Properties

Label 7616.2.a.p
Level 76167616
Weight 22
Character orbit 7616.a
Self dual yes
Analytic conductor 60.81460.814
Analytic rank 00
Dimension 22
CM no
Inner twists 11

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [7616,2,Mod(1,7616)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7616, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 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("7616.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: N N == 7616=26717 7616 = 2^{6} \cdot 7 \cdot 17
Weight: k k == 2 2
Character orbit: [χ][\chi] == 7616.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: 60.814066179460.8140661794
Analytic rank: 00
Dimension: 22
Coefficient field: Q(5)\Q(\sqrt{5})
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: x2x1 x^{2} - x - 1 Copy content Toggle raw display
Coefficient ring: Z[a1,a2,a3]\Z[a_1, a_2, a_3]
Coefficient ring index: 1 1
Twist minimal: no (minimal twist has level 476)
Fricke sign: 1-1
Sato-Tate group: SU(2)\mathrm{SU}(2)

qq-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the qq-expansion are expressed in terms of β=12(1+5)\beta = \frac{1}{2}(1 + \sqrt{5}). We also show the integral qq-expansion of the trace form.

f(q)f(q) == qβq3+(β+1)q5+q7+(β2)q9+(2β4)q11+(2β+2)q13+q15+q17+(4β2)q19βq21+(6β2)q23++(6β+10)q99+O(q100) q - \beta q^{3} + ( - \beta + 1) q^{5} + q^{7} + (\beta - 2) q^{9} + (2 \beta - 4) q^{11} + ( - 2 \beta + 2) q^{13} + q^{15} + q^{17} + ( - 4 \beta - 2) q^{19} - \beta q^{21} + (6 \beta - 2) q^{23} + \cdots + ( - 6 \beta + 10) q^{99} +O(q^{100}) Copy content Toggle raw display
Tr(f)(q)\operatorname{Tr}(f)(q) == 2qq3+q5+2q73q96q11+2q13+2q15+2q178q19q21+2q237q25+2q272q29+3q312q33+q35+8q37+4q39++14q99+O(q100) 2 q - q^{3} + q^{5} + 2 q^{7} - 3 q^{9} - 6 q^{11} + 2 q^{13} + 2 q^{15} + 2 q^{17} - 8 q^{19} - q^{21} + 2 q^{23} - 7 q^{25} + 2 q^{27} - 2 q^{29} + 3 q^{31} - 2 q^{33} + q^{35} + 8 q^{37} + 4 q^{39}+ \cdots + 14 q^{99}+O(q^{100}) Copy content Toggle raw display

Embeddings

For each embedding ιm\iota_m of the coefficient field, the values ιm(an)\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   ιm(ν)\iota_m(\nu) a2 a_{2} a3 a_{3} a4 a_{4} a5 a_{5} a6 a_{6} a7 a_{7} a8 a_{8} a9 a_{9} a10 a_{10}
1.1
1.61803
−0.618034
0 −1.61803 0 −0.618034 0 1.00000 0 −0.381966 0
1.2 0 0.618034 0 1.61803 0 1.00000 0 −2.61803 0
nn: e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

p p Sign
22 1 -1
77 1 -1
1717 1 -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 7616.2.a.p 2
4.b odd 2 1 7616.2.a.u 2
8.b even 2 1 1904.2.a.j 2
8.d odd 2 1 476.2.a.b 2
24.f even 2 1 4284.2.a.m 2
56.e even 2 1 3332.2.a.l 2
136.e odd 2 1 8092.2.a.m 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
476.2.a.b 2 8.d odd 2 1
1904.2.a.j 2 8.b even 2 1
3332.2.a.l 2 56.e even 2 1
4284.2.a.m 2 24.f even 2 1
7616.2.a.p 2 1.a even 1 1 trivial
7616.2.a.u 2 4.b odd 2 1
8092.2.a.m 2 136.e odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on S2new(Γ0(7616))S_{2}^{\mathrm{new}}(\Gamma_0(7616)):

T32+T31 T_{3}^{2} + T_{3} - 1 Copy content Toggle raw display
T52T51 T_{5}^{2} - T_{5} - 1 Copy content Toggle raw display
T112+6T11+4 T_{11}^{2} + 6T_{11} + 4 Copy content Toggle raw display
T192+8T194 T_{19}^{2} + 8T_{19} - 4 Copy content Toggle raw display

Hecke characteristic polynomials

pp Fp(T)F_p(T)
22 T2 T^{2} Copy content Toggle raw display
33 T2+T1 T^{2} + T - 1 Copy content Toggle raw display
55 T2T1 T^{2} - T - 1 Copy content Toggle raw display
77 (T1)2 (T - 1)^{2} Copy content Toggle raw display
1111 T2+6T+4 T^{2} + 6T + 4 Copy content Toggle raw display
1313 T22T4 T^{2} - 2T - 4 Copy content Toggle raw display
1717 (T1)2 (T - 1)^{2} Copy content Toggle raw display
1919 T2+8T4 T^{2} + 8T - 4 Copy content Toggle raw display
2323 T22T44 T^{2} - 2T - 44 Copy content Toggle raw display
2929 T2+2T44 T^{2} + 2T - 44 Copy content Toggle raw display
3131 T23T59 T^{2} - 3T - 59 Copy content Toggle raw display
3737 T28T4 T^{2} - 8T - 4 Copy content Toggle raw display
4141 T211T1 T^{2} - 11T - 1 Copy content Toggle raw display
4343 T2+13T+11 T^{2} + 13T + 11 Copy content Toggle raw display
4747 T28T4 T^{2} - 8T - 4 Copy content Toggle raw display
5353 T23T149 T^{2} - 3T - 149 Copy content Toggle raw display
5959 T2 T^{2} Copy content Toggle raw display
6161 T2+T61 T^{2} + T - 61 Copy content Toggle raw display
6767 T2+15T+25 T^{2} + 15T + 25 Copy content Toggle raw display
7171 T2+4T76 T^{2} + 4T - 76 Copy content Toggle raw display
7373 T221T+99 T^{2} - 21T + 99 Copy content Toggle raw display
7979 T212T44 T^{2} - 12T - 44 Copy content Toggle raw display
8383 T24T176 T^{2} - 4T - 176 Copy content Toggle raw display
8989 (T2)2 (T - 2)^{2} Copy content Toggle raw display
9797 T219T+59 T^{2} - 19T + 59 Copy content Toggle raw display
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