Properties

 Label 6480.2.a.d Level $6480$ Weight $2$ Character orbit 6480.a Self dual yes Analytic conductor $51.743$ Analytic rank $1$ Dimension $1$ CM no Inner twists $1$

Related objects

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [6480,2,Mod(1,6480)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(6480, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([0, 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("6480.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$6480 = 2^{4} \cdot 3^{4} \cdot 5$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 6480.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: $$51.7430605098$$ Analytic rank: $$1$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 3240) 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)

 $$f(q)$$ $$=$$ $$q - q^{5}+O(q^{10})$$ q - q^5 $$q - q^{5} - q^{11} + 7 q^{19} - 6 q^{23} + q^{25} - 7 q^{29} - q^{31} - 2 q^{37} + 9 q^{41} + 6 q^{43} + 2 q^{47} - 7 q^{49} + q^{55} - 3 q^{59} - 10 q^{61} + 2 q^{67} - q^{71} - 4 q^{79} + 6 q^{83} - 7 q^{89} - 7 q^{95} + 2 q^{97}+O(q^{100})$$ q - q^5 - q^11 + 7 * q^19 - 6 * q^23 + q^25 - 7 * q^29 - q^31 - 2 * q^37 + 9 * q^41 + 6 * q^43 + 2 * q^47 - 7 * q^49 + q^55 - 3 * q^59 - 10 * q^61 + 2 * q^67 - q^71 - 4 * q^79 + 6 * q^83 - 7 * q^89 - 7 * q^95 + 2 * q^97

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
 0
0 0 0 −1.00000 0 0 0 0 0
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

Atkin-Lehner signs

$$p$$ Sign
$$2$$ $$+1$$
$$3$$ $$+1$$
$$5$$ $$+1$$

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 6480.2.a.d 1
3.b odd 2 1 6480.2.a.s 1
4.b odd 2 1 3240.2.a.c 1
12.b even 2 1 3240.2.a.e yes 1
36.f odd 6 2 3240.2.q.r 2
36.h even 6 2 3240.2.q.f 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3240.2.a.c 1 4.b odd 2 1
3240.2.a.e yes 1 12.b even 2 1
3240.2.q.f 2 36.h even 6 2
3240.2.q.r 2 36.f odd 6 2
6480.2.a.d 1 1.a even 1 1 trivial
6480.2.a.s 1 3.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(6480))$$:

 $$T_{7}$$ T7 $$T_{11} + 1$$ T11 + 1 $$T_{13}$$ T13 $$T_{17}$$ T17 $$T_{19} - 7$$ T19 - 7 $$T_{23} + 6$$ T23 + 6

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T$$
$5$ $$T + 1$$
$7$ $$T$$
$11$ $$T + 1$$
$13$ $$T$$
$17$ $$T$$
$19$ $$T - 7$$
$23$ $$T + 6$$
$29$ $$T + 7$$
$31$ $$T + 1$$
$37$ $$T + 2$$
$41$ $$T - 9$$
$43$ $$T - 6$$
$47$ $$T - 2$$
$53$ $$T$$
$59$ $$T + 3$$
$61$ $$T + 10$$
$67$ $$T - 2$$
$71$ $$T + 1$$
$73$ $$T$$
$79$ $$T + 4$$
$83$ $$T - 6$$
$89$ $$T + 7$$
$97$ $$T - 2$$