Properties

Label 2016.2.p.g
Level $2016$
Weight $2$
Character orbit 2016.p
Analytic conductor $16.098$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2016,2,Mod(559,2016)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2016, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2016.559");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2016 = 2^{5} \cdot 3^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2016.p (of order \(2\), degree \(1\), 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: \(16.0978410475\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} + \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} + x^{14} - 4x^{12} - 4x^{10} + 16x^{8} - 16x^{6} - 64x^{4} + 64x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{21} \)
Twist minimal: no (minimal twist has level 168)
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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{3} q^{5} + \beta_{6} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{3} q^{5} + \beta_{6} q^{7} - \beta_{4} q^{11} + ( - \beta_{12} - \beta_{8} + \beta_{6}) q^{13} + \beta_{14} q^{17} + ( - \beta_{10} + \beta_1) q^{19} + (\beta_{7} + \beta_{5}) q^{23} + (\beta_{9} + \beta_{4} + 1) q^{25} + (\beta_{8} + \beta_{7} + \cdots - \beta_{2}) q^{29}+ \cdots + ( - 2 \beta_{15} + 2 \beta_{14} + \cdots + 2 \beta_1) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 8 q^{11} + 16 q^{25} + 24 q^{35} + 8 q^{43} - 8 q^{49} + 40 q^{67} + 56 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} + x^{14} - 4x^{12} - 4x^{10} + 16x^{8} - 16x^{6} - 64x^{4} + 64x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{13} + \nu^{11} + 8\nu^{7} + 8\nu^{5} - 32\nu^{3} ) / 32 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{14} + \nu^{12} + 16\nu^{6} - 16\nu^{4} ) / 64 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{11} + \nu^{9} + 2\nu^{7} + 32\nu ) / 16 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -\nu^{14} - \nu^{12} + 16\nu^{6} + 48\nu^{4} ) / 64 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{14} - \nu^{12} + 8\nu^{10} + 8\nu^{8} - 16\nu^{6} + 16\nu^{4} - 128 ) / 64 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( \nu^{15} + \nu^{13} + 4 \nu^{12} - 4 \nu^{11} - 4 \nu^{10} + 4 \nu^{9} + 8 \nu^{8} + 8 \nu^{7} + \cdots + 128 ) / 128 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{10} - \nu^{8} - 2\nu^{6} + 8\nu^{4} + 8\nu^{2} - 32 ) / 8 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - \nu^{15} - \nu^{13} + 4 \nu^{12} + 4 \nu^{11} - 4 \nu^{10} - 4 \nu^{9} + 8 \nu^{8} - 8 \nu^{7} + \cdots + 128 ) / 128 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( \nu^{14} - 3\nu^{12} - 4\nu^{10} + 16\nu^{8} - 48\nu^{4} + 128\nu^{2} + 128 ) / 64 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( \nu^{15} + \nu^{13} + 32\nu^{3} ) / 64 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( -3\nu^{14} + \nu^{12} + 12\nu^{10} - 8\nu^{8} - 32\nu^{6} + 80\nu^{4} + 128\nu^{2} - 256 ) / 64 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( \nu^{15} - \nu^{13} - 2\nu^{11} + 16\nu^{7} - 48\nu^{5} + 32\nu^{3} ) / 64 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( -\nu^{15} - 3\nu^{13} + 10\nu^{11} + 4\nu^{9} - 24\nu^{7} - 16\nu^{5} + 160\nu^{3} ) / 64 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( \nu^{15} - \nu^{13} - 4\nu^{11} + 2\nu^{9} + 4\nu^{7} - 32\nu^{5} + 128\nu ) / 32 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( \nu^{15} - \nu^{13} - 