Properties

Label 3360.2.g.d
Level $3360$
Weight $2$
Character orbit 3360.g
Analytic conductor $26.830$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3360,2,Mod(1681,3360)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3360, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3360.1681");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3360 = 2^{5} \cdot 3 \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3360.g (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: \(26.8297350792\)
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: \( x^{16} - 2 x^{15} + 2 x^{14} - 2 x^{13} + x^{12} - 8 x^{10} + 24 x^{9} - 32 x^{8} + 48 x^{7} + \cdots + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{29}]\)
Coefficient ring index: \( 2^{21} \)
Twist minimal: no (minimal twist has level 840)
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.

\(f(q)\) \(=\) \( q - \beta_1 q^{3} - \beta_1 q^{5} + q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_1 q^{3} - \beta_1 q^{5} + q^{7} - q^{9} + \beta_{8} q^{11} - \beta_{2} q^{13} - q^{15} - \beta_{4} q^{17} - \beta_{7} q^{19} - \beta_1 q^{21} + \beta_{12} q^{23} - q^{25} + \beta_1 q^{27} + ( - \beta_{10} + \beta_{8} + \cdots + \beta_1) q^{29}+ \cdots - \beta_{8} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 16 q^{7} - 16 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{7} - 16 q^{9} - 16 q^{15} - 16 q^{25} - 32 q^{47} + 16 q^{49} - 16 q^{63} + 64 q^{71} - 48 q^{79} + 16 q^{81} + 16 q^{87}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 2 x^{15} + 2 x^{14} - 2 x^{13} + x^{12} - 8 x^{10} + 24 x^{9} - 32 x^{8} + 48 x^{7} + \cdots + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 3 \nu^{15} - 8 \nu^{14} + 6 \nu^{13} - 10 \nu^{12} - \nu^{11} - 10 \nu^{10} - 44 \nu^{9} + 48 \nu^{8} + \cdots - 896 ) / 512 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{15} + 2 \nu^{13} + 2 \nu^{12} - 11 \nu^{11} + 10 \nu^{10} - 20 \nu^{9} + 16 \nu^{8} - 16 \nu^{7} + \cdots - 128 ) / 128 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - \nu^{15} - 2 \nu^{14} + 2 \nu^{13} + 2 \nu^{12} - \nu^{11} + 4 \nu^{10} + 4 \nu^{9} + 8 \nu^{8} + \cdots - 64 \nu ) / 128 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 3 \nu^{15} - 4 \nu^{14} + 14 \nu^{13} - 18 \nu^{12} + 23 \nu^{11} - 6 \nu^{10} - 60 \nu^{9} + \cdots - 1152 ) / 256 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - 3 \nu^{15} + 4 \nu^{14} + 2 \nu^{13} - 14 \nu^{12} + 9 \nu^{11} - 26 \nu^{10} + 76 \nu^{9} + \cdots + 1152 ) / 256 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 5 \nu^{15} - 4 \nu^{14} + 2 \nu^{13} - 14 \nu^{12} + \nu^{11} - 18 \nu^{10} + 12 \nu^{9} + 32 \nu^{8} + \cdots + 128 ) / 256 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 5 \nu^{15} + 4 \nu^{14} - 2 \nu^{13} + 14 \nu^{12} + 31 \nu^{11} - 46 \nu^{10} + 52 \nu^{9} + \cdots - 128 ) / 256 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 3 \nu^{15} - 2 \nu^{14} + 2 \nu^{13} - 6 \nu^{12} + 3 \nu^{11} - 4 \nu^{10} - 20 \nu^{9} + 40 \nu^{8} + \cdots - 512 ) / 128 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 3 \nu^{15} - 6 \nu^{14} + 2 \nu^{13} - 14 \nu^{12} - 5 \nu^{11} - 24 \nu^{10} - 28 \nu^{9} + \cdots - 1280 ) / 128 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 11 \nu^{15} - 26 \nu^{13} - 10 \nu^{12} - 41 \nu^{11} - 50 \nu^{10} - 172 \nu^{9} + 144 \nu^{8} + \cdots - 4480 ) / 512 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 