Properties

Label 4002.2.a.v
Level $4002$
Weight $2$
Character orbit 4002.a
Self dual yes
Analytic conductor $31.956$
Analytic rank $1$
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] = [4002,2,Mod(1,4002)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4002, 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("4002.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4002 = 2 \cdot 3 \cdot 23 \cdot 29 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4002.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: \(31.9561308889\)
Analytic rank: \(1\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{17}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
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 \(\beta = \frac{1}{2}(1 + \sqrt{17})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + q^{2} - q^{3} + q^{4} + ( - \beta - 1) q^{5} - q^{6} + q^{8} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} - q^{3} + q^{4} + ( - \beta - 1) q^{5} - q^{6} + q^{8} + q^{9} + ( - \beta - 1) q^{10} + (\beta - 1) q^{11} - q^{12} + ( - \beta + 3) q^{13} + (\beta + 1) q^{15} + q^{16} + (2 \beta - 4) q^{17} + q^{18} - 4 q^{19} + ( - \beta - 1) q^{20} + (\beta - 1) q^{22} - q^{23} - q^{24} + 3 \beta q^{25} + ( - \beta + 3) q^{26} - q^{27} + q^{29} + (\beta + 1) q^{30} + (\beta + 3) q^{31} + q^{32} + ( - \beta + 1) q^{33} + (2 \beta - 4) q^{34} + q^{36} + ( - \beta - 5) q^{37} - 4 q^{38} + (\beta - 3) q^{39} + ( - \beta - 1) q^{40} + (3 \beta + 3) q^{41} + (2 \beta - 6) q^{43} + (\beta - 1) q^{44} + ( - \beta - 1) q^{45} - q^{46} + (2 \beta + 6) q^{47} - q^{48} - 7 q^{49} + 3 \beta q^{50} + ( - 2 \beta + 4) q^{51} + ( - \beta + 3) q^{52} + ( - 4 \beta - 2) q^{53} - q^{54} + ( - \beta - 3) q^{55} + 4 q^{57} + q^{58} + ( - 5 \beta + 5) q^{59} + (\beta + 1) q^{60} + (3 \beta - 9) q^{61} + (\beta + 3) q^{62} + q^{64} + ( - \beta + 1) q^{65} + ( - \beta + 1) q^{66} + ( - 3 \beta - 1) q^{67} + (2 \beta - 4) q^{68} + q^{69} + (\beta - 5) q^{71} + q^{72} + (2 \beta - 8) q^{73} + ( - \beta - 5) q^{74} - 3 \beta q^{75} - 4 q^{76} + (\beta - 3) q^{78} + ( - 2 \beta + 6) q^{79} + ( - \beta - 1) q^{80} + q^{81} + (3 \beta + 3) q^{82} + ( - 6 \beta + 6) q^{83} - 4 q^{85} + (2 \beta - 6) q^{86} - q^{87} + (\beta - 1) q^{88} + (4 \beta + 2) q^{89} + ( - \beta - 1) q^{90} - q^{92} + ( - \beta - 3) q^{93} + (2 \beta + 6) q^{94} + (4 \beta + 4) q^{95} - q^{96} - 10 q^{97} - 7 q^{98} + (\beta - 1) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{2} - 2 q^{3} + 2 q^{4} - 3 q^{5} - 2 q^{6} + 2 q^{8} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{2} - 2 q^{3} + 2 q^{4} - 3 q^{5} - 2 q^{6} + 2 q^{8} + 2 q^{9} - 3 q^{10} - q^{11} - 2 q^{12} + 5 q^{13} + 3 q^{15} + 2 q^{16} - 6 q^{17} + 2 q^{18} - 8 q^{19} - 3 q^{20} - q^{22} - 2 q^{23} - 2 q^{24} + 3 q^{25} + 5 q^{26} - 2 q^{27} + 2 q^{29} + 3 q^{30} + 7 q^{31} + 2 q^{32} + q^{33} - 6 q^{34} + 2 q^{36} - 11 q^{37} - 8 q^{38} - 5 q^{39} - 3 q^{40} + 9 q^{41} - 10 q^{43} - q^{44} - 3 q^{45} - 2 q^{46} + 14 q^{47} - 2 q^{48} - 14 q^{49} + 3 q^{50} + 6 q^{51} + 5 q^{52} - 8 q^{53} - 2 q^{54} - 7 q^{55} + 8 q^{57} + 2 q^{58} + 5 q^{59} + 3 q^{60} - 15 q^{61} + 7 q^{62} + 2 q^{64} + q^{65} + q^{66} - 5 q^{67} - 6 q^{68} + 2 q^{69} - 9 q^{71} + 2 q^{72} - 14 q^{73} - 11 q^{74} - 3 q^{75} - 8 q^{76} - 5 q^{78} + 10 q^{79} - 3 q^{80} + 2 q^{81} + 9 q^{82} + 6 q^{83} - 8 q^{85} - 10 q^{86} - 2 q^{87} - q^{88} + 8 q^{89} - 3 q^{90} - 2 q^{92} - 7 q^{93} + 14 q^{94} + 12 q^{95} - 2 q^{96} - 20 q^{97} - 14 q^{98} - q^{99}+O(q^{100}) \) 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
2.56155
−1.56155
1.00000 −1.00000 1.00000 −3.56155 −1.00000 0 1.00000 1.00000 −3.56155
1.2 1.00000 −1.00000 1.00000 0.561553 −1.00000 0 1.00000 1.00000 0.561553
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(3\) \( +1 \)
\(23\) \( +1 \)
\(29\) \( -1 \)

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 4002.2.a.v 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4002.2.a.v 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 \(S_{2}^{\mathrm{new}}(\Gamma_0(4002))\):

\( T_{5}^{2} + 3T_{5} - 2 \) Copy content Toggle raw display
\( T_{7} \) Copy content Toggle raw display
\( T_{11}^{2} + T_{11} - 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 1)^{2} \) Copy content Toggle raw display
$3$ \( (T + 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{2} + 3T - 2 \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} + T - 4 \) Copy content Toggle raw display
$13$ \( T^{2} - 5T + 2 \) Copy content Toggle raw display
$17$ \( T^{2} + 6T - 8 \) Copy content Toggle raw display
$19$ \( (T + 4)^{2} \) Copy content Toggle raw display
$23$ \( (T + 1)^{2} \) Copy content Toggle raw display
$29$ \( (T - 1)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} - 7T + 8 \) Copy content Toggle raw display
$37$ \( T^{2} + 11T + 26 \) Copy content Toggle raw display
$41$ \( T^{2} - 9T - 18 \) Copy content Toggle raw display
$43$ \( T^{2} + 10T + 8 \) Copy content Toggle raw display
$47$ \( T^{2} - 14T + 32 \) Copy content Toggle raw display
$53$ \( T^{2} + 8T - 52 \) Copy content Toggle raw display
$59$ \( T^{2} - 5T - 100 \) Copy content Toggle raw display
$61$ \( T^{2} + 15T + 18 \) Copy content Toggle raw display
$67$ \( T^{2} + 5T - 32 \) Copy content Toggle raw display
$71$ \( T^{2} + 9T + 16 \) Copy content Toggle raw display
$73$ \( T^{2} + 14T + 32 \) Copy content Toggle raw display
$79$ \( T^{2} - 10T + 8 \) Copy content Toggle raw display
$83$ \( T^{2} - 6T - 144 \) Copy content Toggle raw display
$89$ \( T^{2} - 8T - 52 \) Copy content Toggle raw display
$97$ \( (T + 10)^{2} \) Copy content Toggle raw display
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