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Properties

Label 729.2.e.q
Level $729$
Weight $2$
Character orbit 729.e
Analytic conductor $5.821$
Analytic rank $0$
Dimension $12$
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [729,2,Mod(82,729)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(729, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([8]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("729.82");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 729 = 3^{6} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 729.e (of order \(9\), degree \(6\), 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: \(5.82109430735\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(2\) over \(\Q(\zeta_{9})\)
Coefficient field: \(\Q(\zeta_{36})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - x^{6} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 3 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{9}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{9} q^{2} + ( - \beta_{4} + \beta_1 + 1) q^{4} + (\beta_{11} + \beta_{9}) q^{5} + ( - \beta_{3} + 2 \beta_1 - 1) q^{7} + (\beta_{11} - \beta_{10} + \cdots + 2 \beta_{2}) q^{8} + (2 \beta_{6} + 2 \beta_{5} - 2 \beta_{4} + \cdots + 2) q^{10}+ \cdots + ( - 4 \beta_{11} + 3 \beta_{10} + \cdots + \beta_{2}) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 6 q^{4} - 12 q^{7} + 12 q^{10} - 30 q^{13} + 18 q^{16} + 24 q^{19} - 30 q^{22} + 42 q^{25} - 12 q^{28} + 24 q^{31} - 36 q^{34} + 6 q^{37} + 6 q^{40} - 12 q^{43} - 6 q^{46} - 12 q^{49} - 18 q^{52}+ \cdots + 6 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{36}^{2} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{36}^{3} + \zeta_{36} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \zeta_{36}^{4} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \zeta_{36}^{6} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \zeta_{36}^{8} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \zeta_{36}^{10} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( \zeta_{36}^{11} + \zeta_{36} \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( -\zeta_{36}^{5} + \zeta_{36} \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( \zeta_{36}^{9} - \zeta_{36}^{3} + \zeta_{36} \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( -\zeta_{36}^{11} + \zeta_{36}^{5} + \zeta_{36} \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( -\zeta_{36}^{11} + \zeta_{36}^{7} \) Copy content Toggle raw display

Display \(\zeta_{36}^j\) in terms of \(\beta_i\)

\(\zeta_{36}\)\(=\) \( ( \beta_{10} + \beta_{8} + \beta_{7} ) / 3 \) Copy content Toggle raw display
\(\zeta_{36}^{2}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{36}^{3}\)\(=\) \( ( -\beta_{10} - \beta_{8} - \beta_{7} + 3\beta_{2} ) / 3 \) Copy content Toggle raw display
\(\zeta_{36}^{4}\)\(=\) \( \beta_{3} \) Copy content Toggle raw display
\(\zeta_{36}^{5}\)\(=\) \( ( \beta_{10} - 2\beta_{8} + \beta_{7} ) / 3 \) Copy content Toggle raw display
\(\zeta_{36}^{6}\)\(=\) \( \beta_{4} \) Copy content Toggle raw display
\(\zeta_{36}^{7}\)\(=\) \( ( 3\beta_{11} - \beta_{10} - \beta_{8} + 2\beta_{7} ) / 3 \) Copy content Toggle raw display
\(\zeta_{36}^{8}\)\(=\) \( \beta_{5} \) Copy content Toggle raw display
\(\zeta_{36}^{9}\)\(=\) \( ( -2\beta_{10} + 3\beta_{9} - 2\beta_{8} - 2\beta_{7} + 3\beta_{2} ) / 3 \) Copy content Toggle raw display
\(\zeta_{36}^{10}\)\(=\) \( \beta_{6} \) Copy content Toggle raw display
\(\zeta_{36}^{11}\)\(=\) \( ( -\beta_{10} - \beta_{8} + 2\beta_{7} ) / 3 \) Copy content Toggle raw display

Display \(\beta_i\) in terms of \(\zeta_{36}^j\)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/729\mathbb{Z}\right)^\times\).

