Properties

Label 1089.3.c.f
Level $1089$
Weight $3$
Character orbit 1089.c
Analytic conductor $29.673$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1089,3,Mod(604,1089)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1089, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1089.604");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1089 = 3^{2} \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1089.c (of order \(2\), degree \(1\), 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: \(29.6731007888\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\sqrt{-2}, \sqrt{-3})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 2x^{2} + 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: yes
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{2} q^{2} + q^{4} - 2 \beta_{3} q^{5} - 5 \beta_1 q^{7} + 5 \beta_{2} q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{2} + q^{4} - 2 \beta_{3} q^{5} - 5 \beta_1 q^{7} + 5 \beta_{2} q^{8} - 6 \beta_1 q^{10} + 5 \beta_1 q^{13} + 5 \beta_{3} q^{14} - 11 q^{16} + 16 \beta_{2} q^{17} - 11 \beta_1 q^{19} - 2 \beta_{3} q^{20} + 10 \beta_{3} q^{23} - q^{25} - 5 \beta_{3} q^{26} - 5 \beta_1 q^{28} - 20 \beta_{2} q^{29} + 12 q^{31} + 9 \beta_{2} q^{32} - 48 q^{34} + 20 \beta_{2} q^{35} - 60 q^{37} + 11 \beta_{3} q^{38} - 30 \beta_1 q^{40} + 20 \beta_{2} q^{41} + 35 \beta_1 q^{43} + 30 \beta_1 q^{46} - 34 \beta_{3} q^{47} - q^{49} - \beta_{2} q^{50} + 5 \beta_1 q^{52} - 34 \beta_{3} q^{53} + 25 \beta_{3} q^{56} + 60 q^{58} - 20 \beta_{3} q^{59} - 19 \beta_1 q^{61} + 12 \beta_{2} q^{62} - 71 q^{64} - 20 \beta_{2} q^{65} - 120 q^{67} + 16 \beta_{2} q^{68} - 60 q^{70} + 10 \beta_{3} q^{71} - 85 \beta_1 q^{73} - 60 \beta_{2} q^{74} - 11 \beta_1 q^{76} + 91 \beta_1 q^{79} + 22 \beta_{3} q^{80} - 60 q^{82} + 44 \beta_{2} q^{83} - 96 \beta_1 q^{85} - 35 \beta_{3} q^{86} - 40 \beta_{3} q^{89} + 50 q^{91} + 10 \beta_{3} q^{92} - 102 \beta_1 q^{94} + 44 \beta_{2} q^{95} + 70 q^{97} - \beta_{2} q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 4 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 4 q^{4} - 44 q^{16} - 4 q^{25} + 48 q^{31} - 192 q^{34} - 240 q^{37} - 4 q^{49} + 240 q^{58} - 284 q^{64} - 480 q^{67} - 240 q^{70} - 240 q^{82} + 200 q^{91} + 280 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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

\(\beta_{1}\)\(=\) \( ( \nu^{3} ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 1 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{3} + 4\nu ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{3} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + 1 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 2\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1089\mathbb{Z}\right)^\times\).

\(n\) \(244\) \(848\)
\(\chi(n)\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
604.1
1.22474 0.707107i
−1.22474 + 0.707107i
1.22474 + 0.707107i
−1.22474 0.707107i
1.73205i 0 1.00000 −4.89898 0 7.07107i 8.66025i 0 8.48528i
604.2 1.73205i 0 1.00000 4.89898 0 7.07107i 8.66025i 0 8.48528i
604.3 1.73205i 0 1.00000 −4.89898 0 7.07107i 8.66025i 0 8.48528i
604.4 1.73205i 0 1.00000 4.89898 0 7.07107i 8.66025i 0 8.48528i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
11.b odd 2 1 inner
33.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1089.3.c.f 4
3.b odd 2 1 inner 1089.3.c.f 4
11.b odd 2 1 inner 1089.3.c.f 4
33.d even 2 1 inner 1089.3.c.f 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1089.3.c.f 4 1.a even 1 1 trivial
1089.3.c.f 4 3.b odd 2 1 inner
1089.3.c.f 4 11.b odd 2 1 inner
1089.3.c.f 4 33.d even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{2} + 3 \) acting on \(S_{3}^{\mathrm{new}}(1089, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 3)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( (T^{2} - 24)^{2} \) Copy content Toggle raw display
$7$ \( (T^{2} + 50)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} + 50)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} + 768)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 242)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} - 600)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 1200)^{2} \) Copy content Toggle raw display
$31$ \( (T - 12)^{4} \) Copy content Toggle raw display
$37$ \( (T + 60)^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} + 1200)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} + 2450)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} - 6936)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} - 6936)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} - 2400)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 722)^{2} \) Copy content Toggle raw display
$67$ \( (T + 120)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} - 600)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 14450)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 16562)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} + 5808)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} - 9600)^{2} \) Copy content Toggle raw display
$97$ \( (T - 70)^{4} \) Copy content Toggle raw display
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