2\nu^{11} + 8\nu^{9} + 8\nu^{7} - 32\nu^{5} + 64\nu ) / 32 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} + 2\beta_{14} + \beta_{13} - \beta_{12} + \beta_{3} + 2\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{11} + \beta_{9} - \beta_{5} + \beta_{2} ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -\beta_{15} - 2\beta_{14} + \beta_{13} + 3\beta_{12} + 4\beta_{10} + 5\beta_{3} - 2\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -\beta_{11} + \beta_{9} + 2\beta_{8} + 4\beta_{7} + 2\beta_{6} - \beta_{5} + 2\beta_{4} - 3\beta_{2} + 4 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( \beta_{15} + 2\beta_{14} - \beta_{13} - 3\beta_{12} + 4\beta_{10} + 8\beta_{8} - 8\beta_{6} + 3\beta_{3} + 2\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( \beta_{11} - \beta_{9} - 2\beta_{8} - 4\beta_{7} - 2\beta_{6} + \beta_{5} + 6\beta_{4} + 11\beta_{2} - 4 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - \beta_{15} - 2 \beta_{14} + \beta_{13} + 19 \beta_{12} - 4 \beta_{10} + 8 \beta_{8} - 8 \beta_{6} + \cdots + 14 \beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -\beta_{11} + 9\beta_{9} + 10\beta_{8} + 4\beta_{7} + 10\beta_{6} + 7\beta_{5} + 2\beta_{4} - 3\beta_{2} - 12 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 33 \beta_{15} - 30 \beta_{14} - \beta_{13} - 19 \beta_{12} + 4 \beta_{10} - 8 \beta_{8} + \cdots - 14 \beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( \beta_{11} - 9\beta_{9} - 10\beta_{8} - 4\beta_{7} - 10\beta_{6} + 25\beta_{5} - 2\beta_{4} + 35\beta_{2} + 76 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - \beta_{15} + 30 \beta_{14} + 33 \beta_{13} - 13 \beta_{12} - 4 \beta_{10} + 8 \beta_{8} + \cdots + 78 \beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 31\beta_{11} + 9\beta_{9} + 42\beta_{8} + 4\beta_{7} + 42\beta_{6} - 25\beta_{5} - 30\beta_{4} + 29\beta_{2} - 12 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 31 \beta_{15} - 94 \beta_{14} - \beta_{13} - 19 \beta_{12} + 132 \beta_{10} - 136 \beta_{8} + \cdots - 14 \beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 63 \beta_{11} + 23 \beta_{9} + 22 \beta_{8} + 124 \beta_{7} + 22 \beta_{6} - 7 \beta_{5} - 34 \beta_{4} + \cdots + 140 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 63 \beta_{15} + 158 \beta_{14} - 31 \beta_{13} - 77 \beta_{12} + 252 \beta_{10} + 136 \beta_{8} + \cdots + 78 \beta_1 ) / 8 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2016\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(577\) \(1765\) \(1793\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
559.1
1.40199 0.185533i
1.40199 + 0.185533i
0.310478 + 1.37971i
0.310478 1.37971i
−0.474920 + 1.33209i
−0.474920 1.33209i
−1.20933 0.733159i
−1.20933 + 0.733159i
1.20933 + 0.733159i
1.20933 0.733159i
0.474920 1.33209i
0.474920 + 1.33209i
−0.310478 1.37971i
−0.310478 + 1.37971i
−1.40199 + 0.185533i
−1.40199 0.185533i
0 0 0 −3.84444 0 −1.62140 2.09071i 0 0 0
559.2 0 0 0 −3.84444 0 −1.62140 + 2.09071i 0 0 0
559.3 0 0 0 −2.33443 0 −0.490487 2.59989i 0 0 0
559.4 0 0 0 −2.33443 0 −0.490487 + 2.59989i 0 0 0
559.5 0 0 0 −1.58069 0 2.37995 1.15578i 0 0 0
559.6 0 0 0 −1.58069 0 2.37995 + 1.15578i 0 0 0
559.7 0 0 0 −1.12786 0 −2.11337 1.59175i 0 0 0
559.8 0 0 0 −1.12786 0 −2.11337 + 1.59175i 0 0 0
559.9 0 0 0 1.12786 0 2.11337 1.59175i 0 0 0
559.10 0 0 0 1.12786 0 2.11337 + 1.59175i 0 0 0
559.11 0 0 0 1.58069 0 −2.37995 1.15578i 0 0 0
559.12 0 0 0 1.58069 0 −2.37995 + 1.15578i 0 0 0
