Properties

Label 8450.2.a.bg
Level $8450$
Weight $2$
Character orbit 8450.a
Self dual yes
Analytic conductor $67.474$
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] = [8450,2,Mod(1,8450)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8450, 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("8450.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 8450 = 2 \cdot 5^{2} \cdot 13^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 8450.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: \(67.4735897080\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{3}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - 3 \) 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 130)
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 \(\beta = \sqrt{3}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + q^{2} + (\beta - 1) q^{3} + q^{4} + (\beta - 1) q^{6} + ( - 2 \beta + 1) q^{7} + q^{8} + ( - 2 \beta + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} + (\beta - 1) q^{3} + q^{4} + (\beta - 1) q^{6} + ( - 2 \beta + 1) q^{7} + q^{8} + ( - 2 \beta + 1) q^{9} - \beta q^{11} + (\beta - 1) q^{12} + ( - 2 \beta + 1) q^{14} + q^{16} + (\beta - 3) q^{17} + ( - 2 \beta + 1) q^{18} + ( - 3 \beta + 2) q^{19} + (3 \beta - 7) q^{21} - \beta q^{22} - 2 \beta q^{23} + (\beta - 1) q^{24} - 4 q^{27} + ( - 2 \beta + 1) q^{28} + (2 \beta + 6) q^{29} + ( - \beta + 5) q^{31} + q^{32} + (\beta - 3) q^{33} + (\beta - 3) q^{34} + ( - 2 \beta + 1) q^{36} + (3 \beta + 4) q^{37} + ( - 3 \beta + 2) q^{38} + 4 \beta q^{41} + (3 \beta - 7) q^{42} + ( - 4 \beta - 2) q^{43} - \beta q^{44} - 2 \beta q^{46} + (2 \beta + 3) q^{47} + (\beta - 1) q^{48} + ( - 4 \beta + 6) q^{49} + ( - 4 \beta + 6) q^{51} + \beta q^{53} - 4 q^{54} + ( - 2 \beta + 1) q^{56} + (5 \beta - 11) q^{57} + (2 \beta + 6) q^{58} + ( - 2 \beta + 6) q^{59} + (\beta + 5) q^{61} + ( - \beta + 5) q^{62} + ( - 4 \beta + 13) q^{63} + q^{64} + (\beta - 3) q^{66} + (6 \beta - 2) q^{67} + (\beta - 3) q^{68} + (2 \beta - 6) q^{69} + (2 \beta + 12) q^{71} + ( - 2 \beta + 1) q^{72} + (\beta + 1) q^{73} + (3 \beta + 4) q^{74} + ( - 3 \beta + 2) q^{76} + ( - \beta + 6) q^{77} + ( - \beta + 5) q^{79} + (2 \beta + 1) q^{81} + 4 \beta q^{82} + ( - 5 \beta - 3) q^{83} + (3 \beta - 7) q^{84} + ( - 4 \beta - 2) q^{86} + 4 \beta q^{87} - \beta q^{88} - 9 q^{89} - 2 \beta q^{92} + (6 \beta - 8) q^{93} + (2 \beta + 3) q^{94} + (\beta - 1) q^{96} + ( - \beta + 7) q^{97} + ( - 4 \beta + 6) q^{98} + ( - \beta + 6) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{2} - 2 q^{3} + 2 q^{4} - 2 q^{6} + 2 q^{7} + 2 q^{8} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{2} - 2 q^{3} + 2 q^{4} - 2 q^{6} + 2 q^{7} + 2 q^{8} + 2 q^{9} - 2 q^{12} + 2 q^{14} + 2 q^{16} - 6 q^{17} + 2 q^{18} + 4 q^{19} - 14 q^{21} - 2 q^{24} - 8 q^{27} + 2 q^{28} + 12 q^{29} + 10 q^{31} + 2 q^{32} - 6 q^{33} - 6 q^{34} + 2 q^{36} + 8 q^{37} + 4 q^{38} - 14 q^{42} - 4 q^{43} + 6 q^{47} - 2 q^{48} + 12 q^{49} + 12 q^{51} - 8 q^{54} + 2 q^{56} - 22 q^{57} + 12 q^{58} + 12 q^{59} + 10 q^{61} + 10 q^{62} + 26 q^{63} + 2 q^{64} - 6 q^{66} - 4 q^{67} - 6 q^{68} - 12 q^{69} + 24 q^{71} + 2 q^{72} + 2 q^{73} + 8 q^{74} + 4 q^{76} + 12 q^{77} + 10 q^{79} + 2 q^{81} - 6 q^{83} - 14 q^{84} - 4 q^{86} - 18 q^{89} - 16 q^{93} + 6 q^{94} - 2 q^{96} + 14 q^{97} + 12 q^{98} + 12 q^{99}+O(q^{100}) \) 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
−1.73205
1.73205
1.00000 −2.73205 1.00000 0 −2.73205 4.46410 1.00000 4.46410 0
1.2 1.00000 0.732051 1.00000 0 0.732051 −2.46410 1.00000 −2.46410 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(1\)
\(13\) \(1\)

