Properties

Label 2160.2.by.e
Level $2160$
Weight $2$
Character orbit 2160.by
Analytic conductor $17.248$
Analytic rank $0$
Dimension $12$
CM no
Inner twists $4$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2160,2,Mod(289,2160)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2160, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 4, 3]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2160.289");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2160 = 2^{4} \cdot 3^{3} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2160.by (of order \(6\), 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: \(17.2476868366\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 4x^{10} + 10x^{8} - 6x^{6} + 90x^{4} - 324x^{2} + 729 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 3^{2} \)
Twist minimal: no (minimal twist has level 180)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{9} q^{5} + ( - \beta_{10} + \beta_{9} + \cdots - \beta_{4}) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{9} q^{5} + ( - \beta_{10} + \beta_{9} + \cdots - \beta_{4}) q^{7}+ \cdots + (4 \beta_{11} - \beta_{10} + \cdots - \beta_{4}) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - q^{5} + 2 q^{11} - 3 q^{25} + 18 q^{29} - 6 q^{31} - 34 q^{35} - 14 q^{41} + 6 q^{55} - 34 q^{59} + 6 q^{61} - 15 q^{65} + 6 q^{79} - 12 q^{85} - 112 q^{89} - 12 q^{91} + 36 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 4x^{10} + 10x^{8} - 6x^{6} + 90x^{4} - 324x^{2} + 729 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{10} + 31\nu^{8} + 17\nu^{6} - 21\nu^{4} + 45\nu^{2} + 2997 ) / 1296 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -7\nu^{10} - 71\nu^{8} - 25\nu^{6} - 435\nu^{4} + 747\nu^{2} - 6237 ) / 1296 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{10} - 15\nu^{8} + 15\nu^{6} - 59\nu^{4} + 99\nu^{2} - 1125 ) / 144 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{11} + 24 \nu^{10} - 13 \nu^{9} - 42 \nu^{8} + 19 \nu^{7} + 24 \nu^{6} - 69 \nu^{5} - 90 \nu^{4} + \cdots - 3402 ) / 972 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( - \nu^{11} + 24 \nu^{10} + 13 \nu^{9} - 42 \nu^{8} - 19 \nu^{7} + 24 \nu^{6} + 69 \nu^{5} + \cdots - 3402 ) / 972 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{11} + 4\nu^{9} - 10\nu^{7} + 6\nu^{5} - 90\nu^{3} + 81\nu ) / 243 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -\nu^{11} - \nu^{9} + \nu^{7} + 19\nu^{5} - 123\nu^{3} + 117\nu ) / 216 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( -19\nu^{11} + 157\nu^{9} - 109\nu^{7} + 33\nu^{5} - 1305\nu^{3} + 14175\nu ) / 3888 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 5 \nu^{11} + 15 \nu^{10} - 11 \nu^{9} - 33 \nu^{8} + 11 \nu^{7} + 33 \nu^{6} + 9 \nu^{5} + 27 \nu^{4} + \cdots - 2619 ) / 864 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 5 \nu^{11} + 15 \nu^{10} + 11 \nu^{9} - 33 \nu^{8} - 11 \nu^{7} + 33 \nu^{6} - 9 \nu^{5} + \cdots - 2619 ) / 864 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 5\nu^{11} - 29\nu^{9} + 5\nu^{7} - 39\nu^{5} + 423\nu^{3} - 2187\nu ) / 486 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{11} + 2\beta_{8} + \beta_{7} - \beta_{6} ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{10} + 2\beta_{9} - \beta_{5} - \beta_{4} - \beta_{3} + 2\beta_{2} + 3\beta_1 ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 2\beta_{11} + 3\beta_{10} - 3\beta_{9} + \beta_{8} - \beta_{7} - 5\beta_{6} + 3\beta_{5} - 3\beta_{4} ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 7\beta_{10} + 7\beta_{9} - 5\beta_{5} - 5\beta_{4} - 2\beta_{3} - 2\beta_{2} - 9\beta _1 + 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -2\beta_{11} - 3\beta_{10} + 3\beta_{9} - 7\beta_{8} + 10\beta_{7} - 7\beta_{6} + 15\beta_{5} - 15\beta_{4} ) / 3 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 14\beta_{10} + 14\beta_{9} - 13\beta_{5} - 13\beta_{4} + 17\beta_{3} - 13\beta_{2} + 42\beta _1 - 33 ) / 3 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( -49\beta_{11} + 3\beta_{10} - 3\beta_{9} - 53\beta_{8} - 16\beta_{7} - 47\beta_{6} - 6\beta_{5} + 6\beta_{4} ) / 3 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( -11\beta_{10} - 11\beta_{9} + 10\beta_{5} + 10\beta_{4} - 8\beta_{3} - 2\beta_{2} + 87\beta _1 - 270 ) / 3 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( -119\beta_{11} - 21\beta_{10} + 21\beta_{9} - 127\beta_{8} - 125\beta_{7} + 50\beta_{6} + 6\beta_{5} - 6\beta_{4} ) / 3 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( -160\beta_{10} - 160\beta_{9} + 149\beta_{5} + 149\beta_{4} + 38\beta_{3} - 151\beta_{2} - 153\beta _1 - 3 ) / 3 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 97 \beta_{11} - 402 \beta_{10} + 402 \beta_{9} + 52 \beta_{8} - 109 \beta_{7} + 268 \beta_{6} + \cdots + 96 \beta_{4} ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2160\mathbb{Z}\right)^\times\).