559.13 0 0 0 2.33443 0 0.490487 2.59989i 0 0 0
559.14 0 0 0 2.33443 0 0.490487 + 2.59989i 0 0 0
559.15 0 0 0 3.84444 0 1.62140 2.09071i 0 0 0
559.16 0 0 0 3.84444 0 1.62140 + 2.09071i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 559.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 inner
8.d odd 2 1 inner
56.e even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2016.2.p.g 16
3.b odd 2 1 672.2.p.a 16
4.b odd 2 1 504.2.p.g 16
7.b odd 2 1 inner 2016.2.p.g 16
8.b even 2 1 504.2.p.g 16
8.d odd 2 1 inner 2016.2.p.g 16
12.b even 2 1 168.2.p.a 16
21.c even 2 1 672.2.p.a 16
24.f even 2 1 672.2.p.a 16
24.h odd 2 1 168.2.p.a 16
28.d even 2 1 504.2.p.g 16
56.e even 2 1 inner 2016.2.p.g 16
56.h odd 2 1 504.2.p.g 16
84.h odd 2 1 168.2.p.a 16
168.e odd 2 1 672.2.p.a 16
168.i even 2 1 168.2.p.a 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
168.2.p.a 16 12.b even 2 1
168.2.p.a 16 24.h odd 2 1
168.2.p.a 16 84.h odd 2 1
168.2.p.a 16 168.i even 2 1
504.2.p.g 16 4.b odd 2 1
504.2.p.g 16 8.b even 2 1
504.2.p.g 16 28.d even 2 1
504.2.p.g 16 56.h odd 2 1
672.2.p.a 16 3.b odd 2 1
672.2.p.a 16 21.c even 2 1
672.2.p.a 16 24.f even 2 1
672.2.p.a 16 168.e odd 2 1
2016.2.p.g 16 1.a even 1 1 trivial
2016.2.p.g 16 7.b odd 2 1 inner
2016.2.p.g 16 8.d odd 2 1 inner
2016.2.p.g 16 56.e even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2016, [\chi])\):

\( T_{5}^{8} - 24T_{5}^{6} + 160T_{5}^{4} - 368T_{5}^{2} + 256 \) Copy content Toggle raw display
\( T_{11}^{4} + 2T_{11}^{3} - 24T_{11}^{2} - 60T_{11} - 16 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} - 24 T^{6} + \cdots + 256)^{2} \) Copy content Toggle raw display
$7$ \( T^{16} + 4 T^{14} + \cdots + 5764801 \) Copy content Toggle raw display
$11$ \( (T^{4} + 2 T^{3} - 24 T^{2} + \cdots - 16)^{4} \) Copy content Toggle raw display
$13$ \( (T^{8} - 68 T^{6} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 64 T^{6} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} + 96 T^{6} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 96 T^{6} + \cdots + 64)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} + 68 T^{6} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} - 180 T^{6} + \cdots + 3444736)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + 64 T^{6} + \cdots + 4096)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} + 208 T^{6} + \cdots + 640000)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 2 T^{3} + \cdots + 160)^{4} \) Copy content Toggle raw display
$47$ \( (T^{8} - 256 T^{6} + \cdots + 6553600)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 164 T^{6} + \cdots + 640000)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + 208 T^{6} + \cdots + 16384)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} - 164 T^{6} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$67$ \( (T^{4} - 10 T^{3} + \cdots - 2272)^{4} \) Copy content Toggle raw display
$71$ \( (T^{8} + 112 T^{6} + \cdots + 1600)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + 256 T^{6} + \cdots + 262144)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + 188 T^{6} + \cdots + 541696)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 544 T^{6} + \cdots + 147865600)^{2} \) Copy content Toggle raw display
$89$ \( (T^{8} + 400 T^{6} + \cdots + 17572864)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 544 T^{6} + \cdots + 262144)^{2} \) Copy content Toggle raw display
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