Properties

Label 3200.1.e.a
Level $3200$
Weight $1$
Character orbit 3200.e
Analytic conductor $1.597$
Analytic rank $0$
Dimension $2$
Projective image $D_{2}$
CM/RM discs -4, -8, 8
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3200,1,Mod(1599,3200)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3200, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3200.1599");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3200 = 2^{7} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3200.e (of order \(2\), degree \(1\), 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: \(1.59700804043\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(i)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 128)
Projective image: \(D_{2}\)
Projective field: Galois closure of \(\Q(\zeta_{8})\)
Artin image: $D_4:C_2$
Artin field: Galois closure of 8.0.4096000000.1

$q$-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.

\(f(q)\) \(=\) \( q + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{9} - i q^{17} + q^{41} - q^{49} + i q^{73} + q^{81} + q^{89} - i q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{9} + 4 q^{41} - 2 q^{49} + 2 q^{81} + 4 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3200\mathbb{Z}\right)^\times\).

\(n\) \(901\) \(1151\) \(2177\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1599.1
1.00000i
1.00000i
0 0 0 0 0 0 0 1.00000 0
1599.2 0 0 0 0 0 0 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 CM by \(\Q(\sqrt{-1}) \)
8.b even 2 1 RM by \(\Q(\sqrt{2}) \)
8.d odd 2 1 CM by \(\Q(\sqrt{-2}) \)
5.b even 2 1 inner
20.d odd 2 1 inner
40.e odd 2 1 inner
40.f even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3200.1.e.a 2
4.b odd 2 1 CM 3200.1.e.a 2
5.b even 2 1 inner 3200.1.e.a 2
5.c odd 4 1 128.1.d.a 1
5.c odd 4 1 3200.1.g.a 1
8.b even 2 1 RM 3200.1.e.a 2
8.d odd 2 1 CM 3200.1.e.a 2
15.e even 4 1 1152.1.b.a 1
20.d odd 2 1 inner 3200.1.e.a 2
20.e even 4 1 128.1.d.a 1
20.e even 4 1 3200.1.g.a 1
40.e odd 2 1 inner 3200.1.e.a 2
40.f even 2 1 inner 3200.1.e.a 2
40.i odd 4 1 128.1.d.a 1
40.i odd 4 1 3200.1.g.a 1
40.k even 4 1 128.1.d.a 1
40.k even 4 1 3200.1.g.a 1
60.l odd 4 1 1152.1.b.a 1
80.i odd 4 1 256.1.c.a 1
80.j even 4 1 256.1.c.a 1
80.s even 4 1 256.1.c.a 1
80.t odd 4 1 256.1.c.a 1
120.q odd 4 1 1152.1.b.a 1
120.w even 4 1 1152.1.b.a 1
160.u even 8 2 1024.1.f.b 2
160.v odd 8 2 1024.1.f.b 2
160.ba even 8 2 1024.1.f.b 2
160.bb odd 8 2 1024.1.f.b 2
240.z odd 4 1 2304.1.g.b 1
240.bb even 4 1 2304.1.g.b 1
240.bd odd 4 1 2304.1.g.b 1
240.bf even 4 1 2304.1.g.b 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
128.1.d.a 1 5.c odd 4 1
128.1.d.a 1 20.e even 4 1
128.1.d.a 1 40.i odd 4 1
128.1.d.a 1 40.k even 4 1
256.1.c.a 1 80.i odd 4 1
256.1.c.a 1 80.j even 4 1
256.1.c.a 1 80.s even 4 1
256.1.c.a 1 80.t odd 4 1
1024.1.f.b 2 160.u even 8 2
1024.1.f.b 2 160.v odd 8 2
1024.1.f.b 2 160.ba even 8 2
1024.1.f.b 2 160.bb odd 8 2
1152.1.b.a 1 15.e even 4 1
1152.1.b.a 1 60.l odd 4 1
1152.1.b.a 1 120.q odd 4 1
1152.1.b.a 1 120.w even 4 1
2304.1.g.b 1 240.z odd 4 1
2304.1.g.b 1 240.bb even 4 1
2304.1.g.b 1 240.bd odd 4 1
2304.1.g.b 1 240.bf even 4 1
3200.1.e.a 2 1.a even 1 1 trivial
3200.1.e.a 2 4.b odd 2 1 CM
3200.1.e.a 2 5.b even 2 1 inner
3200.1.e.a 2 8.b even 2 1 RM
3200.1.e.a 2 8.d odd 2 1 CM
3200.1.e.a 2 20.d odd 2 1 inner
3200.1.e.a 2 40.e odd 2 1 inner
3200.1.e.a 2 40.f even 2 1 inner
3200.1.g.a 1 5.c odd 4 1
3200.1.g.a 1 20.e even 4 1
3200.1.g.a 1 40.i odd 4 1
3200.1.g.a 1 40.k even 4 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3} \) acting on \(S_{1}^{\mathrm{new}}(3200, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} \) Copy content Toggle raw display
$11$ \( T^{2} \) Copy content Toggle raw display
$13$ \( T^{2} \) Copy content Toggle raw display
$17$ \( T^{2} + 4 \) Copy content Toggle raw display
$19$ \( T^{2} \) Copy content Toggle raw display
$23$ \( T^{2} \) Copy content Toggle raw display
$29$ \( T^{2} \) Copy content Toggle raw display
$31$ \( T^{2} \) Copy content Toggle raw display
$37$ \( T^{2} \) Copy content Toggle raw display
$41$ \( (T - 2)^{2} \) Copy content Toggle raw display
$43$ \( T^{2} \) Copy content Toggle raw display
$47$ \( T^{2} \) Copy content Toggle raw display
$53$ \( T^{2} \) Copy content Toggle raw display
$59$ \( T^{2} \) Copy content Toggle raw display
$61$ \( T^{2} \) Copy content Toggle raw display
$67$ \( T^{2} \) Copy content Toggle raw display
$71$ \( T^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 4 \) Copy content Toggle raw display
$79$ \( T^{2} \) Copy content Toggle raw display
$83$ \( T^{2} \) Copy content Toggle raw display
$89$ \( (T - 2)^{2} \) Copy content Toggle raw display
$97$ \( T^{2} + 4 \) Copy content Toggle raw display
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