Properties

Label 1000.2.k.d
Level $1000$
Weight $2$
Character orbit 1000.k
Analytic conductor $7.985$
Analytic rank $0$
Dimension $16$
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] = [1000,2,Mod(307,1000)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1000, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 2, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1000.307");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1000 = 2^{3} \cdot 5^{3} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1000.k (of order \(4\), 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: \(7.98504020213\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(i)\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 9x^{12} + 41x^{8} - 144x^{4} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{15} q^{2} + (\beta_{14} + \beta_1) q^{3} + ( - \beta_{5} - \beta_{3}) q^{4} + ( - \beta_{12} + 3) q^{6} + ( - \beta_{15} + \beta_{11} + \cdots + \beta_{9}) q^{7}+ \cdots + (2 \beta_{13} + \beta_{5}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{15} q^{2} + (\beta_{14} + \beta_1) q^{3} + ( - \beta_{5} - \beta_{3}) q^{4} + ( - \beta_{12} + 3) q^{6} + ( - \beta_{15} + \beta_{11} + \cdots + \beta_{9}) q^{7}+ \cdots + ( - 2 \beta_{13} + 9 \beta_{5}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 44 q^{6}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 44 q^{6} - 16 q^{11} + 36 q^{16} - 20 q^{26} + 40 q^{36} - 16 q^{41} + 80 q^{46} - 24 q^{51} + 40 q^{56} - 4 q^{66} + 64 q^{76} + 144 q^{81} - 188 q^{86} + 40 q^{91} + 144 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 9x^{12} + 41x^{8} - 144x^{4} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{14} + 9\nu^{10} + 23\nu^{6} - 48\nu^{2} ) / 192 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{14} - \nu^{10} + \nu^{6} + 56\nu^{2} ) / 96 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{12} + 9\nu^{8} - 25\nu^{4} + 48 ) / 48 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{14} + \nu^{10} - \nu^{6} + 40\nu^{2} ) / 96 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{13} + \nu^{9} - \nu^{5} + 40\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 3\nu^{12} - 11\nu^{8} + 27\nu^{4} - 80 ) / 48 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( \nu^{13} - 9\nu^{9} + 25\nu^{5} - 96\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 3\nu^{15} - 11\nu^{11} - 21\nu^{7} - 32\nu^{3} ) / 384 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( \nu^{15} - \nu^{11} + \nu^{7} - 40\nu^{3} ) / 96 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( \nu^{15} - 9\nu^{11} + 41\nu^{7} - 144\nu^{3} ) / 128 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( \nu^{12} - 5\nu^{8} + 25\nu^{4} - 68 ) / 12 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 5\nu^{14} - 29\nu^{10} + 125\nu^{6} - 320\nu^{2} ) / 192 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 5\nu^{13} - 29\nu^{9} + 125\nu^{5} - 320\nu ) / 96 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 5\nu^{15} - 29\nu^{11} + 125\nu^{7} - 320\nu^{3} ) / 192 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} + \beta_{3} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{15} - 2\beta_{11} - \beta_{10} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{12} - \beta_{7} + \beta_{4} + 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 2\beta_{14} - 3\beta_{8} + 2\beta_{6} - \beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( \beta_{13} + 3\beta_{5} + 2\beta_{3} + 3\beta_{2} \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 3\beta_{15} - 4\beta_{11} - 6\beta_{9} \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( 3\beta_{12} + 12\beta_{4} + 5 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( 6\beta_{14} - 15\beta_{8} - 10\beta_1 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( -3\beta_{13} - 10\beta_{5} + 5\beta_{3} + 15\beta_{2} \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( 2\beta_{15} - 10\beta_{11} + 25\beta_{10} - 30\beta_{9} \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( 2\beta_{12} + 25\beta_{7} + 35\beta_{4} + 18 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( 4\beta_{14} - 12\beta_{8} - 50\beta_{6} + 31\beta_1 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( -4\beta_{13} - 69\beta_{5} + 43\beta_{3} + 12\beta_{2} \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( 39\beta_{15} - 86\beta_{11} + 81\beta_{10} - 24\beta_{9} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1000\mathbb{Z}\right)^\times\).

