Properties

Label 5776.2.a.z
Level $5776$
Weight $2$
Character orbit 5776.a
Self dual yes
Analytic conductor $46.122$
Analytic rank $1$
Dimension $2$
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] = [5776,2,Mod(1,5776)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(5776, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 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("5776.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 5776 = 2^{4} \cdot 19^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 5776.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: \(46.1215922075\)
Analytic rank: \(1\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{7}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 7 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 38)
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)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \sqrt{7}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta q^{3} + ( - \beta + 1) q^{5} + ( - \beta - 1) q^{7} + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta q^{3} + ( - \beta + 1) q^{5} + ( - \beta - 1) q^{7} + 4 q^{9} + (\beta + 2) q^{11} - 2 q^{13} + (\beta - 7) q^{15} + ( - \beta - 7) q^{21} + (\beta - 1) q^{23} + ( - 2 \beta + 3) q^{25} + \beta q^{27} + ( - \beta + 1) q^{29} + ( - \beta - 3) q^{31} + (2 \beta + 7) q^{33} + 6 q^{35} + (\beta - 3) q^{37} - 2 \beta q^{39} + (2 \beta - 5) q^{41} + ( - 2 \beta - 6) q^{43} + ( - 4 \beta + 4) q^{45} + (\beta - 7) q^{47} + (2 \beta + 1) q^{49} + (4 \beta + 2) q^{53} + ( - \beta - 5) q^{55} - 3 \beta q^{59} + (3 \beta - 7) q^{61} + ( - 4 \beta - 4) q^{63} + (2 \beta - 2) q^{65} + (\beta - 2) q^{67} + ( - \beta + 7) q^{69} + (2 \beta - 8) q^{71} + ( - 2 \beta + 7) q^{73} + (3 \beta - 14) q^{75} + ( - 3 \beta - 9) q^{77} - 4 q^{79} - 5 q^{81} - 3 \beta q^{83} + (\beta - 7) q^{87} + (2 \beta + 2) q^{91} + ( - 3 \beta - 7) q^{93} + ( - 2 \beta + 9) q^{97} + (4 \beta + 8) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{5} - 2 q^{7} + 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{5} - 2 q^{7} + 8 q^{9} + 4 q^{11} - 4 q^{13} - 14 q^{15} - 14 q^{21} - 2 q^{23} + 6 q^{25} + 2 q^{29} - 6 q^{31} + 14 q^{33} + 12 q^{35} - 6 q^{37} - 10 q^{41} - 12 q^{43} + 8 q^{45} - 14 q^{47} + 2 q^{49} + 4 q^{53} - 10 q^{55} - 14 q^{61} - 8 q^{63} - 4 q^{65} - 4 q^{67} + 14 q^{69} - 16 q^{71} + 14 q^{73} - 28 q^{75} - 18 q^{77} - 8 q^{79} - 10 q^{81} - 14 q^{87} + 4 q^{91} - 14 q^{93} + 18 q^{97} + 16 q^{99}+O(q^{100}) \) 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
−2.64575
2.64575
0 −2.64575 0 3.64575 0 1.64575 0 4.00000 0
1.2 0 2.64575 0 −1.64575 0 −3.64575 0 4.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(19\) \(-1\)

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 5776.2.a.z 2
4.b odd 2 1 722.2.a.g 2
12.b even 2 1 6498.2.a.bg 2
19.b odd 2 1 5776.2.a.ba 2
19.d odd 6 2 304.2.i.e 4
57.f even 6 2 2736.2.s.v 4
76.d even 2 1 722.2.a.j 2
76.f even 6 2 38.2.c.b 4
76.g odd 6 2 722.2.c.j 4
76.k even 18 6 722.2.e.n 12
76.l odd 18 6 722.2.e.o 12
152.l odd 6 2 1216.2.i.k 4
152.o even 6 2 1216.2.i.l 4
228.b odd 2 1 6498.2.a.ba 2
228.n odd 6 2 342.2.g.f 4
380.s even 6 2 950.2.e.k 4
380.w odd 12 4 950.2.j.g 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
38.2.c.b 4 76.f even 6 2
304.2.i.e 4 19.d odd 6 2
342.2.g.f 4 228.n odd 6 2
722.2.a.g 2 4.b odd 2 1
722.2.a.j 2 76.d even 2 1
722.2.c.j 4 76.g odd 6 2
722.2.e.n 12 76.k even 18 6
722.2.e.o 12 76.l odd 18 6
950.2.e.k 4 380.s even 6 2
950.2.j.g 8 380.w odd 12 4
1216.2.i.k 4 152.l odd 6 2
1216.2.i.l 4 152.o even 6 2
2736.2.s.v 4 57.f even 6 2
5776.2.a.z 2 1.a even 1 1 trivial
5776.2.a.ba 2 19.b odd 2 1
6498.2.a.ba 2 228.b odd 2 1
6498.2.a.bg 2 12.b even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(5776))\):

\( T_{3}^{2} - 7 \) Copy content Toggle raw display
\( T_{5}^{2} - 2T_{5} - 6 \) Copy content Toggle raw display
\( T_{7}^{2} + 2T_{7} - 6 \) Copy content Toggle raw display
\( T_{11}^{2} - 4T_{11} - 3 \) Copy content Toggle raw display
\( T_{13} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} - 7 \) Copy content Toggle raw display
$5$ \( T^{2} - 2T - 6 \) Copy content Toggle raw display
$7$ \( T^{2} + 2T - 6 \) Copy content Toggle raw display
$11$ \( T^{2} - 4T - 3 \) Copy content Toggle raw display
$13$ \( (T + 2)^{2} \) Copy content Toggle raw display
$17$ \( T^{2} \) Copy content Toggle raw display
$19$ \( T^{2} \) Copy content Toggle raw display
$23$ \( T^{2} + 2T - 6 \) Copy content Toggle raw display
$29$ \( T^{2} - 2T - 6 \) Copy content Toggle raw display
$31$ \( T^{2} + 6T + 2 \) Copy content Toggle raw display
$37$ \( T^{2} + 6T + 2 \) Copy content Toggle raw display
$41$ \( T^{2} + 10T - 3 \) Copy content Toggle raw display
$43$ \( T^{2} + 12T + 8 \) Copy content Toggle raw display
$47$ \( T^{2} + 14T + 42 \) Copy content Toggle raw display
$53$ \( T^{2} - 4T - 108 \) Copy content Toggle raw display
$59$ \( T^{2} - 63 \) Copy content Toggle raw display
$61$ \( T^{2} + 14T - 14 \) Copy content Toggle raw display
$67$ \( T^{2} + 4T - 3 \) Copy content Toggle raw display
$71$ \( T^{2} + 16T + 36 \) Copy content Toggle raw display
$73$ \( T^{2} - 14T + 21 \) Copy content Toggle raw display
$79$ \( (T + 4)^{2} \) Copy content Toggle raw display
$83$ \( T^{2} - 63 \) Copy content Toggle raw display
$89$ \( T^{2} \) Copy content Toggle raw display
$97$ \( T^{2} - 18T + 53 \) Copy content Toggle raw display
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