Properties

 Label 2304.1.g.b Level $2304$ Weight $1$ Character orbit 2304.g Self dual yes Analytic conductor $1.150$ Analytic rank $0$ Dimension $1$ Projective image $D_{2}$ CM/RM discs -4, -8, 8 Inner twists $4$

Related objects

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [2304,1,Mod(1279,2304)]

mf = mfinit([N,k,chi],0)

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(2304, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([1, 0, 0]))

N = Newforms(chi, 1, names="a")

//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code

chi := DirichletCharacter("2304.1279");

S:= CuspForms(chi, 1);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$2304 = 2^{8} \cdot 3^{2}$$ Weight: $$k$$ $$=$$ $$1$$ Character orbit: $$[\chi]$$ $$=$$ 2304.g (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: yes Analytic conductor: $$1.14984578911$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 128) Projective image: $$D_{2}$$ Projective field: Galois closure of $$\Q(\zeta_{8})$$ Artin image: $D_4$ Artin field: Galois closure of 4.2.18432.3

$q$-expansion

comment: q-expansion

sage: f.q_expansion() # note that sage often uses an isomorphic number field

gp: mfcoefs(f, 20)

 $$f(q)$$ $$=$$ $$q+O(q^{10})$$ q $$q + 2 q^{17} - q^{25} + 2 q^{41} + q^{49} + 2 q^{73} - 2 q^{89} - 2 q^{97}+O(q^{100})$$ q + 2 * q^17 - q^25 + 2 * q^41 + q^49 + 2 * q^73 - 2 * q^89 - 2 * q^97

Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/2304\mathbb{Z}\right)^\times$$.

 $$n$$ $$1279$$ $$1793$$ $$2053$$ $$\chi(n)$$ $$1$$ $$0$$ $$0$$

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   $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
1279.1
 0
0 0 0 0 0 0 0 0 0
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

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 $$\Q(\sqrt{-2})$$

Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2304.1.g.b 1
3.b odd 2 1 256.1.c.a 1
4.b odd 2 1 CM 2304.1.g.b 1
8.b even 2 1 RM 2304.1.g.b 1
8.d odd 2 1 CM 2304.1.g.b 1
12.b even 2 1 256.1.c.a 1
16.e even 4 2 1152.1.b.a 1
16.f odd 4 2 1152.1.b.a 1
24.f even 2 1 256.1.c.a 1
24.h odd 2 1 256.1.c.a 1
48.i odd 4 2 128.1.d.a 1
48.k even 4 2 128.1.d.a 1
96.o even 8 4 1024.1.f.b 2
96.p odd 8 4 1024.1.f.b 2
240.t even 4 2 3200.1.g.a 1
240.z odd 4 2 3200.1.e.a 2
240.bb even 4 2 3200.1.e.a 2
240.bd odd 4 2 3200.1.e.a 2
240.bf even 4 2 3200.1.e.a 2
240.bm odd 4 2 3200.1.g.a 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
128.1.d.a 1 48.i odd 4 2
128.1.d.a 1 48.k even 4 2
256.1.c.a 1 3.b odd 2 1
256.1.c.a 1 12.b even 2 1
256.1.c.a 1 24.f even 2 1
256.1.c.a 1 24.h odd 2 1
1024.1.f.b 2 96.o even 8 4
1024.1.f.b 2 96.p odd 8 4
1152.1.b.a 1 16.e even 4 2
1152.1.b.a 1 16.f odd 4 2
2304.1.g.b 1 1.a even 1 1 trivial
2304.1.g.b 1 4.b odd 2 1 CM
2304.1.g.b 1 8.b even 2 1 RM
2304.1.g.b 1 8.d odd 2 1 CM
3200.1.e.a 2 240.z odd 4 2
3200.1.e.a 2 240.bb even 4 2
3200.1.e.a 2 240.bd odd 4 2
3200.1.e.a 2 240.bf even 4 2
3200.1.g.a 1 240.t even 4 2
3200.1.g.a 1 240.bm odd 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{1}^{\mathrm{new}}(2304, [\chi])$$:

 $$T_{5}$$ T5 $$T_{7}$$ T7

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T$$
$5$ $$T$$
$7$ $$T$$
$11$ $$T$$
$13$ $$T$$
$17$ $$T - 2$$
$19$ $$T$$
$23$ $$T$$
$29$ $$T$$
$31$ $$T$$
$37$ $$T$$
$41$ $$T - 2$$
$43$ $$T$$
$47$ $$T$$
$53$ $$T$$
$59$ $$T$$
$61$ $$T$$
$67$ $$T$$
$71$ $$T$$
$73$ $$T - 2$$
$79$ $$T$$
$83$ $$T$$
$89$ $$T + 2$$
$97$ $$T + 2$$