7 \nu^{15} - 4 \nu^{14} - 6 \nu^{13} - 6 \nu^{12} + 5 \nu^{11} + 22 \nu^{10} + 76 \nu^{9} + \cdots + 896 ) / 256 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 11 \nu^{15} + 12 \nu^{14} - 14 \nu^{13} + 18 \nu^{12} - 15 \nu^{11} - 2 \nu^{10} + 124 \nu^{9} + \cdots + 2176 ) / 256 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 11 \nu^{15} - 22 \nu^{13} + 10 \nu^{12} + 9 \nu^{11} + 18 \nu^{10} + 124 \nu^{9} - 112 \nu^{8} + \cdots + 1920 ) / 256 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 4 \nu^{15} - 3 \nu^{14} + 2 \nu^{13} - 2 \nu^{12} + 2 \nu^{11} + 5 \nu^{10} - 36 \nu^{9} + 44 \nu^{8} + \cdots - 576 ) / 64 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 5 \nu^{15} - 3 \nu^{14} + 4 \nu^{13} - \nu^{11} - \nu^{10} - 40 \nu^{9} + 44 \nu^{8} - 72 \nu^{7} + \cdots - 704 ) / 64 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{15} + \beta_{14} + \beta_{12} - \beta_{11} - \beta_{10} + \beta_{9} + \beta_{8} - \beta_{5} - \beta _1 + 1 ) / 8 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{12} + \beta_{6} - \beta_{5} + \beta_{4} ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - \beta_{15} + \beta_{14} + \beta_{12} - \beta_{11} + \beta_{10} - \beta_{9} + 3 \beta_{8} + \beta_{5} + \cdots + 1 ) / 8 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( \beta_{15} - \beta_{14} + 2\beta_{13} - \beta_{11} + 2\beta_{8} - \beta_{6} + \beta_{5} + \beta_{4} + 2\beta_{2} + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 5 \beta_{15} + 5 \beta_{14} + \beta_{12} - \beta_{11} - \beta_{10} + \beta_{9} + \beta_{8} + 4 \beta_{7} + \cdots + 1 ) / 8 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 2 \beta_{13} + \beta_{12} + 4 \beta_{11} + 4 \beta_{8} + 2 \beta_{7} - \beta_{6} - \beta_{5} + \cdots + 12 ) / 4 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 5 \beta_{15} - 3 \beta_{14} - 3 \beta_{12} - 5 \beta_{11} - 3 \beta_{10} - 5 \beta_{9} + 15 \beta_{8} + \cdots - 27 ) / 8 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( \beta_{15} - 9 \beta_{14} + 2 \beta_{13} - 8 \beta_{12} - \beta_{11} + 2 \beta_{8} + 7 \beta_{6} + \cdots + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 3 \beta_{15} - 3 \beta_{14} - 7 \beta_{12} + 7 \beta_{11} - 9 \beta_{10} + 9 \beta_{9} + 25 \beta_{8} + \cdots - 71 ) / 8 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 8 \beta_{15} + 6 \beta_{13} + \beta_{12} + 12 \beta_{11} - 8 \beta_{9} + 4 \beta_{8} - 6 \beta_{7} + \cdots - 60 ) / 4 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 21 \beta_{15} + 29 \beta_{14} - 35 \beta_{12} + 11 \beta_{11} + 13 \beta_{10} - 37 \beta_{9} + \cdots - 43 ) / 8 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 33 \beta_{15} - 33 \beta_{14} + 2 \beta_{13} - 32 \beta_{12} + 15 \beta_{11} - 8 \beta_{10} - 6 \beta_{8} + \cdots + 49 ) / 4 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 13 \beta_{15} - 35 \beta_{14} - 64 \beta_{13} - 39 \beta_{12} - 9 \beta_{11} - 89 \beta_{10} + \cdots - 311 ) / 8 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 16 \beta_{15} - 32 \beta_{14} - 58 \beta_{13} - 15 \beta_{12} + 36 \beta_{11} + 32 \beta_{10} + \cdots - 84 ) / 4 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 171 \beta_{15} - 19 \beta_{14} - 51 \beta_{12} + 11 \beta_{11} + 45 \beta_{10} - 85 \beta_{9} + \cdots - 299 ) / 8 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3360\mathbb{Z}\right)^\times\).

