Properties

Label 8325.2.a.bi
Level 83258325
Weight 22
Character orbit 8325.a
Self dual yes
Analytic conductor 66.47566.475
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] = [8325,2,Mod(1,8325)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8325, 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("8325.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: N N == 8325=325237 8325 = 3^{2} \cdot 5^{2} \cdot 37
Weight: k k == 2 2
Character orbit: [χ][\chi] == 8325.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: 66.475459682766.4754596827
Analytic rank: 00
Dimension: 22
Coefficient field: Q(13)\Q(\sqrt{13})
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: x2x3 x^{2} - x - 3 Copy content Toggle raw display
Coefficient ring: Z[a1,a2]\Z[a_1, a_2]
Coefficient ring index: 1 1
Twist minimal: no (minimal twist has level 555)
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+13)\beta = \frac{1}{2}(1 + \sqrt{13}). We also show the integral qq-expansion of the trace form.

f(q)f(q) == qβq2+(β+1)q4+3q73q8+(β1)q11+5q133βq14+(β2)q16+(3β4)q17+(3β+4)q19+(2β+3)q22+2βq98+O(q100) q - \beta q^{2} + (\beta + 1) q^{4} + 3 q^{7} - 3 q^{8} + ( - \beta - 1) q^{11} + 5 q^{13} - 3 \beta q^{14} + (\beta - 2) q^{16} + (3 \beta - 4) q^{17} + ( - 3 \beta + 4) q^{19} + (2 \beta + 3) q^{22} + \cdots - 2 \beta q^{98} +O(q^{100}) Copy content Toggle raw display
Tr(f)(q)\operatorname{Tr}(f)(q) == 2qq2+3q4+6q76q83q11+10q133q143q165q17+5q19+8q22+4q235q26+9q28+7q29+2q31+7q3217q342q37+2q98+O(q100) 2 q - q^{2} + 3 q^{4} + 6 q^{7} - 6 q^{8} - 3 q^{11} + 10 q^{13} - 3 q^{14} - 3 q^{16} - 5 q^{17} + 5 q^{19} + 8 q^{22} + 4 q^{23} - 5 q^{26} + 9 q^{28} + 7 q^{29} + 2 q^{31} + 7 q^{32} - 17 q^{34} - 2 q^{37}+ \cdots - 2 q^{98}+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
2.30278
−1.30278
−2.30278 0 3.30278 0 0 3.00000 −3.00000 0 0
1.2 1.30278 0 −0.302776 0 0 3.00000 −3.00000 0 0
nn: e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

p p Sign
33 1 -1
55 +1 +1
3737 +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 8325.2.a.bi 2
3.b odd 2 1 2775.2.a.o 2
5.b even 2 1 1665.2.a.k 2
15.d odd 2 1 555.2.a.d 2
60.h even 2 1 8880.2.a.bt 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
555.2.a.d 2 15.d odd 2 1
1665.2.a.k 2 5.b even 2 1
2775.2.a.o 2 3.b odd 2 1
8325.2.a.bi 2 1.a even 1 1 trivial
8880.2.a.bt 2 60.h even 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(8325))S_{2}^{\mathrm{new}}(\Gamma_0(8325)):

T22+T23 T_{2}^{2} + T_{2} - 3 Copy content Toggle raw display
T73 T_{7} - 3 Copy content Toggle raw display
T112+3T111 T_{11}^{2} + 3T_{11} - 1 Copy content Toggle raw display
T135 T_{13} - 5 Copy content Toggle raw display

Hecke characteristic polynomials

pp Fp(T)F_p(T)
22 T2+T3 T^{2} + T - 3 Copy content Toggle raw display
33 T2 T^{2} Copy content Toggle raw display
55 T2 T^{2} Copy content Toggle raw display
77 (T3)2 (T - 3)^{2} Copy content Toggle raw display
1111 T2+3T1 T^{2} + 3T - 1 Copy content Toggle raw display
1313 (T5)2 (T - 5)^{2} Copy content Toggle raw display
1717 T2+5T23 T^{2} + 5T - 23 Copy content Toggle raw display
1919 T25T23 T^{2} - 5T - 23 Copy content Toggle raw display
2323 T24T9 T^{2} - 4T - 9 Copy content Toggle raw display
2929 T27T17 T^{2} - 7T - 17 Copy content Toggle raw display
3131 T22T51 T^{2} - 2T - 51 Copy content Toggle raw display
3737 (T+1)2 (T + 1)^{2} Copy content Toggle raw display
4141 (T11)2 (T - 11)^{2} Copy content Toggle raw display
4343 T211T+27 T^{2} - 11T + 27 Copy content Toggle raw display
4747 T22T51 T^{2} - 2T - 51 Copy content Toggle raw display
5353 T2+4T48 T^{2} + 4T - 48 Copy content Toggle raw display
5959 T23T79 T^{2} - 3T - 79 Copy content Toggle raw display
6161 T2+6T43 T^{2} + 6T - 43 Copy content Toggle raw display
6767 T2T81 T^{2} - T - 81 Copy content Toggle raw display
7171 T2+9T61 T^{2} + 9T - 61 Copy content Toggle raw display
7373 T217T+69 T^{2} - 17T + 69 Copy content Toggle raw display
7979 T2+11T+27 T^{2} + 11T + 27 Copy content Toggle raw display
8383 T211T+27 T^{2} - 11T + 27 Copy content Toggle raw display
8989 T2+10T27 T^{2} + 10T - 27 Copy content Toggle raw display
9797 T212T+23 T^{2} - 12T + 23 Copy content Toggle raw display
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