Properties

Label 8450.2.a.bt
Level $8450$
Weight $2$
Character orbit 8450.a
Self dual yes
Analytic conductor $67.474$
Analytic rank $0$
Dimension $3$
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: \(3\)
Coefficient field: 3.3.148.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 3x + 1 \) 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 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 a basis \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{2} - \beta_{2} q^{3} + q^{4} + \beta_{2} q^{6} + ( - \beta_{2} - \beta_1 + 2) q^{7} - q^{8} + ( - \beta_{2} - \beta_1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - q^{2} - \beta_{2} q^{3} + q^{4} + \beta_{2} q^{6} + ( - \beta_{2} - \beta_1 + 2) q^{7} - q^{8} + ( - \beta_{2} - \beta_1) q^{9} + (3 \beta_1 - 2) q^{11} - \beta_{2} q^{12} + (\beta_{2} + \beta_1 - 2) q^{14} + q^{16} + (\beta_1 + 1) q^{17} + (\beta_{2} + \beta_1) q^{18} + ( - \beta_{2} - 2 \beta_1 + 5) q^{19} + ( - 3 \beta_{2} + 2) q^{21} + ( - 3 \beta_1 + 2) q^{22} + ( - \beta_{2} + 3 \beta_1 - 1) q^{23} + \beta_{2} q^{24} + (2 \beta_{2} + 2) q^{27} + ( - \beta_{2} - \beta_1 + 2) q^{28} + (2 \beta_{2} - 2 \beta_1 - 4) q^{29} + ( - 4 \beta_{2} - 3 \beta_1 - 1) q^{31} - q^{32} + (2 \beta_{2} - 3 \beta_1 + 3) q^{33} + ( - \beta_1 - 1) q^{34} + ( - \beta_{2} - \beta_1) q^{36} + (3 \beta_{2} + 2 \beta_1 + 1) q^{37} + (\beta_{2} + 2 \beta_1 - 5) q^{38} + ( - 3 \beta_{2} + \beta_1 - 1) q^{41} + (3 \beta_{2} - 2) q^{42} + 2 q^{43} + (3 \beta_1 - 2) q^{44} + (\beta_{2} - 3 \beta_1 + 1) q^{46} + (\beta_{2} + \beta_1 + 2) q^{47} - \beta_{2} q^{48} + ( - 4 \beta_{2} - 2 \beta_1) q^{49} + ( - \beta_{2} - \beta_1 + 1) q^{51} + (2 \beta_{2} + 3 \beta_1 + 2) q^{53} + ( - 2 \beta_{2} - 2) q^{54} + (\beta_{2} + \beta_1 - 2) q^{56} + ( - 6 \beta_{2} + \beta_1 + 1) q^{57} + ( - 2 \beta_{2} + 2 \beta_1 + 4) q^{58} + (2 \beta_{2} + 4 \beta_1 - 4) q^{59} + ( - 3 \beta_{2} + 4 \beta_1) q^{61} + (4 \beta_{2} + 3 \beta_1 + 1) q^{62} + ( - 2 \beta_{2} + 3) q^{63} + q^{64} + ( - 2 \beta_{2} + 3 \beta_1 - 3) q^{66} + ( - 2 \beta_{2} + 4) q^{67} + (\beta_1 + 1) q^{68} + ( - 4 \beta_1 + 6) q^{69} + ( - 4 \beta_{2} + 2 \beta_1 + 6) q^{71} + (\beta_{2} + \beta_1) q^{72} + ( - 6 \beta_{2} - 3 \beta_1 + 3) q^{73} + ( - 3 \beta_{2} - 2 \beta_1 - 1) q^{74} + ( - \beta_{2} - 2 \beta_1 + 5) q^{76} + ( - \beta_{2} + 2 \beta_1 - 7) q^{77} + ( - 4 \beta_{2} - 5 \beta_1 - 3) q^{79} + (3 \beta_{2} + 5 \beta_1 - 6) q^{81} + (3 \beta_{2} - \beta_1 + 1) q^{82} + (5 \beta_{2} - 2 \beta_1 + 2) q^{83} + ( - 3 \beta_{2} + 2) q^{84} - 2 q^{86} + (6 \beta_{2} + 4 \beta_1 - 8) q^{87} + ( - 3 \beta_1 + 2) q^{88} + (\beta_{2} - \beta_1 - 2) q^{89} + ( - \beta_{2} + 3 \beta_1 - 1) q^{92} + ( - 3 \beta_{2} - \beta_1 + 9) q^{93} + ( - \beta_{2} - \beta_1 - 2) q^{94} + \beta_{2} q^{96} + (2 \beta_{2} - \beta_1 + 9) q^{97} + (4 \beta_{2} + 2 \beta_1) q^{98} + ( - \beta_{2} - 4 \beta_1 - 3) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q - 3 q^{2} + 3 q^{4} + 5 q^{7} - 3 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q - 3 q^{2} + 3 q^{4} + 5 q^{7} - 3 q^{8} - q^{9} - 3 q^{11} - 5 q^{14} + 3 q^{16} + 4 q^{17} + q^{18} + 13 q^{19} + 6 q^{21} + 3 q^{22} + 6 q^{27} + 5 q^{28} - 14 q^{29} - 6 q^{31} - 3 q^{32} + 6 q^{33} - 4 q^{34} - q^{36} + 5 q^{37} - 13 q^{38} - 2 q^{41} - 6 q^{42} + 6 q^{43} - 3 q^{44} + 7 q^{47} - 2 q^{49} + 2 q^{51} + 9 q^{53} - 6 q^{54} - 5 q^{56} + 4 q^{57} + 14 q^{58} - 8 q^{59} + 4 q^{61} + 6 q^{62} + 9 q^{63} + 3 q^{64} - 6 q^{66} + 12 q^{67} + 4 q^{68} + 14 q^{69} + 20 q^{71} + q^{72} + 6 q^{73} - 5 q^{74} + 13 q^{76} - 19 q^{77} - 14 q^{79} - 13 q^{81} + 2 q^{82} + 4 q^{83} + 6 q^{84} - 6 q^{86} - 20 q^{87} + 3 q^{88} - 7 q^{89} + 26 q^{93} - 7 q^{94} + 26 q^{97} + 2 q^{98} - 13 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 3x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 2 \) 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
