# Properties

 Label 4928.2.a.bj Level $4928$ Weight $2$ Character orbit 4928.a Self dual yes Analytic conductor $39.350$ 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] = [4928,2,Mod(1,4928)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(4928, 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("4928.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$4928 = 2^{6} \cdot 7 \cdot 11$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 4928.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: $$39.3502781161$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 77) 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)

 $$f(q)$$ $$=$$ $$q + 3 q^{3} + q^{5} - q^{7} + 6 q^{9}+O(q^{10})$$ q + 3 * q^3 + q^5 - q^7 + 6 * q^9 $$q + 3 q^{3} + q^{5} - q^{7} + 6 q^{9} + q^{11} + 4 q^{13} + 3 q^{15} + 2 q^{17} + 6 q^{19} - 3 q^{21} - 5 q^{23} - 4 q^{25} + 9 q^{27} - 10 q^{29} + q^{31} + 3 q^{33} - q^{35} + 5 q^{37} + 12 q^{39} - 2 q^{41} + 8 q^{43} + 6 q^{45} + 8 q^{47} + q^{49} + 6 q^{51} + 6 q^{53} + q^{55} + 18 q^{57} - 3 q^{59} + 2 q^{61} - 6 q^{63} + 4 q^{65} + 3 q^{67} - 15 q^{69} + q^{71} + 10 q^{73} - 12 q^{75} - q^{77} + 6 q^{79} + 9 q^{81} - 12 q^{83} + 2 q^{85} - 30 q^{87} - 15 q^{89} - 4 q^{91} + 3 q^{93} + 6 q^{95} - 5 q^{97} + 6 q^{99}+O(q^{100})$$ q + 3 * q^3 + q^5 - q^7 + 6 * q^9 + q^11 + 4 * q^13 + 3 * q^15 + 2 * q^17 + 6 * q^19 - 3 * q^21 - 5 * q^23 - 4 * q^25 + 9 * q^27 - 10 * q^29 + q^31 + 3 * q^33 - q^35 + 5 * q^37 + 12 * q^39 - 2 * q^41 + 8 * q^43 + 6 * q^45 + 8 * q^47 + q^49 + 6 * q^51 + 6 * q^53 + q^55 + 18 * q^57 - 3 * q^59 + 2 * q^61 - 6 * q^63 + 4 * q^65 + 3 * q^67 - 15 * q^69 + q^71 + 10 * q^73 - 12 * q^75 - q^77 + 6 * q^79 + 9 * q^81 - 12 * q^83 + 2 * q^85 - 30 * q^87 - 15 * q^89 - 4 * q^91 + 3 * q^93 + 6 * q^95 - 5 * 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 3.00000 0 1.00000 0 −1.00000 0 6.00000 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
$$2$$ $$1$$
$$7$$ $$1$$
$$11$$ $$-1$$

## 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 4928.2.a.bj 1
4.b odd 2 1 4928.2.a.a 1
8.b even 2 1 77.2.a.a 1
8.d odd 2 1 1232.2.a.l 1
24.h odd 2 1 693.2.a.c 1
40.f even 2 1 1925.2.a.h 1
40.i odd 4 2 1925.2.b.e 2
56.e even 2 1 8624.2.a.a 1
56.h odd 2 1 539.2.a.c 1
56.j odd 6 2 539.2.e.c 2
56.p even 6 2 539.2.e.f 2
88.b odd 2 1 847.2.a.b 1
88.o even 10 4 847.2.f.i 4
88.p odd 10 4 847.2.f.h 4
168.i even 2 1 4851.2.a.j 1
264.m even 2 1 7623.2.a.j 1
616.o even 2 1 5929.2.a.f 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
77.2.a.a 1 8.b even 2 1
539.2.a.c 1 56.h odd 2 1
539.2.e.c 2 56.j odd 6 2
539.2.e.f 2 56.p even 6 2
693.2.a.c 1 24.h odd 2 1
847.2.a.b 1 88.b odd 2 1
847.2.f.h 4 88.p odd 10 4
847.2.f.i 4 88.o even 10 4
1232.2.a.l 1 8.d odd 2 1
1925.2.a.h 1 40.f even 2 1
1925.2.b.e 2 40.i odd 4 2
4851.2.a.j 1 168.i even 2 1
4928.2.a.a 1 4.b odd 2 1
4928.2.a.bj 1 1.a even 1 1 trivial
5929.2.a.f 1 616.o even 2 1
7623.2.a.j 1 264.m even 2 1
8624.2.a.a 1 56.e even 2 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(4928))$$:

 $$T_{3} - 3$$ T3 - 3 $$T_{5} - 1$$ T5 - 1 $$T_{13} - 4$$ T13 - 4 $$T_{17} - 2$$ T17 - 2 $$T_{19} - 6$$ T19 - 6 $$T_{23} + 5$$ T23 + 5

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T - 3$$
$5$ $$T - 1$$
$7$ $$T + 1$$
$11$ $$T - 1$$
$13$ $$T - 4$$
$17$ $$T - 2$$
$19$ $$T - 6$$
$23$ $$T + 5$$
$29$ $$T + 10$$
$31$ $$T - 1$$
$37$ $$T - 5$$
$41$ $$T + 2$$
$43$ $$T - 8$$
$47$ $$T - 8$$
$53$ $$T - 6$$
$59$ $$T + 3$$
$61$ $$T - 2$$
$67$ $$T - 3$$
$71$ $$T - 1$$
$73$ $$T - 10$$
$79$ $$T - 6$$
$83$ $$T + 12$$
$89$ $$T + 15$$
$97$ $$T + 5$$