Properties

Label 106.2.a.c
Level $106$
Weight $2$
Character orbit 106.a
Self dual yes
Analytic conductor $0.846$
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] = [106,2,Mod(1,106)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(106, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("106.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 106 = 2 \cdot 53 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 106.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: \(0.846414261426\)
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)
 
\(f(q)\) \(=\) \( q + q^{2} - 2 q^{3} + q^{4} + 3 q^{5} - 2 q^{6} + 2 q^{7} + q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} - 2 q^{3} + q^{4} + 3 q^{5} - 2 q^{6} + 2 q^{7} + q^{8} + q^{9} + 3 q^{10} - 3 q^{11} - 2 q^{12} - 4 q^{13} + 2 q^{14} - 6 q^{15} + q^{16} + 3 q^{17} + q^{18} - 4 q^{19} + 3 q^{20} - 4 q^{21} - 3 q^{22} - 9 q^{23} - 2 q^{24} + 4 q^{25} - 4 q^{26} + 4 q^{27} + 2 q^{28} + 6 q^{29} - 6 q^{30} + 5 q^{31} + q^{32} + 6 q^{33} + 3 q^{34} + 6 q^{35} + q^{36} - 10 q^{37} - 4 q^{38} + 8 q^{39} + 3 q^{40} + 6 q^{41} - 4 q^{42} - q^{43} - 3 q^{44} + 3 q^{45} - 9 q^{46} - 2 q^{48} - 3 q^{49} + 4 q^{50} - 6 q^{51} - 4 q^{52} - q^{53} + 4 q^{54} - 9 q^{55} + 2 q^{56} + 8 q^{57} + 6 q^{58} + 15 q^{59} - 6 q^{60} - 10 q^{61} + 5 q^{62} + 2 q^{63} + q^{64} - 12 q^{65} + 6 q^{66} - 4 q^{67} + 3 q^{68} + 18 q^{69} + 6 q^{70} + 12 q^{71} + q^{72} + 8 q^{73} - 10 q^{74} - 8 q^{75} - 4 q^{76} - 6 q^{77} + 8 q^{78} + 11 q^{79} + 3 q^{80} - 11 q^{81} + 6 q^{82} - 6 q^{83} - 4 q^{84} + 9 q^{85} - q^{86} - 12 q^{87} - 3 q^{88} + 9 q^{89} + 3 q^{90} - 8 q^{91} - 9 q^{92} - 10 q^{93} - 12 q^{95} - 2 q^{96} - 13 q^{97} - 3 q^{98} - 3 q^{99}+O(q^{100}) \) 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
1.00000 −2.00000 1.00000 3.00000 −2.00000 2.00000 1.00000 1.00000 3.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(53\) \(1\)

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 106.2.a.c 1
3.b odd 2 1 954.2.a.a 1
4.b odd 2 1 848.2.a.f 1
5.b even 2 1 2650.2.a.e 1
5.c odd 4 2 2650.2.b.a 2
7.b odd 2 1 5194.2.a.p 1
8.b even 2 1 3392.2.a.o 1
8.d odd 2 1 3392.2.a.c 1
12.b even 2 1 7632.2.a.c 1
53.b even 2 1 5618.2.a.d 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
106.2.a.c 1 1.a even 1 1 trivial
848.2.a.f 1 4.b odd 2 1
954.2.a.a 1 3.b odd 2 1
2650.2.a.e 1 5.b even 2 1
2650.2.b.a 2 5.c odd 4 2
3392.2.a.c 1 8.d odd 2 1
3392.2.a.o 1 8.b even 2 1
5194.2.a.p 1 7.b odd 2 1
5618.2.a.d 1 53.b even 2 1
7632.2.a.c 1 12.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3} + 2 \) acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(106))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T - 1 \) Copy content Toggle raw display
$3$ \( T + 2 \) Copy content Toggle raw display
$5$ \( T - 3 \) Copy content Toggle raw display
$7$ \( T - 2 \) Copy content Toggle raw display
$11$ \( T + 3 \) Copy content Toggle raw display
$13$ \( T + 4 \) Copy content Toggle raw display
$17$ \( T - 3 \) Copy content Toggle raw display
$19$ \( T + 4 \) Copy content Toggle raw display
$23$ \( T + 9 \) Copy content Toggle raw display
$29$ \( T - 6 \) Copy content Toggle raw display
$31$ \( T - 5 \) Copy content Toggle raw display
$37$ \( T + 10 \) Copy content Toggle raw display
$41$ \( T - 6 \) Copy content Toggle raw display
$43$ \( T + 1 \) Copy content Toggle raw display
$47$ \( T \) Copy content Toggle raw display
$53$ \( T + 1 \) Copy content Toggle raw display
$59$ \( T - 15 \) Copy content Toggle raw display
$61$ \( T + 10 \) Copy content Toggle raw display
$67$ \( T + 4 \) Copy content Toggle raw display
$71$ \( T - 12 \) Copy content Toggle raw display
$73$ \( T - 8 \) Copy content Toggle raw display
$79$ \( T - 11 \) Copy content Toggle raw display
$83$ \( T + 6 \) Copy content Toggle raw display
$89$ \( T - 9 \) Copy content Toggle raw display
$97$ \( T + 13 \) Copy content Toggle raw display
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