−1.48119
2.17009
0.311108
−1.00000 −1.67513 1.00000 0 1.67513 1.80606 −1.00000 −0.193937 0
1.2 −1.00000 −0.539189 1.00000 0 0.539189 −0.709275 −1.00000 −2.70928 0
1.3 −1.00000 2.21432 1.00000 0 −2.21432 3.90321 −1.00000 1.90321 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.bt 3
5.b even 2 1 8450.2.a.ca 3
5.c odd 4 2 1690.2.b.b 6
13.b even 2 1 8450.2.a.cb 3
13.e even 6 2 650.2.e.j 6
65.d even 2 1 8450.2.a.bu 3
65.f even 4 2 1690.2.c.c 6
65.h odd 4 2 1690.2.b.c 6
65.k even 4 2 1690.2.c.b 6
65.l even 6 2 650.2.e.k 6
65.r odd 12 4 130.2.n.a 12
195.bf even 12 4 1170.2.bp.h 12
260.bg even 12 4 1040.2.dh.b 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
130.2.n.a 12 65.r odd 12 4
650.2.e.j 6 13.e even 6 2
650.2.e.k 6 65.l even 6 2
1040.2.dh.b 12 260.bg even 12 4
1170.2.bp.h 12 195.bf even 12 4
1690.2.b.b 6 5.c odd 4 2
1690.2.b.c 6 65.h odd 4 2
1690.2.c.b 6 65.k even 4 2
1690.2.c.c 6 65.f even 4 2
8450.2.a.bt 3 1.a even 1 1 trivial
8450.2.a.bu 3 65.d even 2 1
8450.2.a.ca 3 5.b even 2 1
8450.2.a.cb 3 13.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 \(S_{2}^{\mathrm{new}}(\Gamma_0(8450))\):

\( T_{3}^{3} - 4T_{3} - 2 \) Copy content Toggle raw display
\( T_{7}^{3} - 5T_{7}^{2} + 3T_{7} + 5 \) Copy content Toggle raw display
\( T_{11}^{3} + 3T_{11}^{2} - 27T_{11} - 31 \) Copy content Toggle raw display
\( T_{17}^{3} - 4T_{17}^{2} + 2T_{17} + 2 \) Copy content Toggle raw display
\( T_{31}^{3} + 6T_{31}^{2} - 58T_{31} - 218 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 1)^{3} \) Copy content Toggle raw display
$3$ \( T^{3} - 4T - 2 \) Copy content Toggle raw display
$5$ \( T^{3} \) Copy content Toggle raw display
$7$ \( T^{3} - 5 T^{2} + 3 T + 5 \) Copy content Toggle raw display
$11$ \( T^{3} + 3 T^{2} - 27 T - 31 \) Copy content Toggle raw display
$13$ \( T^{3} \) Copy content Toggle raw display
$17$ \( T^{3} - 4 T^{2} + 2 T + 2 \) Copy content Toggle raw display
$19$ \( T^{3} - 13 T^{2} + 43 T - 5 \) Copy content Toggle raw display
$23$ \( T^{3} - 40T + 76 \) Copy content Toggle raw display
$29$ \( T^{3} + 14 T^{2} + 28 T - 152 \) Copy content Toggle raw display
$31$ \( T^{3} + 6 T^{2} - 58 T - 218 \) Copy content Toggle raw display
$37$ \( T^{3} - 5 T^{2} - 29 T + 107 \) Copy content Toggle raw display
$41$ \( T^{3} + 2 T^{2} - 44 T - 20 \) Copy content Toggle raw display
$43$ \( (T - 2)^{3} \) Copy content Toggle raw display
$47$ \( T^{3} - 7 T^{2} + 11 T - 1 \) Copy content Toggle raw display
$53$ \( T^{3} - 9 T^{2} - 7 T + 13 \) Copy content Toggle raw display
$59$ \( T^{3} + 8 T^{2} - 32 T - 272 \) Copy content Toggle raw display
$61$ \( T^{3} - 4 T^{2} - 108 T + 610 \) Copy content Toggle raw display
$67$ \( T^{3} - 12 T^{2} + 32 T - 16 \) Copy content Toggle raw display
$71$ \( T^{3} - 20 T^{2} + 40 T + 464 \) Copy content Toggle raw display
$73$ \( T^{3} - 6 T^{2} - 126 T - 270 \) Copy content Toggle raw display
$79$ \( T^{3} + 14 T^{2} - 42 T - 158 \) Copy content Toggle raw display
$83$ \( T^{3} - 4 T^{2} - 128 T + 46 \) Copy content Toggle raw display
$89$ \( T^{3} + 7 T^{2} + 7 T - 19 \) Copy content Toggle raw display
$97$ \( T^{3} - 26 T^{2} + 202 T - 466 \) Copy content Toggle raw display
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