# Properties

 Label 4800.2.a.cs 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 600) 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)

 $$f(q)$$ $$=$$ $$q + q^{3} + 5 q^{7} + q^{9}+O(q^{10})$$ q + q^3 + 5 * q^7 + q^9 $$q + q^{3} + 5 q^{7} + q^{9} - 6 q^{11} + 3 q^{13} - 2 q^{17} + q^{19} + 5 q^{21} + 2 q^{23} + q^{27} - 6 q^{29} - 3 q^{31} - 6 q^{33} + 6 q^{37} + 3 q^{39} + 4 q^{41} + 11 q^{43} + 10 q^{47} + 18 q^{49} - 2 q^{51} + 8 q^{53} + q^{57} - 6 q^{59} - 3 q^{61} + 5 q^{63} - q^{67} + 2 q^{69} + 12 q^{71} + 10 q^{73} - 30 q^{77} + 8 q^{79} + q^{81} - 6 q^{83} - 6 q^{87} - 16 q^{89} + 15 q^{91} - 3 q^{93} - 7 q^{97} - 6 q^{99}+O(q^{100})$$ q + q^3 + 5 * q^7 + q^9 - 6 * q^11 + 3 * q^13 - 2 * q^17 + q^19 + 5 * q^21 + 2 * q^23 + q^27 - 6 * q^29 - 3 * q^31 - 6 * q^33 + 6 * q^37 + 3 * q^39 + 4 * q^41 + 11 * q^43 + 10 * q^47 + 18 * q^49 - 2 * q^51 + 8 * q^53 + q^57 - 6 * q^59 - 3 * q^61 + 5 * q^63 - q^67 + 2 * q^69 + 12 * q^71 + 10 * q^73 - 30 * q^77 + 8 * q^79 + q^81 - 6 * q^83 - 6 * q^87 - 16 * q^89 + 15 * q^91 - 3 * q^93 - 7 * q^97 - 6 * 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 5.00000 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.cs 1
4.b odd 2 1 4800.2.a.b 1
5.b even 2 1 4800.2.a.a 1
5.c odd 4 2 4800.2.f.a 2
8.b even 2 1 1200.2.a.i 1
8.d odd 2 1 600.2.a.f yes 1
20.d odd 2 1 4800.2.a.ct 1
20.e even 4 2 4800.2.f.bj 2
24.f even 2 1 1800.2.a.a 1
24.h odd 2 1 3600.2.a.bq 1
40.e odd 2 1 600.2.a.e 1
40.f even 2 1 1200.2.a.j 1
40.i odd 4 2 1200.2.f.i 2
40.k even 4 2 600.2.f.a 2
120.i odd 2 1 3600.2.a.a 1
120.m even 2 1 1800.2.a.x 1
120.q odd 4 2 1800.2.f.k 2
120.w even 4 2 3600.2.f.b 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
600.2.a.e 1 40.e odd 2 1
600.2.a.f yes 1 8.d odd 2 1
600.2.f.a 2 40.k even 4 2
1200.2.a.i 1 8.b even 2 1
1200.2.a.j 1 40.f even 2 1
1200.2.f.i 2 40.i odd 4 2
1800.2.a.a 1 24.f even 2 1
1800.2.a.x 1 120.m even 2 1
1800.2.f.k 2 120.q odd 4 2
3600.2.a.a 1 120.i odd 2 1
3600.2.a.bq 1 24.h odd 2 1
3600.2.f.b 2 120.w even 4 2
4800.2.a.a 1 5.b even 2 1
4800.2.a.b 1 4.b odd 2 1
4800.2.a.cs 1 1.a even 1 1 trivial
4800.2.a.ct 1 20.d odd 2 1
4800.2.f.a 2 5.c odd 4 2
4800.2.f.bj 2 20.e even 4 2

## Hecke kernels

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

 $$T_{7} - 5$$ T7 - 5 $$T_{11} + 6$$ T11 + 6 $$T_{13} - 3$$ T13 - 3 $$T_{19} - 1$$ T19 - 1 $$T_{23} - 2$$ T23 - 2

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T - 1$$
$5$ $$T$$
$7$ $$T - 5$$
$11$ $$T + 6$$
$13$ $$T - 3$$
$17$ $$T + 2$$
$19$ $$T - 1$$
$23$ $$T - 2$$
$29$ $$T + 6$$
$31$ $$T + 3$$
$37$ $$T - 6$$
$41$ $$T - 4$$
$43$ $$T - 11$$
$47$ $$T - 10$$
$53$ $$T - 8$$
$59$ $$T + 6$$
$61$ $$T + 3$$
$67$ $$T + 1$$
$71$ $$T - 12$$
$73$ $$T - 10$$
$79$ $$T - 8$$
$83$ $$T + 6$$
$89$ $$T + 16$$
$97$ $$T + 7$$