Properties

Label 2500.1.p.a
Level $2500$
Weight $1$
Character orbit 2500.p
Analytic conductor $1.248$
Analytic rank $0$
Dimension $20$
Projective image $D_{25}$
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] = [2500,1,Mod(51,2500)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2500, base_ring=CyclotomicField(50))
 
chi = DirichletCharacter(H, H._module([25, 28]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2500.51");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2500 = 2^{2} \cdot 5^{4} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2500.p (of order \(50\), degree \(20\), not 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: \(1.24766253158\)
Analytic rank: \(0\)
Dimension: \(20\)
Coefficient field: \(\Q(\zeta_{50})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{20} - x^{15} + x^{10} - x^{5} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 500)
Projective image: \(D_{25}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{25} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{50}^{3} q^{2} + \zeta_{50}^{6} q^{4} + \zeta_{50}^{9} q^{8} - \zeta_{50}^{17} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{50}^{3} q^{2} + \zeta_{50}^{6} q^{4} + \zeta_{50}^{9} q^{8} - \zeta_{50}^{17} q^{9} + ( - \zeta_{50}^{18} - \zeta_{50}^{16}) q^{13} + \zeta_{50}^{12} q^{16} + (\zeta_{50}^{11} - \zeta_{50}^{2}) q^{17} - \zeta_{50}^{20} q^{18} + ( - \zeta_{50}^{21} - \zeta_{50}^{19}) q^{26} + (\zeta_{50}^{24} - \zeta_{50}^{23}) q^{29} + \zeta_{50}^{15} q^{32} + (\zeta_{50}^{14} - \zeta_{50}^{5}) q^{34} - \zeta_{50}^{23} q^{36} + (\zeta_{50}^{19} + \zeta_{50}^{5}) q^{37} + ( - \zeta_{50}^{13} - \zeta_{50}) q^{41} + \zeta_{50}^{10} q^{49} + ( - \zeta_{50}^{24} - \zeta_{50}^{22}) q^{52} + (\zeta_{50}^{15} - \zeta_{50}^{12}) q^{53} + ( - \zeta_{50}^{2} + \zeta_{50}) q^{58} + (\zeta_{50}^{22} + \zeta_{50}^{14}) q^{61} + \zeta_{50}^{18} q^{64} + (\zeta_{50}^{17} - \zeta_{50}^{8}) q^{68} + \zeta_{50} q^{72} + ( - \zeta_{50}^{14} + \zeta_{50}^{7}) q^{73} + (\zeta_{50}^{22} + \zeta_{50}^{8}) q^{74} - \zeta_{50}^{9} q^{81} + ( - \zeta_{50}^{16} - \zeta_{50}^{4}) q^{82} + (\zeta_{50}^{20} - \zeta_{50}) q^{89} + (\zeta_{50}^{13} + \zeta_{50}^{9}) q^{97} + \zeta_{50}^{13} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 20 q+O(q^{10}) \) Copy content Toggle raw display \( 20 q + 5 q^{18} + 5 q^{32} - 5 q^{34} + 5 q^{37} - 5 q^{49} + 5 q^{53} - 5 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2500\mathbb{Z}\right)^\times\).

