Properties

Label 1296.3.o.x
Level $1296$
Weight $3$
Character orbit 1296.o
Analytic conductor $35.313$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1296,3,Mod(271,1296)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1296, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 0, 2]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1296.271");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1296 = 2^{4} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1296.o (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: \(35.3134422611\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{5})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} + 2x^{2} + x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{2}\cdot 3^{2} \)
Twist minimal: no (minimal twist has level 432)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{5} + (\beta_{3} - \beta_{2}) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{5} + (\beta_{3} - \beta_{2}) q^{7} + ( - 9 \beta_1 - 9) q^{11} + 8 \beta_1 q^{13} + 4 \beta_{3} q^{17} + ( - 2 \beta_{3} - 4 \beta_{2}) q^{19} + ( - 18 \beta_1 + 36) q^{23} + (20 \beta_1 - 20) q^{25} + (2 \beta_{3} + 2 \beta_{2}) q^{29} + (2 \beta_{3} + \beta_{2}) q^{31} + (90 \beta_1 - 45) q^{35} + 2 q^{37} - 6 \beta_{2} q^{41} + ( - 2 \beta_{3} + 2 \beta_{2}) q^{43} + ( - 18 \beta_1 - 18) q^{47} + 86 \beta_1 q^{49} - 3 \beta_{3} q^{53} + (9 \beta_{3} + 18 \beta_{2}) q^{55} + ( - 36 \beta_1 + 72) q^{59} + (104 \beta_1 - 104) q^{61} + ( - 8 \beta_{3} - 8 \beta_{2}) q^{65} + ( - 12 \beta_{3} - 6 \beta_{2}) q^{67} + ( - 72 \beta_1 + 36) q^{71} + 61 q^{73} + 27 \beta_{2} q^{77} + ( - 8 \beta_{3} + 8 \beta_{2}) q^{79} + ( - 45 \beta_1 - 45) q^{83} + 180 \beta_1 q^{85} - 22 \beta_{3} q^{89} + ( - 8 \beta_{3} - 16 \beta_{2}) q^{91} + (90 \beta_1 - 180) q^{95} + (103 \beta_1 - 103) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 54 q^{11} + 16 q^{13} + 108 q^{23} - 40 q^{25} + 8 q^{37} - 108 q^{47} + 172 q^{49} + 216 q^{59} - 208 q^{61} + 244 q^{73} - 270 q^{83} + 360 q^{85} - 540 q^{95} - 206 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} + 2x^{2} + x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{3} + 2\nu^{2} - 2\nu + 1 ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 3\nu^{3} - 6\nu^{2} + 18\nu - 3 ) / 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 3\nu^{3} + 6 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + 3\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + \beta_{2} + 9\beta _1 - 9 ) / 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{3} - 6 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1296\mathbb{Z}\right)^\times\).

\(n\) \(325\) \(1135\) \(1217\)
\(\chi(n)\) \(1\) \(-1\) \(-\beta_{1}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
271.1
0.809017 1.40126i
−0.309017 + 0.535233i
0.809017 + 1.40126i
−0.309017 0.535233i
0 0 0 −3.35410 + 5.80948i 0 −10.0623 + 5.80948i 0 0 0
271.2 0 0 0 3.35410 5.80948i 0 10.0623 5.80948i 0 0 0
703.1 0 0 0 −3.35410 5.80948i 0 −10.0623 5.80948i 0 0 0
703.2 0 0 0 3.35410 + 5.80948i 0 10.0623 + 5.80948i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
9.d odd 6 1 inner
12.b even 2 1 inner
36.f odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1296.3.o.x 4
3.b odd 2 1 1296.3.o.y 4
4.b odd 2 1 1296.3.o.y 4
9.c even 3 1 432.3.g.e 4
9.c even 3 1 1296.3.o.y 4
9.d odd 6 1 432.3.g.e 4
9.d odd 6 1 inner 1296.3.o.x 4
12.b even 2 1 inner 1296.3.o.x 4
36.f odd 6 1 432.3.g.e 4
36.f odd 6 1 inner 1296.3.o.x 4
36.h even 6 1 432.3.g.e 4
36.h even 6 1 1296.3.o.y 4
72.j odd 6 1 1728.3.g.h 4
72.l even 6 1 1728.3.g.h 4
72.n even 6 1 1728.3.g.h 4
72.p odd 6 1 1728.3.g.h 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
432.3.g.e 4 9.c even 3 1
432.3.g.e 4 9.d odd 6 1
432.3.g.e 4 36.f odd 6 1
432.3.g.e 4 36.h even 6 1
1296.3.o.x 4 1.a even 1 1 trivial
1296.3.o.x 4 9.d odd 6 1 inner
1296.3.o.x 4 12.b even 2 1 inner
1296.3.o.x 4 36.f odd 6 1 inner
1296.3.o.y 4 3.b odd 2 1
1296.3.o.y 4 4.b odd 2 1
1296.3.o.y 4 9.c even 3 1
1296.3.o.y 4 36.h even 6 1
1728.3.g.h 4 72.j odd 6 1
1728.3.g.h 4 72.l even 6 1
1728.3.g.h 4 72.n even 6 1
1728.3.g.h 4 72.p odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1296, [\chi])\):

\( T_{5}^{4} + 45T_{5}^{2} + 2025 \) Copy content Toggle raw display
\( T_{7}^{4} - 135T_{7}^{2} + 18225 \) Copy content Toggle raw display
\( T_{11}^{2} + 27T_{11} + 243 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} + 45T^{2} + 2025 \) Copy content Toggle raw display
$7$ \( T^{4} - 135 T^{2} + 18225 \) Copy content Toggle raw display
$11$ \( (T^{2} + 27 T + 243)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - 8 T + 64)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} - 720)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 540)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} - 54 T + 972)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} + 180 T^{2} + 32400 \) Copy content Toggle raw display
$31$ \( T^{4} - 135 T^{2} + 18225 \) Copy content Toggle raw display
$37$ \( (T - 2)^{4} \) Copy content Toggle raw display
$41$ \( T^{4} + 1620 T^{2} + 2624400 \) Copy content Toggle raw display
$43$ \( T^{4} - 540 T^{2} + 291600 \) Copy content Toggle raw display
$47$ \( (T^{2} + 54 T + 972)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} - 405)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} - 108 T + 3888)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 104 T + 10816)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} - 4860 T^{2} + 23619600 \) Copy content Toggle raw display
$71$ \( (T^{2} + 3888)^{2} \) Copy content Toggle raw display
$73$ \( (T - 61)^{4} \) Copy content Toggle raw display
$79$ \( T^{4} - 8640 T^{2} + 74649600 \) Copy content Toggle raw display
$83$ \( (T^{2} + 135 T + 6075)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} - 21780)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} + 103 T + 10609)^{2} \) Copy content Toggle raw display
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