\(n\) \(271\) \(1297\) \(1621\) \(2081\)
\(\chi(n)\) \(1\) \(-1\) \(1\) \(-1 + \beta_{1}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
289.1
0.690466 1.58848i
1.54493 + 0.783067i
−1.54493 0.783067i
−1.62372 + 0.602950i
−0.690466 + 1.58848i
1.62372 0.602950i
0.690466 + 1.58848i
1.54493 0.783067i
−1.54493 + 0.783067i
−1.62372 0.602950i
−0.690466 1.58848i
1.62372 + 0.602950i
0 0 0 −1.99531 + 1.00932i 0 1.11574 + 0.644175i 0 0 0
289.2 0 0 0 −1.40690 1.73800i 0 1.96151 + 1.13248i 0 0 0
289.3 0 0 0 −0.801701 2.08741i 0 −1.96151 1.13248i 0 0 0
289.4 0 0 0 −0.194047 + 2.22763i 0 3.26460 + 1.88482i 0 0 0
289.5 0 0 0 1.87175 1.22333i 0 −1.11574 0.644175i 0 0 0
289.6 0 0 0 2.02621 + 0.945767i 0 −3.26460 1.88482i 0 0 0
1009.1 0 0 0 −1.99531 1.00932i 0 1.11574 0.644175i 0 0 0
1009.2 0 0 0 −1.40690 + 1.73800i 0 1.96151 1.13248i 0 0 0
1009.3 0 0 0 −0.801701 + 2.08741i 0 −1.96151 + 1.13248i 0 0 0
1009.4 0 0 0 −0.194047 2.22763i 0 3.26460 1.88482i 0 0 0
1009.5 0 0 0 1.87175 + 1.22333i 0 −1.11574 + 0.644175i 0 0 0
1009.6 0 0 0 2.02621 0.945767i 0 −3.26460 + 1.88482i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 289.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner
9.c even 3 1 inner
45.j even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2160.2.by.e 12
3.b odd 2 1 720.2.by.e 12
4.b odd 2 1 540.2.r.a 12
5.b even 2 1 inner 2160.2.by.e 12
9.c even 3 1 inner 2160.2.by.e 12
9.d odd 6 1 720.2.by.e 12
12.b even 2 1 180.2.r.a 12
15.d odd 2 1 720.2.by.e 12
20.d odd 2 1 540.2.r.a 12
20.e even 4 2 2700.2.i.f 12
36.f odd 6 1 540.2.r.a 12
36.f odd 6 1 1620.2.d.d 6
36.h even 6 1 180.2.r.a 12
36.h even 6 1 1620.2.d.c 6
45.h odd 6 1 720.2.by.e 12
45.j even 6 1 inner 2160.2.by.e 12
60.h even 2 1 180.2.r.a 12
60.l odd 4 2 900.2.i.f 12
180.n even 6 1 180.2.r.a 12
180.n even 6 1 1620.2.d.c 6
180.p odd 6 1 540.2.r.a 12
180.p odd 6 1 1620.2.d.d 6
180.v odd 12 2 900.2.i.f 12
180.v odd 12 2 8100.2.a.bc 6
180.x even 12 2 2700.2.i.f 12
180.x even 12 2 8100.2.a.bd 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
180.2.r.a 12 12.b even 2 1
180.2.r.a 12 36.h even 6 1
180.2.r.a 12 60.h even 2 1
180.2.r.a 12 180.n even 6 1
540.2.r.a 12 4.b odd 2 1
540.2.r.a 12 20.d odd 2 1
540.2.r.a 12 36.f odd 6 1
540.2.r.a 12 180.p odd 6 1
720.2.by.e 12 3.b odd 2 1
720.2.by.e 12 9.d odd 6 1
720.2.by.e 12 15.d odd 2 1
720.2.by.e 12 45.h odd 6 1
900.2.i.f 12 60.l odd 4 2
900.2.i.f 12 180.v odd 12 2
1620.2.d.c 6 36.h even 6 1
1620.2.d.c 6 180.n even 6 1