\(n\) \(1251\) \(1877\)
\(\chi(n)\) \(-1\) \(\zeta_{50}^{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
51.1
−0.0627905 + 0.998027i
0.187381 0.982287i
0.425779 0.904827i
−0.535827 + 0.844328i
0.637424 0.770513i
−0.728969 + 0.684547i
−0.876307 + 0.481754i
0.929776 0.368125i
−0.968583 + 0.248690i
0.992115 0.125333i
0.992115 + 0.125333i
−0.968583 0.248690i
0.929776 + 0.368125i
−0.876307 0.481754i
−0.728969 0.684547i
0.637424 + 0.770513i
−0.535827 0.844328i
0.425779 + 0.904827i
0.187381 + 0.982287i
−0.0627905 0.998027i
0.187381 0.982287i 0 −0.929776 0.368125i 0 0 0 −0.535827 + 0.844328i 0.876307 0.481754i 0
151.1 −0.535827 + 0.844328i 0 −0.425779 0.904827i 0 0 0 0.992115 + 0.125333i 0.0627905 0.998027i 0
351.1 −0.968583 + 0.248690i 0 0.876307 0.481754i 0 0 0 −0.728969 + 0.684547i −0.929776 + 0.368125i 0
451.1 0.992115 + 0.125333i 0 0.968583 + 0.248690i 0 0 0 0.929776 + 0.368125i −0.187381 + 0.982287i 0
551.1 −0.876307 0.481754i 0 0.535827 + 0.844328i 0 0 0 −0.0627905 0.998027i 0.728969 + 0.684547i 0
651.1 0.637424 + 0.770513i 0 −0.187381 + 0.982287i 0 0 0 −0.876307 + 0.481754i 0.968583 0.248690i 0
851.1 −0.0627905 + 0.998027i 0 −0.992115 0.125333i 0 0 0 0.187381 0.982287i −0.637424 0.770513i 0
951.1 0.425779 0.904827i 0 −0.637424 0.770513i 0 0 0 −0.968583 + 0.248690i −0.992115 + 0.125333i 0
1051.1 −0.728969 + 0.684547i 0 0.0627905 0.998027i 0 0 0 0.637424 + 0.770513i −0.425779 + 0.904827i 0
1151.1 0.929776 0.368125i 0 0.728969 0.684547i 0 0 0 0.425779 0.904827i 0.535827 + 0.844328i 0
1351.1 0.929776 + 0.368125i 0 0.728969 + 0.684547i 0 0 0 0.425779 + 0.904827i 0.535827 0.844328i 0
1451.1 −0.728969 0.684547i 0 0.0627905 + 0.998027i 0 0 0 0.637424 0.770513i −0.425779 0.904827i 0
1551.1 0.425779 + 0.904827i 0 −0.637424 + 0.770513i 0 0 0 −0.968583 0.248690i −0.992115 0.125333i 0
1651.1 −0.0627905 0.998027i 0 −0.992115 + 0.125333i 0 0 0 0.187381 + 0.982287i −0.637424 + 0.770513i 0
1851.1 0.637424 0.770513i 0 −0.187381 0.982287i 0 0 0 −0.876307 0.481754i 0.968583 + 0.248690i 0
1951.1 −0.876307 + 0.481754i 0 0.535827 0.844328i 0 0 0 −0.0627905 + 0.998027i 0.728969 0.684547i 0
2051.1 0.992115 0.125333i 0 0.968583 0.248690i 0 0 0 0.929776 0.368125i −0.187381 0.982287i 0
2151.1 −0.968583 0.248690i 0 0.876307 + 0.481754i 0 0 0 −0.728969 0.684547i −0.929776 0.368125i 0
2351.1 −0.535827 0.844328i 0 −0.425779 + 0.904827i 0 0 0 0.992115 0.125333i 0.0627905 + 0.998027i 0
2451.1 0.187381 + 0.982287i 0 −0.929776 + 0.368125i 0 0 0 −0.535827 0.844328i 0.876307 + 0.481754i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 51.1
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.g even 25 1 inner
500.p odd 50 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2500.1.p.a 20
4.b odd 2 1 CM 2500.1.p.a 20
5.b even 2 1 500.1.p.a 20
5.c odd 4 2 2500.1.n.a 40
20.d odd 2 1 500.1.p.a 20
20.e even 4 2 2500.1.n.a 40
125.g even 25 1 inner 2500.1.p.a 20
125.h even 50 1 500.1.p.a 20
125.i odd 100 2 2500.1.n.a 40
500.n odd 50 1 500.1.p.a 20
500.p odd 50 1 inner 2500.1.p.a 20
500.r even 100 2 2500.1.n.a 40
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
500.1.p.a 20 5.b even 2 1
500.1.p.a 20 20.d odd 2 1
500.1.p.a 20 125.h even 50 1
500.1.p.a 20 500.n odd 50 1
2500.1.n.a 40 5.c odd 4 2
2500.1.n.a 40 20.e even 4 2
2500.1.n.a 40 125.i odd 100 2
2500.1.n.a 40 500.r even 100 2
2500.1.p.a 20 1.a even 1 1 trivial
2500.1.p.a 20 4.b odd 2 1 CM
2500.1.p.a 20 125.g even 25 1 inner
2500.1.p.a 20 500.p odd 50 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(2500, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{20} - T^{15} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{20} \) Copy content Toggle raw display
$5$ \( T^{20} \) Copy content Toggle raw display
$7$ \( T^{20} \) Copy content Toggle raw display
$11$ \( T^{20} \) Copy content Toggle raw display
$13$ \( T^{20} + 20 T^{17} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{20} - 5 T^{17} + \cdots + 1 \) Copy content Toggle raw display
$19$ \( T^{20} \) Copy content Toggle raw display
$23$ \( T^{20} \) Copy content Toggle raw display
$29$ \( T^{20} + 5 T^{17} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{20} \) Copy content Toggle raw display
$37$ \( T^{20} - 5 T^{19} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{20} + 5 T^{17} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{20} \) Copy content Toggle raw display
$47$ \( T^{20} \) Copy content Toggle raw display
$53$ \( T^{20} - 5 T^{19} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{20} \) Copy content Toggle raw display
$61$ \( T^{20} - 20 T^{17} + \cdots + 1 \) Copy content Toggle raw display
$67$ \( T^{20} \) Copy content Toggle raw display
$71$ \( T^{20} \) Copy content Toggle raw display
$73$ \( T^{20} - 5 T^{17} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{20} \) Copy content Toggle raw display
$83$ \( T^{20} \) Copy content Toggle raw display
$89$ \( T^{20} + 5 T^{19} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{20} - 5 T^{17} + \cdots + 1 \) Copy content Toggle raw display
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