# Properties

 Label 4800.2.a.u Level $4800$ Weight $2$ Character orbit 4800.a Self dual yes Analytic conductor $38.328$ Analytic rank $0$ 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] = [4800,2,Mod(1,4800)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(4800, 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("4800.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$4800 = 2^{6} \cdot 3 \cdot 5^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 4800.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: $$38.3281929702$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 480) 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)

 $$f(q)$$ $$=$$ $$q - q^{3} + q^{9}+O(q^{10})$$ q - q^3 + q^9 $$q - q^{3} + q^{9} + 4 q^{11} + 2 q^{13} + 2 q^{17} + 8 q^{19} + 4 q^{23} - q^{27} + 6 q^{29} - 4 q^{33} + 2 q^{37} - 2 q^{39} - 6 q^{41} - 4 q^{43} - 12 q^{47} - 7 q^{49} - 2 q^{51} - 6 q^{53} - 8 q^{57} + 12 q^{59} - 14 q^{61} + 12 q^{67} - 4 q^{69} - 2 q^{73} + 8 q^{79} + q^{81} + 4 q^{83} - 6 q^{87} + 2 q^{89} + 14 q^{97} + 4 q^{99}+O(q^{100})$$ q - q^3 + q^9 + 4 * q^11 + 2 * q^13 + 2 * q^17 + 8 * q^19 + 4 * q^23 - q^27 + 6 * q^29 - 4 * q^33 + 2 * q^37 - 2 * q^39 - 6 * q^41 - 4 * q^43 - 12 * q^47 - 7 * q^49 - 2 * q^51 - 6 * q^53 - 8 * q^57 + 12 * q^59 - 14 * q^61 + 12 * q^67 - 4 * q^69 - 2 * q^73 + 8 * q^79 + q^81 + 4 * q^83 - 6 * q^87 + 2 * q^89 + 14 * q^97 + 4 * q^99

## 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 −1.00000 0 0 0 0 0 1.00000 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 4800.2.a.u 1
4.b odd 2 1 4800.2.a.ca 1
5.b even 2 1 960.2.a.o 1
5.c odd 4 2 4800.2.f.ba 2
8.b even 2 1 2400.2.a.y 1
8.d odd 2 1 2400.2.a.j 1
15.d odd 2 1 2880.2.a.i 1
20.d odd 2 1 960.2.a.f 1
20.e even 4 2 4800.2.f.j 2
24.f even 2 1 7200.2.a.u 1
24.h odd 2 1 7200.2.a.bg 1
40.e odd 2 1 480.2.a.e yes 1
40.f even 2 1 480.2.a.b 1
40.i odd 4 2 2400.2.f.e 2
40.k even 4 2 2400.2.f.n 2
60.h even 2 1 2880.2.a.j 1
80.k odd 4 2 3840.2.k.k 2
80.q even 4 2 3840.2.k.p 2
120.i odd 2 1 1440.2.a.k 1
120.m even 2 1 1440.2.a.j 1
120.q odd 4 2 7200.2.f.b 2
120.w even 4 2 7200.2.f.bb 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
480.2.a.b 1 40.f even 2 1
480.2.a.e yes 1 40.e odd 2 1
960.2.a.f 1 20.d odd 2 1
960.2.a.o 1 5.b even 2 1
1440.2.a.j 1 120.m even 2 1
1440.2.a.k 1 120.i odd 2 1
2400.2.a.j 1 8.d odd 2 1
2400.2.a.y 1 8.b even 2 1
2400.2.f.e 2 40.i odd 4 2
2400.2.f.n 2 40.k even 4 2
2880.2.a.i 1 15.d odd 2 1
2880.2.a.j 1 60.h even 2 1
3840.2.k.k 2 80.k odd 4 2
3840.2.k.p 2 80.q even 4 2
4800.2.a.u 1 1.a even 1 1 trivial
4800.2.a.ca 1 4.b odd 2 1
4800.2.f.j 2 20.e even 4 2
4800.2.f.ba 2 5.c odd 4 2
7200.2.a.u 1 24.f even 2 1
7200.2.a.bg 1 24.h odd 2 1
7200.2.f.b 2 120.q odd 4 2
7200.2.f.bb 2 120.w even 4 2

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(4800))$$:

 $$T_{7}$$ T7 $$T_{11} - 4$$ T11 - 4 $$T_{13} - 2$$ T13 - 2 $$T_{19} - 8$$ T19 - 8 $$T_{23} - 4$$ T23 - 4

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T + 1$$
$5$ $$T$$
$7$ $$T$$
$11$ $$T - 4$$
$13$ $$T - 2$$
$17$ $$T - 2$$
$19$ $$T - 8$$
$23$ $$T - 4$$
$29$ $$T - 6$$
$31$ $$T$$
$37$ $$T - 2$$
$41$ $$T + 6$$
$43$ $$T + 4$$
$47$ $$T + 12$$
$53$ $$T + 6$$
$59$ $$T - 12$$
$61$ $$T + 14$$
$67$ $$T - 12$$
$71$ $$T$$
$73$ $$T + 2$$
$79$ $$T - 8$$
$83$ $$T - 4$$
$89$ $$T - 2$$
$97$ $$T - 14$$