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 8450.2.a.bg 2
5.b even 2 1 1690.2.a.l 2
13.b even 2 1 8450.2.a.z 2
13.c even 3 2 650.2.e.f 4
65.d even 2 1 1690.2.a.o 2
65.g odd 4 2 1690.2.d.h 4
65.l even 6 2 1690.2.e.k 4
65.n even 6 2 130.2.e.d 4
65.q odd 12 2 650.2.o.a 4
65.q odd 12 2 650.2.o.e 4
65.s odd 12 2 1690.2.l.c 4
65.s odd 12 2 1690.2.l.d 4
195.x odd 6 2 1170.2.i.n 4
260.v odd 6 2 1040.2.q.p 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
130.2.e.d 4 65.n even 6 2
650.2.e.f 4 13.c even 3 2
650.2.o.a 4 65.q odd 12 2
650.2.o.e 4 65.q odd 12 2
1040.2.q.p 4 260.v odd 6 2
1170.2.i.n 4 195.x odd 6 2
1690.2.a.l 2 5.b even 2 1
1690.2.a.o 2 65.d even 2 1
1690.2.d.h 4 65.g odd 4 2
1690.2.e.k 4 65.l even 6 2
1690.2.l.c 4 65.s odd 12 2
1690.2.l.d 4 65.s odd 12 2
8450.2.a.z 2 13.b even 2 1
8450.2.a.bg 2 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(8450))\):

\( T_{3}^{2} + 2T_{3} - 2 \) Copy content Toggle raw display
\( T_{7}^{2} - 2T_{7} - 11 \) Copy content Toggle raw display
\( T_{11}^{2} - 3 \) Copy content Toggle raw display
\( T_{17}^{2} + 6T_{17} + 6 \) Copy content Toggle raw display
\( T_{31}^{2} - 10T_{31} + 22 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + 2T - 2 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - 2T - 11 \) Copy content Toggle raw display
$11$ \( T^{2} - 3 \) Copy content Toggle raw display
$13$ \( T^{2} \) Copy content Toggle raw display
$17$ \( T^{2} + 6T + 6 \) Copy content Toggle raw display
$19$ \( T^{2} - 4T - 23 \) Copy content Toggle raw display
$23$ \( T^{2} - 12 \) Copy content Toggle raw display
$29$ \( T^{2} - 12T + 24 \) Copy content Toggle raw display
$31$ \( T^{2} - 10T + 22 \) Copy content Toggle raw display
$37$ \( T^{2} - 8T - 11 \) Copy content Toggle raw display
$41$ \( T^{2} - 48 \) Copy content Toggle raw display
$43$ \( T^{2} + 4T - 44 \) Copy content Toggle raw display
$47$ \( T^{2} - 6T - 3 \) Copy content Toggle raw display
$53$ \( T^{2} - 3 \) Copy content Toggle raw display
$59$ \( T^{2} - 12T + 24 \) Copy content Toggle raw display
$61$ \( T^{2} - 10T + 22 \) Copy content Toggle raw display
$67$ \( T^{2} + 4T - 104 \) Copy content Toggle raw display
$71$ \( T^{2} - 24T + 132 \) Copy content Toggle raw display
$73$ \( T^{2} - 2T - 2 \) Copy content Toggle raw display
$79$ \( T^{2} - 10T + 22 \) Copy content Toggle raw display
$83$ \( T^{2} + 6T - 66 \) Copy content Toggle raw display
$89$ \( (T + 9)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} - 14T + 46 \) Copy content Toggle raw display
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