Properties

Label 8410.2.a.p
Level $8410$
Weight $2$
Character orbit 8410.a
Self dual yes
Analytic conductor $67.154$
Analytic rank $0$
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] = [8410,2,Mod(1,8410)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8410, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([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("8410.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 8410 = 2 \cdot 5 \cdot 29^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 8410.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: \(67.1541880999\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{5}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 1 \) 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 290)
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 \(\beta = \frac{1}{2}(1 + \sqrt{5})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{2} + (\beta + 1) q^{3} + q^{4} - q^{5} + ( - \beta - 1) q^{6} + \beta q^{7} - q^{8} + (3 \beta - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{2} + (\beta + 1) q^{3} + q^{4} - q^{5} + ( - \beta - 1) q^{6} + \beta q^{7} - q^{8} + (3 \beta - 1) q^{9} + q^{10} + (4 \beta - 2) q^{11} + (\beta + 1) q^{12} + (3 \beta - 3) q^{13} - \beta q^{14} + ( - \beta - 1) q^{15} + q^{16} - \beta q^{17} + ( - 3 \beta + 1) q^{18} + 2 \beta q^{19} - q^{20} + (2 \beta + 1) q^{21} + ( - 4 \beta + 2) q^{22} + (\beta + 1) q^{23} + ( - \beta - 1) q^{24} + q^{25} + ( - 3 \beta + 3) q^{26} + (2 \beta - 1) q^{27} + \beta q^{28} + (\beta + 1) q^{30} + (3 \beta - 4) q^{31} - q^{32} + (6 \beta + 2) q^{33} + \beta q^{34} - \beta q^{35} + (3 \beta - 1) q^{36} + (4 \beta - 4) q^{37} - 2 \beta q^{38} + 3 \beta q^{39} + q^{40} + (2 \beta + 4) q^{41} + ( - 2 \beta - 1) q^{42} - 7 \beta q^{43} + (4 \beta - 2) q^{44} + ( - 3 \beta + 1) q^{45} + ( - \beta - 1) q^{46} + 6 \beta q^{47} + (\beta + 1) q^{48} + (\beta - 6) q^{49} - q^{50} + ( - 2 \beta - 1) q^{51} + (3 \beta - 3) q^{52} + (\beta - 4) q^{53} + ( - 2 \beta + 1) q^{54} + ( - 4 \beta + 2) q^{55} - \beta q^{56} + (4 \beta + 2) q^{57} + (7 \beta - 1) q^{59} + ( - \beta - 1) q^{60} + ( - 5 \beta + 5) q^{61} + ( - 3 \beta + 4) q^{62} + (2 \beta + 3) q^{63} + q^{64} + ( - 3 \beta + 3) q^{65} + ( - 6 \beta - 2) q^{66} + (6 \beta + 4) q^{67} - \beta q^{68} + (3 \beta + 2) q^{69} + \beta q^{70} + ( - 4 \beta - 10) q^{71} + ( - 3 \beta + 1) q^{72} + (3 \beta - 8) q^{73} + ( - 4 \beta + 4) q^{74} + (\beta + 1) q^{75} + 2 \beta q^{76} + (2 \beta + 4) q^{77} - 3 \beta q^{78} + ( - 3 \beta + 5) q^{79} - q^{80} + ( - 6 \beta + 4) q^{81} + ( - 2 \beta - 4) q^{82} + 8 \beta q^{83} + (2 \beta + 1) q^{84} + \beta q^{85} + 7 \beta q^{86} + ( - 4 \beta + 2) q^{88} + ( - 2 \beta - 8) q^{89} + (3 \beta - 1) q^{90} + 3 q^{91} + (\beta + 1) q^{92} + (2 \beta - 1) q^{93} - 6 \beta q^{94} - 2 \beta q^{95} + ( - \beta - 1) q^{96} + (9 \beta - 9) q^{97} + ( - \beta + 6) q^{98} + (2 \beta + 14) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} + 3 q^{3} + 2 q^{4} - 2 q^{5} - 3 q^{6} + q^{7} - 2 q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - 2 q^{2} + 3 q^{3} + 2 q^{4} - 2 q^{5} - 3 q^{6} + q^{7} - 2 q^{8} + q^{9} + 2 q^{10} + 3 q^{12} - 3 q^{13} - q^{14} - 3 q^{15} + 2 q^{16} - q^{17} - q^{18} + 2 q^{19} - 2 q^{20} + 4 q^{21} + 3 q^{23} - 3 q^{24} + 2 q^{25} + 3 q^{26} + q^{28} + 3 q^{30} - 5 q^{31} - 2 q^{32} + 10 q^{33} + q^{34} - q^{35} + q^{36} - 4 q^{37} - 2 q^{38} + 3 q^{39} + 2 q^{40} + 10 q^{41} - 4 q^{42} - 7 q^{43} - q^{45} - 3 q^{46} + 6 q^{47} + 3 q^{48} - 11 q^{49} - 2 q^{50} - 4 q^{51} - 3 q^{52} - 7 q^{53} - q^{56} + 8 q^{57} + 5 q^{59} - 3 q^{60} + 5 q^{61} + 5 q^{62} + 8 q^{63} + 2 q^{64} + 3 q^{65} - 10 q^{66} + 14 q^{67} - q^{68} + 7 q^{69} + q^{70} - 24 q^{71} - q^{72} - 13 q^{73} + 4 q^{74} + 3 q^{75} + 2 q^{76} + 10 q^{77} - 3 q^{78} + 7 q^{79} - 2 q^{80} + 2 q^{81} - 10 q^{82} + 8 q^{83} + 4 q^{84} + q^{85} + 7 q^{86} - 18 q^{89} + q^{90} + 6 q^{91} + 3 q^{92} - 6 q^{94} - 2 q^{95} - 3 q^{96} - 9 q^{97} + 11 q^{98} + 30 q^{99}+O(q^{100}) \) 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
−0.618034
1.61803
−1.00000 0.381966 1.00000 −1.00000 −0.381966 −0.618034 −1.00000 −2.85410 1.00000
1.2 −1.00000 2.61803 1.00000 −1.00000 −2.61803 1.61803 −1.00000 3.85410 1.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(1\)
\(5\) \(1\)
\(29\) \(-1\)