\(n\) \(2\)
\(\chi(n)\) \(-\beta_{3} + \beta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
82.1
−0.984808 − 0.173648i
0.984808 + 0.173648i
−0.342020 + 0.939693i
0.342020 − 0.939693i
−0.642788 + 0.766044i
0.642788 − 0.766044i
−0.642788 − 0.766044i
0.642788 + 0.766044i
−0.342020 − 0.939693i
0.342020 + 0.939693i
−0.984808 + 0.173648i
0.984808 − 0.173648i
−0.118782 − 0.673648i 0 1.43969 − 0.524005i −0.802823 − 0.673648i 0 0.113341 + 0.0412527i −1.20805 − 2.09240i 0 −0.358441 + 0.620838i
82.2 0.118782 + 0.673648i 0 1.43969 − 0.524005i 0.802823 + 0.673648i 0 0.113341 + 0.0412527i 1.20805 + 2.09240i 0 −0.358441 + 0.620838i
163.1 −1.20805 + 0.439693i 0 −0.266044 + 0.223238i 0.0775297 + 0.439693i 0 −2.70574 − 2.27038i 1.50881 − 2.61334i 0 −0.286989 − 0.497079i
163.2 1.20805 − 0.439693i 0 −0.266044 + 0.223238i −0.0775297 − 0.439693i 0 −2.70574 − 2.27038i −1.50881 + 2.61334i 0 −0.286989 − 0.497079i
325.1 −1.50881 + 1.26604i 0 0.326352 − 1.85083i −3.47843 + 1.26604i 0 −0.407604 − 2.31164i −0.118782 − 0.205737i 0 3.64543 − 6.31407i
325.2 1.50881 − 1.26604i 0 0.326352 − 1.85083i 3.47843 − 1.26604i 0 −0.407604 − 2.31164i 0.118782 + 0.205737i 0 3.64543 − 6.31407i
406.1 −1.50881 − 1.26604i 0 0.326352 + 1.85083i −3.47843 − 1.26604i 0 −0.407604 + 2.31164i −0.118782 + 0.205737i 0 3.64543 + 6.31407i
406.2 1.50881 + 1.26604i 0 0.326352 + 1.85083i 3.47843 + 1.26604i 0 −0.407604 + 2.31164i 0.118782 − 0.205737i 0 3.64543 + 6.31407i
568.1 −1.20805 − 0.439693i 0 −0.266044 − 0.223238i 0.0775297 − 0.439693i 0 −2.70574 + 2.27038i 1.50881 + 2.61334i 0 −0.286989 + 0.497079i
568.2 1.20805 + 0.439693i 0 −0.266044 − 0.223238i −0.0775297 + 0.439693i 0 −2.70574 + 2.27038i −1.50881 − 2.61334i 0 −0.286989 + 0.497079i
649.1 −0.118782 + 0.673648i 0 1.43969 + 0.524005i −0.802823 + 0.673648i 0 0.113341 − 0.0412527i −1.20805 + 2.09240i 0 −0.358441 − 0.620838i
649.2 0.118782 − 0.673648i 0 1.43969 + 0.524005i 0.802823 − 0.673648i 0 0.113341 − 0.0412527i 1.20805 − 2.09240i 0 −0.358441 − 0.620838i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 82.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
27.e even 9 1 inner
27.f odd 18 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 729.2.e.q 12
3.b odd 2 1 inner 729.2.e.q 12
9.c even 3 1 729.2.e.m 12
9.c even 3 1 729.2.e.r 12
9.d odd 6 1 729.2.e.m 12
9.d odd 6 1 729.2.e.r 12
27.e even 9 1 729.2.a.c ✓ 6
27.e even 9 2 729.2.c.c 12
27.e even 9 1 729.2.e.m 12
27.e even 9 1 inner 729.2.e.q 12
27.e even 9 1 729.2.e.r 12
27.f odd 18 1 729.2.a.c ✓ 6
27.f odd 18 2 729.2.c.c 12
27.f odd 18 1 729.2.e.m 12
27.f odd 18 1 inner 729.2.e.q 12
27.f odd 18 1 729.2.e.r 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
729.2.a.c ✓ 6 27.e even 9 1
729.2.a.c ✓ 6 27.f odd 18 1
729.2.c.c 12 27.e even 9 2
729.2.c.c 12 27.f odd 18 2
729.2.e.m 12 9.c even 3 1
729.2.e.m 12 9.d odd 6 1
729.2.e.m 12 27.e even 9 1
729.2.e.m 12 27.f odd 18 1
729.2.e.q 12 1.a even 1 1 trivial
729.2.e.q 12 3.b odd 2 1 inner
729.2.e.q 12 27.e even 9 1 inner
729.2.e.q 12 27.f odd 18 1 inner
729.2.e.r 12 9.c even 3 1
729.2.e.r 12 9.d odd 6 1
729.2.e.r 12 27.e even 9 1
729.2.e.r 12 27.f odd 18 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(729, [\chi])\):

