Properties

Label 4000.1.cq.a
Level $4000$
Weight $1$
Character orbit 4000.cq
Analytic conductor $1.996$
Analytic rank $0$
Dimension $40$
Projective image $D_{100}$
CM discriminant -4
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [4000,1,Mod(33,4000)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4000, base_ring=CyclotomicField(100))
 
chi = DirichletCharacter(H, H._module([0, 0, 83]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("4000.33");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4000 = 2^{5} \cdot 5^{3} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 4000.cq (of order \(100\), degree \(40\), minimal)

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: no
Analytic conductor: \(1.99626005053\)
Analytic rank: \(0\)
Dimension: \(40\)
Coefficient field: \(\Q(\zeta_{100})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{40} - x^{30} + x^{20} - x^{10} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{100}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{100} - \cdots)\)

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q + \zeta_{100}^{13} q^{5} - \zeta_{100}^{49} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{100}^{13} q^{5} - \zeta_{100}^{49} q^{9} + ( - \zeta_{100}^{21} + \zeta_{100}^{2}) q^{13} + ( - \zeta_{100}^{44} + \zeta_{100}^{17}) q^{17} + \zeta_{100}^{26} q^{25} + ( - \zeta_{100}^{28} - \zeta_{100}^{6}) q^{29} + (\zeta_{100}^{35} - \zeta_{100}^{18}) q^{37} + (\zeta_{100}^{47} - \zeta_{100}^{11}) q^{41} + \zeta_{100}^{12} q^{45} + \zeta_{100}^{45} q^{49} + ( - \zeta_{100}^{14} + \zeta_{100}^{5}) q^{53} + ( - \zeta_{100}^{33} + \zeta_{100}^{9}) q^{61} + ( - \zeta_{100}^{34} + \zeta_{100}^{15}) q^{65} + (\zeta_{100}^{29} + \zeta_{100}^{8}) q^{73} - \zeta_{100}^{48} q^{81} + (\zeta_{100}^{30} + \zeta_{100}^{7}) q^{85} + ( - \zeta_{100}^{40} - \zeta_{100}^{22}) q^{89} + (\zeta_{100}^{36} + \zeta_{100}^{23}) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 40 q+O(q^{10}) \) Copy content Toggle raw display \( 40 q + 10 q^{85} + 10 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4000\mathbb{Z}\right)^\times\).

\(n\) \(1377\) \(2501\) \(2751\)
\(\chi(n)\) \(\zeta_{100}^{7}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
33.1
−0.368125 0.929776i
0.844328 0.535827i
−0.770513 0.637424i
0.998027 0.0627905i
0.125333 0.992115i
0.125333 + 0.992115i
−0.125333 0.992115i
−0.125333 + 0.992115i
−0.998027 + 0.0627905i
0.770513 + 0.637424i
−0.844328 + 0.535827i
0.368125 + 0.929776i
−0.904827 0.425779i
−0.904827 + 0.425779i
−0.982287 0.187381i
−0.982287 + 0.187381i
−0.248690 + 0.968583i
−0.368125 + 0.929776i
0.248690 + 0.968583i
−0.770513 + 0.637424i
0 0 0 0.982287 0.187381i 0 0 0 −0.368125 + 0.929776i 0
97.1 0 0 0 0.481754 0.876307i 0 0 0 0.844328 + 0.535827i 0
353.1 0 0 0 0.904827 0.425779i 0 0 0 −0.770513 + 0.637424i 0
417.1 0 0 0 0.684547 0.728969i 0 0 0 0.998027 + 0.0627905i 0
513.1 0 0 0 0.998027 + 0.0627905i 0 0 0 0.125333 + 0.992115i 0
577.1 0 0 0 0.998027 0.0627905i 0 0 0 0.125333 0.992115i 0
673.1 0 0 0 −0.998027 + 0.0627905i 0 0 0 −0.125333 + 0.992115i 0
737.1 0 0 0 −0.998027 0.0627905i 0 0 0 −0.125333 0.992115i 0
833.1 0 0 0 −0.684547 + 0.728969i 0 0 0 −0.998027 0.0627905i 0
897.1 0 0 0 −0.904827 + 0.425779i 0 0 0 0.770513 0.637424i 0
1153.1 0 0 0 −0.481754 + 0.876307i 0 0 0 −0.844328 0.535827i 0
1217.1 0 0 0 −0.982287 + 0.187381i 0 0 0 0.368125 0.929776i 0
1313.1 0 0 0 −0.844328 + 0.535827i 0 0 0 −0.904827 + 0.425779i 0
1377.1 0 0 0 −0.844328 0.535827i 0 0 0 −0.904827 0.425779i 0
1473.1 0 0 0 0.770513 0.637424i 0 0 0 −0.982287 + 0.187381i 0
1537.1 0 0 0 0.770513 + 0.637424i 0 0 0 −0.982287 0.187381i 0
1633.1 0 0 0 0.125333 0.992115i 0 0 0 −0.248690 0.968583i 0
1697.1 0 0 0 0.982287 + 0.187381i 0 0 0 −0.368125 0.929776i 0
1953.1 0 0 0 −0.125333 0.992115i 0 0 0 0.248690 0.968583i 0
2017.1 0 0 0 0.904827 + 0.425779i 0 0 0 −0.770513 0.637424i 0
See all 40 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 33.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 CM by \(\Q(\sqrt{-1}) \)
125.i odd 100 1 inner
500.r even 100 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4000.1.cq.a 40
4.b odd 2 1 CM 4000.1.cq.a 40
125.i odd 100 1 inner 4000.1.cq.a 40
500.r even 100 1 inner 4000.1.cq.a 40
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4000.1.cq.a 40 1.a even 1 1 trivial
4000.1.cq.a 40 4.b odd 2 1 CM
4000.1.cq.a 40 125.i odd 100 1 inner
4000.1.cq.a 40 500.r even 100 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(4000, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{40} \) Copy content Toggle raw display
$3$ \( T^{40} \) Copy content Toggle raw display
$5$ \( T^{40} - T^{30} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{40} \) Copy content Toggle raw display
$11$ \( T^{40} \) Copy content Toggle raw display
$13$ \( T^{40} - 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{40} - 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$19$ \( T^{40} \) Copy content Toggle raw display
$23$ \( T^{40} \) Copy content Toggle raw display
$29$ \( (T^{20} - 5 T^{17} + \cdots + 5)^{2} \) Copy content Toggle raw display
$31$ \( T^{40} \) Copy content Toggle raw display
$37$ \( T^{40} - 5 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{40} - 10 T^{36} + \cdots + 25 \) Copy content Toggle raw display
$43$ \( T^{40} \) Copy content Toggle raw display
$47$ \( T^{40} \) Copy content Toggle raw display
$53$ \( T^{40} - 5 T^{38} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{40} \) Copy content Toggle raw display
$61$ \( T^{40} - 10 T^{36} + \cdots + 25 \) Copy content Toggle raw display
$67$ \( T^{40} \) Copy content Toggle raw display
$71$ \( T^{40} \) Copy content Toggle raw display
$73$ \( T^{40} + 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{40} \) Copy content Toggle raw display
$83$ \( T^{40} \) Copy content Toggle raw display
$89$ \( (T^{20} - 5 T^{19} + \cdots + 5)^{2} \) Copy content Toggle raw display
$97$ \( T^{40} + 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
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