\(n\) \(421\) \(1121\) \(1471\) \(1921\) \(2017\)
\(\chi(n)\) \(-1\) \(1\) \(1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1681.1
−0.908085 1.08415i
1.37218 0.342246i
0.787917 1.17439i
0.582664 + 1.28861i
−1.41228 + 0.0739393i
−0.727187 + 1.21293i
−0.0395670 1.41366i
1.34436 + 0.438970i
1.34436 0.438970i
−0.0395670 + 1.41366i
−0.727187 1.21293i
−1.41228 0.0739393i
0.582664 1.28861i
0.787917 + 1.17439i
1.37218 + 0.342246i
−0.908085 + 1.08415i
0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.2 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.3 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.4 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.5 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.6 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.7 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.8 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.9 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.10 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.11 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.12 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.13 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.14 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.15 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
1681.16 0 1.00000i 0 1.00000i 0 1.00000 0 −1.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1681.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3360.2.g.d 16
4.b odd 2 1 840.2.g.d 16
8.b even 2 1 inner 3360.2.g.d 16
8.d odd 2 1 840.2.g.d 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
840.2.g.d 16 4.b odd 2 1
840.2.g.d 16 8.d odd 2 1
3360.2.g.d 16 1.a even 1 1 trivial
3360.2.g.d 16 8.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{11}^{16} + 104 T_{11}^{14} + 4320 T_{11}^{12} + 91904 T_{11}^{10} + 1068352 T_{11}^{8} + \cdots + 9437184 \) acting on \(S_{2}^{\mathrm{new}}(3360, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{8} \) Copy content Toggle raw display
$5$ \( (T^{2} + 1)^{8} \) Copy content Toggle raw display
$7$ \( (T - 1)^{16} \) Copy content Toggle raw display
$11$ \( T^{16} + 104 T^{14} + \cdots + 9437184 \) Copy content Toggle raw display
$13$ \( T^{16} + \cdots + 256000000 \) Copy content Toggle raw display
$17$ \( (T^{8} - 84 T^{6} + \cdots - 3072)^{2} \) Copy content Toggle raw display
$19$ \( T^{16} + 200 T^{14} + \cdots + 9437184 \) Copy content Toggle raw display
$23$ \( (T^{8} - 108 T^{6} + \cdots - 24576)^{2} \) Copy content Toggle raw display
$29$ \( T^{16} + \cdots + 12572688384 \) Copy content Toggle raw display
$31$ \( (T^{8} - 128 T^{6} + \cdots + 10240)^{2} \) Copy content Toggle raw display
$37$ \( T^{16} + 168 T^{14} + \cdots + 1048576 \) Copy content Toggle raw display
$41$ \( (T^{8} - 216 T^{6} + \cdots + 76800)^{2} \) Copy content Toggle raw display
$43$ \( T^{16} + \cdots + 4498653184 \) Copy content Toggle raw display
$47$ \( (T^{8} + 16 T^{7} + \cdots - 35328)^{2} \) Copy content Toggle raw display
$53$ \( T^{16} + \cdots + 267413094400 \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 4244786642944 \) Copy content Toggle raw display
$61$ \( T^{16} + \cdots + 260573495296 \) Copy content Toggle raw display
$67$ \( T^{16} + \cdots + 171568267264 \) Copy content Toggle raw display
$71$ \( (T^{8} - 32 T^{7} + \cdots - 2977792)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} - 304 T^{6} + \cdots + 2407040)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + 24 T^{7} + \cdots + 294912)^{2} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 87214679654400 \) Copy content Toggle raw display
$89$ \( (T^{8} - 360 T^{6} + \cdots + 575488)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} - 336 T^{6} + \cdots + 640)^{2} \) Copy content Toggle raw display
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