Properties

Label 189.2.a.d
Level $189$
Weight $2$
Character orbit 189.a
Self dual yes
Analytic conductor $1.509$
Analytic rank $0$
Dimension $1$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [189,2,Mod(1,189)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(189, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([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("189.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 189 = 3^{3} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 189.a (trivial)

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: yes
Analytic conductor: \(1.50917259820\)
Analytic rank: \(0\)
Dimension: \(1\)
Coefficient field: \(\mathbb{Q}\)
Coefficient ring: \(\mathbb{Z}\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 
\(f(q)\) \(=\) \( q + 2 q^{2} + 2 q^{4} + q^{5} - q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + 2 q^{2} + 2 q^{4} + q^{5} - q^{7} + 2 q^{10} + 4 q^{11} - 2 q^{13} - 2 q^{14} - 4 q^{16} - 3 q^{17} - 8 q^{19} + 2 q^{20} + 8 q^{22} + 6 q^{23} - 4 q^{25} - 4 q^{26} - 2 q^{28} + 4 q^{29} + 6 q^{31} - 8 q^{32} - 6 q^{34} - q^{35} - 3 q^{37} - 16 q^{38} - q^{41} + 11 q^{43} + 8 q^{44} + 12 q^{46} - 9 q^{47} + q^{49} - 8 q^{50} - 4 q^{52} - 6 q^{53} + 4 q^{55} + 8 q^{58} + 15 q^{59} + 4 q^{61} + 12 q^{62} - 8 q^{64} - 2 q^{65} - 8 q^{67} - 6 q^{68} - 2 q^{70} + 12 q^{71} + 6 q^{73} - 6 q^{74} - 16 q^{76} - 4 q^{77} - q^{79} - 4 q^{80} - 2 q^{82} + 9 q^{83} - 3 q^{85} + 22 q^{86} - 2 q^{89} + 2 q^{91} + 12 q^{92} - 18 q^{94} - 8 q^{95} + 12 q^{97} + 2 q^{98}+O(q^{100}) \) Copy content Toggle raw display

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0
2.00000 0 2.00000 1.00000 0 −1.00000 0 0 2.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)
\(7\) \(1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 189.2.a.d yes 1
3.b odd 2 1 189.2.a.a 1
4.b odd 2 1 3024.2.a.u 1
5.b even 2 1 4725.2.a.c 1
7.b odd 2 1 1323.2.a.r 1
9.c even 3 2 567.2.f.a 2
9.d odd 6 2 567.2.f.h 2
12.b even 2 1 3024.2.a.l 1
15.d odd 2 1 4725.2.a.s 1
21.c even 2 1 1323.2.a.b 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
189.2.a.a 1 3.b odd 2 1
189.2.a.d yes 1 1.a even 1 1 trivial
567.2.f.a 2 9.c even 3 2
567.2.f.h 2 9.d odd 6 2
1323.2.a.b 1 21.c even 2 1
1323.2.a.r 1 7.b odd 2 1
3024.2.a.l 1 12.b even 2 1
3024.2.a.u 1 4.b odd 2 1
4725.2.a.c 1 5.b even 2 1
4725.2.a.s 1 15.d odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(189))\):

\( T_{2} - 2 \) Copy content Toggle raw display
\( T_{5} - 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 2 \) Copy content Toggle raw display
$3$ \( T \) Copy content Toggle raw display
$5$ \( T - 1 \) Copy content Toggle raw display
$7$ \( T + 1 \) Copy content Toggle raw display
$11$ \( T - 4 \) Copy content Toggle raw display
$13$ \( T + 2 \) Copy content Toggle raw display
$17$ \( T + 3 \) Copy content Toggle raw display
$19$ \( T + 8 \) Copy content Toggle raw display
$23$ \( T - 6 \) Copy content Toggle raw display
$29$ \( T - 4 \) Copy content Toggle raw display
$31$ \( T - 6 \) Copy content Toggle raw display
$37$ \( T + 3 \) Copy content Toggle raw display
$41$ \( T + 1 \) Copy content Toggle raw display
$43$ \( T - 11 \) Copy content Toggle raw display
$47$ \( T + 9 \) Copy content Toggle raw display
$53$ \( T + 6 \) Copy content Toggle raw display
$59$ \( T - 15 \) Copy content Toggle raw display
$61$ \( T - 4 \) Copy content Toggle raw display
$67$ \( T + 8 \) Copy content Toggle raw display
$71$ \( T - 12 \) Copy content Toggle raw display
$73$ \( T - 6 \) Copy content Toggle raw display
$79$ \( T + 1 \) Copy content Toggle raw display
$83$ \( T - 9 \) Copy content Toggle raw display
$89$ \( T + 2 \) Copy content Toggle raw display
$97$ \( T - 12 \) Copy content Toggle raw display
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