\( T_{2}^{12} - 3T_{2}^{10} + 18T_{2}^{8} - 24T_{2}^{6} + 9T_{2}^{4} + 27T_{2}^{2} + 9 \) Copy content Toggle raw display
\( T_{5}^{12} - 21T_{5}^{10} + 189T_{5}^{8} - 24T_{5}^{6} + 198T_{5}^{4} + 81T_{5}^{2} + 9 \) Copy content Toggle raw display
\( T_{7}^{6} + 6T_{7}^{5} + 21T_{7}^{4} + 35T_{7}^{3} + 60T_{7}^{2} - 15T_{7} + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} - 3 T^{10} + \cdots + 9 \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( T^{12} - 21 T^{10} + \cdots + 9 \) Copy content Toggle raw display
$7$ \( (T^{6} + 6 T^{5} + 21 T^{4} + \cdots + 1)^{2} \) Copy content Toggle raw display
$11$ \( T^{12} - 3 T^{10} + \cdots + 1172889 \) Copy content Toggle raw display
$13$ \( (T^{6} + 15 T^{5} + \cdots + 5041)^{2} \) Copy content Toggle raw display
$17$ \( T^{12} + 81 T^{10} + \cdots + 95004009 \) Copy content Toggle raw display
$19$ \( (T^{6} - 12 T^{5} + \cdots + 361)^{2} \) Copy content Toggle raw display
$23$ \( T^{12} - 111 T^{10} + \cdots + 751689 \) Copy content Toggle raw display
$29$ \( T^{12} + 24 T^{10} + \cdots + 16867449 \) Copy content Toggle raw display
$31$ \( (T^{6} - 12 T^{5} + \cdots + 5329)^{2} \) Copy content Toggle raw display
$37$ \( (T^{6} - 3 T^{5} + \cdots + 289)^{2} \) Copy content Toggle raw display
$41$ \( T^{12} + 69 T^{10} + \cdots + 71014329 \) Copy content Toggle raw display
$43$ \( (T^{6} + 6 T^{5} + 48 T^{4} + \cdots + 64)^{2} \) Copy content Toggle raw display
$47$ \( T^{12} - 12 T^{10} + \cdots + 9 \) Copy content Toggle raw display
$53$ \( (T^{6} - 108 T^{4} + \cdots - 15552)^{2} \) Copy content Toggle raw display
$59$ \( T^{12} - 255 T^{10} + \cdots + 9 \) Copy content Toggle raw display
$61$ \( (T^{6} - 30 T^{5} + \cdots + 87616)^{2} \) Copy content Toggle raw display
$67$ \( (T^{6} - 39 T^{5} + \cdots + 63001)^{2} \) Copy content Toggle raw display
$71$ \( T^{12} + 72 T^{10} + \cdots + 2985984 \) Copy content Toggle raw display
$73$ \( (T^{6} + 6 T^{5} + \cdots + 7921)^{2} \) Copy content Toggle raw display
$79$ \( (T^{6} - 3 T^{5} + \cdots + 11449)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 2405238079689 \) Copy content Toggle raw display
$89$ \( T^{12} + 387 T^{10} + \cdots + 60886809 \) Copy content Toggle raw display
$97$ \( (T^{6} - 3 T^{5} + \cdots + 418609)^{2} \) Copy content Toggle raw display
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