1620.2.d.d 6 36.f odd 6 1
1620.2.d.d 6 180.p odd 6 1
2160.2.by.e 12 1.a even 1 1 trivial
2160.2.by.e 12 5.b even 2 1 inner
2160.2.by.e 12 9.c even 3 1 inner
2160.2.by.e 12 45.j even 6 1 inner
2700.2.i.f 12 20.e even 4 2
2700.2.i.f 12 180.x even 12 2
8100.2.a.bc 6 180.v odd 12 2
8100.2.a.bd 6 180.x even 12 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2160, [\chi])\):

\( T_{7}^{12} - 21T_{7}^{10} + 336T_{7}^{8} - 1963T_{7}^{6} + 8484T_{7}^{4} - 12705T_{7}^{2} + 14641 \) Copy content Toggle raw display
\( T_{11}^{6} - T_{11}^{5} + 23T_{11}^{4} - 70T_{11}^{3} + 530T_{11}^{2} - 1012T_{11} + 2116 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( T^{12} + T^{11} + \cdots + 15625 \) Copy content Toggle raw display
$7$ \( T^{12} - 21 T^{10} + \cdots + 14641 \) Copy content Toggle raw display
$11$ \( (T^{6} - T^{5} + 23 T^{4} + \cdots + 2116)^{2} \) Copy content Toggle raw display
$13$ \( T^{12} - 39 T^{10} + \cdots + 104976 \) Copy content Toggle raw display
$17$ \( (T^{6} + 36 T^{4} + \cdots + 64)^{2} \) Copy content Toggle raw display
$19$ \( (T^{3} - 42 T - 72)^{4} \) Copy content Toggle raw display
$23$ \( T^{12} + \cdots + 815730721 \) Copy content Toggle raw display
$29$ \( (T^{2} - 3 T + 9)^{6} \) Copy content Toggle raw display
$31$ \( (T^{6} + 3 T^{5} + \cdots + 128164)^{2} \) Copy content Toggle raw display
$37$ \( (T^{6} + 60 T^{4} + \cdots + 256)^{2} \) Copy content Toggle raw display
$41$ \( (T^{6} + 7 T^{5} + \cdots + 9409)^{2} \) Copy content Toggle raw display
$43$ \( T^{12} + \cdots + 8318169616 \) Copy content Toggle raw display
$47$ \( T^{12} - 105 T^{10} + \cdots + 923521 \) Copy content Toggle raw display
$53$ \( (T^{6} + 264 T^{4} + \cdots + 331776)^{2} \) Copy content Toggle raw display
$59$ \( (T^{6} + 17 T^{5} + \cdots + 7744)^{2} \) Copy content Toggle raw display
$61$ \( (T^{6} - 3 T^{5} + \cdots + 961)^{2} \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 214358881 \) Copy content Toggle raw display
$71$ \( (T^{3} - 42 T - 72)^{4} \) Copy content Toggle raw display
$73$ \( (T^{6} + 384 T^{4} + \cdots + 369664)^{2} \) Copy content Toggle raw display
$79$ \( (T^{6} - 3 T^{5} + \cdots + 11664)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 3637263079921 \) Copy content Toggle raw display
$89$ \( (T^{3} + 28 T^{2} + \cdots + 662)^{4} \) Copy content Toggle raw display
$97$ \( T^{12} + \cdots + 3102044416 \) Copy content Toggle raw display
show more
show less