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 8410.2.a.p 2
29.b even 2 1 8410.2.a.q 2
29.c odd 4 2 290.2.c.c 4
87.f even 4 2 2610.2.f.d 4
116.e even 4 2 2320.2.g.g 4
145.e even 4 2 1450.2.d.h 4
145.f odd 4 2 1450.2.c.d 4
145.j even 4 2 1450.2.d.e 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
290.2.c.c 4 29.c odd 4 2
1450.2.c.d 4 145.f odd 4 2
1450.2.d.e 4 145.j even 4 2
1450.2.d.h 4 145.e even 4 2
2320.2.g.g 4 116.e even 4 2
2610.2.f.d 4 87.f even 4 2
8410.2.a.p 2 1.a even 1 1 trivial
8410.2.a.q 2 29.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 \(S_{2}^{\mathrm{new}}(\Gamma_0(8410))\):

\( T_{3}^{2} - 3T_{3} + 1 \) Copy content Toggle raw display
\( T_{7}^{2} - T_{7} - 1 \) Copy content Toggle raw display
\( T_{11}^{2} - 20 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{2} - 3T + 1 \) Copy content Toggle raw display
$5$ \( (T + 1)^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$11$ \( T^{2} - 20 \) Copy content Toggle raw display
$13$ \( T^{2} + 3T - 9 \) Copy content Toggle raw display
$17$ \( T^{2} + T - 1 \) Copy content Toggle raw display
$19$ \( T^{2} - 2T - 4 \) Copy content Toggle raw display
$23$ \( T^{2} - 3T + 1 \) Copy content Toggle raw display
$29$ \( T^{2} \) Copy content Toggle raw display
$31$ \( T^{2} + 5T - 5 \) Copy content Toggle raw display
$37$ \( T^{2} + 4T - 16 \) Copy content Toggle raw display
$41$ \( T^{2} - 10T + 20 \) Copy content Toggle raw display
$43$ \( T^{2} + 7T - 49 \) Copy content Toggle raw display
$47$ \( T^{2} - 6T - 36 \) Copy content Toggle raw display
$53$ \( T^{2} + 7T + 11 \) Copy content Toggle raw display
$59$ \( T^{2} - 5T - 55 \) Copy content Toggle raw display
$61$ \( T^{2} - 5T - 25 \) Copy content Toggle raw display
$67$ \( T^{2} - 14T + 4 \) Copy content Toggle raw display
$71$ \( T^{2} + 24T + 124 \) Copy content Toggle raw display
$73$ \( T^{2} + 13T + 31 \) Copy content Toggle raw display
$79$ \( T^{2} - 7T + 1 \) Copy content Toggle raw display
$83$ \( T^{2} - 8T - 64 \) Copy content Toggle raw display
$89$ \( T^{2} + 18T + 76 \) Copy content Toggle raw display
$97$ \( T^{2} + 9T - 81 \) Copy content Toggle raw display
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