \) Copy content Toggle raw display
$67$ \( T^{4} + 16 T^{3} + 216 T^{2} + \cdots + 1600 \) Copy content Toggle raw display
$71$ \( (T^{2} + 10 T + 1)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 4 T - 20)^{2} \) Copy content Toggle raw display
$79$ \( T^{4} - 6 T^{3} + 51 T^{2} + 90 T + 225 \) Copy content Toggle raw display
$83$ \( (T^{2} - 2 T + 4)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} + 24 T + 120)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} - 4 T^{3} + 36 T^{2} + 80 T + 400 \) Copy content Toggle raw display
show more
show less