\(n\) \(377\) \(501\) \(751\)
\(\chi(n)\) \(-\beta_{13}\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
307.1
−0.0676000 + 1.41260i
−0.493908 + 1.32516i
−1.32516 + 0.493908i
−1.41260 + 0.0676000i
1.41260 0.0676000i
1.32516 0.493908i
0.493908 1.32516i
0.0676000 1.41260i
−0.0676000 1.41260i
−0.493908 1.32516i
−1.32516 0.493908i
−1.41260 0.0676000i
1.41260 + 0.0676000i
1.32516 + 0.493908i
0.493908 + 1.32516i
0.0676000 + 1.41260i
−1.41260 0.0676000i −1.48020 + 1.48020i 1.99086 + 0.190983i 0 2.19098 1.99086i −2.17625 + 2.17625i −2.79937 0.404364i 1.38197i 0
307.2 −1.32516 0.493908i −1.81907 + 1.81907i 1.51211 + 1.30902i 0 3.30902 1.51211i 0.513743 0.513743i −1.35726 2.48150i 3.61803i 0
307.3 −0.493908 1.32516i −1.81907 + 1.81907i −1.51211 + 1.30902i 0 3.30902 + 1.51211i −0.513743 + 0.513743i 2.48150 + 1.35726i 3.61803i 0
307.4 −0.0676000 1.41260i −1.48020 + 1.48020i −1.99086 + 0.190983i 0 2.19098 + 1.99086i 2.17625 2.17625i 0.404364 + 2.79937i 1.38197i 0
307.5 0.0676000 + 1.41260i 1.48020 1.48020i −1.99086 + 0.190983i 0 2.19098 + 1.99086i −2.17625 + 2.17625i −0.404364 2.79937i 1.38197i 0
307.6 0.493908 + 1.32516i 1.81907 1.81907i −1.51211 + 1.30902i 0 3.30902 + 1.51211i 0.513743 0.513743i −2.48150 1.35726i 3.61803i 0
307.7 1.32516 + 0.493908i 1.81907 1.81907i 1.51211 + 1.30902i 0 3.30902 1.51211i −0.513743 + 0.513743i 1.35726 + 2.48150i 3.61803i 0
307.8 1.41260 + 0.0676000i 1.48020 1.48020i 1.99086 + 0.190983i 0 2.19098 1.99086i 2.17625 2.17625i 2.79937 + 0.404364i 1.38197i 0
443.1 −1.41260 + 0.0676000i −1.48020 1.48020i 1.99086 0.190983i 0 2.19098 + 1.99086i −2.17625 2.17625i −2.79937 + 0.404364i 1.38197i 0
443.2 −1.32516 + 0.493908i −1.81907 1.81907i 1.51211 1.30902i 0 3.30902 + 1.51211i 0.513743 + 0.513743i −1.35726 + 2.48150i 3.61803i 0
443.3 −0.493908 + 1.32516i −1.81907 1.81907i −1.51211 1.30902i 0 3.30902 1.51211i −0.513743 0.513743i 2.48150 1.35726i 3.61803i 0
443.4 −0.0676000 + 1.41260i −1.48020 1.48020i −1.99086 0.190983i 0 2.19098 1.99086i 2.17625 + 2.17625i 0.404364 2.79937i 1.38197i 0
443.5 0.0676000 1.41260i 1.48020 + 1.48020i −1.99086 0.190983i 0 2.19098 1.99086i −2.17625 2.17625i −0.404364 + 2.79937i 1.38197i 0
443.6 0.493908 1.32516i 1.81907 + 1.81907i −1.51211 1.30902i 0 3.30902 1.51211i 0.513743 + 0.513743i −2.48150 + 1.35726i 3.61803i 0
443.7 1.32516 0.493908i 1.81907 + 1.81907i 1.51211 1.30902i 0 3.30902 + 1.51211i −0.513743 0.513743i 1.35726 2.48150i 3.61803i 0
443.8 1.41260 0.0676000i 1.48020 + 1.48020i 1.99086 0.190983i 0 2.19098 + 1.99086i 2.17625 + 2.17625i 2.79937 0.404364i 1.38197i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 307.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
5.c odd 4 2 inner
8.d odd 2 1 inner
40.e odd 2 1 inner
40.k even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1000.2.k.d 16
5.b even 2 1 inner 1000.2.k.d 16
5.c odd 4 2 inner 1000.2.k.d 16
8.d odd 2 1 inner 1000.2.k.d 16
40.e odd 2 1 inner 1000.2.k.d 16
40.k even 4 2 inner 1000.2.k.d 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1000.2.k.d 16 1.a even 1 1 trivial
1000.2.k.d 16 5.b even 2 1 inner
1000.2.k.d 16 5.c odd 4 2 inner
1000.2.k.d 16 8.d odd 2 1 inner
1000.2.k.d 16 40.e odd 2 1 inner
1000.2.k.d 16 40.k even 4 2 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1000, [\chi])\):

\( T_{3}^{8} + 63T_{3}^{4} + 841 \) Copy content Toggle raw display
\( T_{7}^{8} + 90T_{7}^{4} + 25 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} - 9 T^{12} + \cdots + 256 \) Copy content Toggle raw display
$3$ \( (T^{8} + 63 T^{4} + 841)^{2} \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( (T^{8} + 90 T^{4} + 25)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} + 2 T - 19)^{8} \) Copy content Toggle raw display
$13$ \( (T^{8} + 615 T^{4} + 25)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 138 T^{4} + 841)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} + 43 T^{2} + 361)^{4} \) Copy content Toggle raw display
$23$ \( (T^{8} + 6000 T^{4} + 4000000)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} - 30 T^{2} + 145)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} + 125 T^{2} + 3625)^{4} \) Copy content Toggle raw display
$37$ \( (T^{8} + 1440 T^{4} + 6400)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 2 T - 19)^{8} \) Copy content Toggle raw display
$43$ \( (T^{8} + 24858 T^{4} + 109599961)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + 3015 T^{4} + 366025)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 6015 T^{4} + 366025)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + 47 T^{2} + 1)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} + 45 T^{2} + 145)^{4} \) Copy content Toggle raw display
$67$ \( (T^{8} + 73143 T^{4} + 776681161)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 30 T^{2} + 145)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} + 903 T^{4} + 841)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} - 310 T^{2} + 17545)^{4} \) Copy content Toggle raw display
$83$ \( (T^{8} + 16128 T^{4} + 55115776)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 188 T^{2} + 16)^{4} \) Copy content Toggle raw display
$97$ \( (T^{8} + 24543 T^{4} + 5517801)^{2} \) Copy content Toggle raw display
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