Properties

Label 1500.2.a.c
Level 15001500
Weight 22
Character orbit 1500.a
Self dual yes
Analytic conductor 11.97811.978
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] = [1500,2,Mod(1,1500)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1500, 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("1500.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: N N == 1500=22353 1500 = 2^{2} \cdot 3 \cdot 5^{3}
Weight: k k == 2 2
Character orbit: [χ][\chi] == 1500.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: 11.977560303211.9775603032
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,,a17]\Z[a_1, \ldots, a_{17}]
Coefficient ring index: 1 1
Twist minimal: yes
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) == qq3+2βq7+q9+(2β+2)q11+(β2)q17+(3β+1)q192βq213βq23q27+(4β+2)q29+(β+6)q31+(2β2)q33++(2β+2)q99+O(q100) q - q^{3} + 2 \beta q^{7} + q^{9} + ( - 2 \beta + 2) q^{11} + (\beta - 2) q^{17} + (3 \beta + 1) q^{19} - 2 \beta q^{21} - 3 \beta q^{23} - q^{27} + (4 \beta + 2) q^{29} + (\beta + 6) q^{31} + (2 \beta - 2) q^{33} + \cdots + ( - 2 \beta + 2) q^{99} +O(q^{100}) Copy content Toggle raw display
Tr(f)(q)\operatorname{Tr}(f)(q) == 2q2q3+2q7+2q9+2q113q17+5q192q213q232q27+8q29+13q312q334q37+2q437q472q49+3q51q535q57++2q99+O(q100) 2 q - 2 q^{3} + 2 q^{7} + 2 q^{9} + 2 q^{11} - 3 q^{17} + 5 q^{19} - 2 q^{21} - 3 q^{23} - 2 q^{27} + 8 q^{29} + 13 q^{31} - 2 q^{33} - 4 q^{37} + 2 q^{43} - 7 q^{47} - 2 q^{49} + 3 q^{51} - q^{53} - 5 q^{57}+ \cdots + 2 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
−0.618034
1.61803
0 −1.00000 0 0 0 −1.23607 0 1.00000 0
1.2 0 −1.00000 0 0 0 3.23607 0 1.00000 0
nn: e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

p p Sign
22 1 -1
33 +1 +1
55 +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 1500.2.a.c 2
3.b odd 2 1 4500.2.a.h 2
4.b odd 2 1 6000.2.a.s 2
5.b even 2 1 1500.2.a.g yes 2
5.c odd 4 2 1500.2.d.b 4
15.d odd 2 1 4500.2.a.d 2
15.e even 4 2 4500.2.d.a 4
20.d odd 2 1 6000.2.a.i 2
20.e even 4 2 6000.2.f.f 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1500.2.a.c 2 1.a even 1 1 trivial
1500.2.a.g yes 2 5.b even 2 1
1500.2.d.b 4 5.c odd 4 2
4500.2.a.d 2 15.d odd 2 1
4500.2.a.h 2 3.b odd 2 1
4500.2.d.a 4 15.e even 4 2
6000.2.a.i 2 20.d odd 2 1
6000.2.a.s 2 4.b odd 2 1
6000.2.f.f 4 20.e even 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on S2new(Γ0(1500))S_{2}^{\mathrm{new}}(\Gamma_0(1500)):

T722T74 T_{7}^{2} - 2T_{7} - 4 Copy content Toggle raw display
T1122T114 T_{11}^{2} - 2T_{11} - 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 (T+1)2 (T + 1)^{2} Copy content Toggle raw display
55 T2 T^{2} Copy content Toggle raw display
77 T22T4 T^{2} - 2T - 4 Copy content Toggle raw display
1111 T22T4 T^{2} - 2T - 4 Copy content Toggle raw display
1313 T2 T^{2} Copy content Toggle raw display
1717 T2+3T+1 T^{2} + 3T + 1 Copy content Toggle raw display
1919 T25T5 T^{2} - 5T - 5 Copy content Toggle raw display
2323 T2+3T9 T^{2} + 3T - 9 Copy content Toggle raw display
2929 T28T4 T^{2} - 8T - 4 Copy content Toggle raw display
3131 T213T+41 T^{2} - 13T + 41 Copy content Toggle raw display
3737 (T+2)2 (T + 2)^{2} Copy content Toggle raw display
4141 T220 T^{2} - 20 Copy content Toggle raw display
4343 T22T44 T^{2} - 2T - 44 Copy content Toggle raw display
4747 T2+7T19 T^{2} + 7T - 19 Copy content Toggle raw display
5353 T2+T31 T^{2} + T - 31 Copy content Toggle raw display
5959 T218T+76 T^{2} - 18T + 76 Copy content Toggle raw display
6161 T29T81 T^{2} - 9T - 81 Copy content Toggle raw display
6767 T218T+36 T^{2} - 18T + 36 Copy content Toggle raw display
7171 T220T+80 T^{2} - 20T + 80 Copy content Toggle raw display
7373 T216T+44 T^{2} - 16T + 44 Copy content Toggle raw display
7979 T221T+99 T^{2} - 21T + 99 Copy content Toggle raw display
8383 T2+3T59 T^{2} + 3T - 59 Copy content Toggle raw display
8989 T2+10T+20 T^{2} + 10T + 20 Copy content Toggle raw display
9797 (T12)2 (T - 12)^{2} Copy content Toggle raw display
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