# Properties

 Label 3528.2.s.a Level $3528$ Weight $2$ Character orbit 3528.s Analytic conductor $28.171$ Analytic rank $0$ Dimension $2$ CM no Inner twists $2$

# Related objects

Show commands: Magma / PariGP / SageMath

## Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [3528,2,Mod(361,3528)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(3528, base_ring=CyclotomicField(6))

chi = DirichletCharacter(H, H._module([0, 0, 0, 4]))

N = Newforms(chi, 2, names="a")

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

chi := DirichletCharacter("3528.361");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$3528 = 2^{3} \cdot 3^{2} \cdot 7^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 3528.s (of order $$3$$, degree $$2$$, 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: no Analytic conductor: $$28.1712218331$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-3})$$ comment: defining polynomial  gp: f.mod \\ as an extension of the character field Defining polynomial: $$x^{2} - x + 1$$ x^2 - x + 1 Coefficient ring: $$\Z[a_1, \ldots, a_{25}]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 56) Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

## $q$-expansion

comment: q-expansion

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

gp: mfcoefs(f, 20)

Coefficients of the $$q$$-expansion are expressed in terms of a primitive root of unity $$\zeta_{6}$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q - 4 \zeta_{6} q^{5} +O(q^{10})$$ q - 4*z * q^5 $$q - 4 \zeta_{6} q^{5} + (2 \zeta_{6} - 2) q^{17} + 2 \zeta_{6} q^{19} + 8 \zeta_{6} q^{23} + (11 \zeta_{6} - 11) q^{25} - 2 q^{29} + (4 \zeta_{6} - 4) q^{31} + 6 \zeta_{6} q^{37} + 2 q^{41} + 8 q^{43} - 4 \zeta_{6} q^{47} + (10 \zeta_{6} - 10) q^{53} + ( - 6 \zeta_{6} + 6) q^{59} - 4 \zeta_{6} q^{61} + ( - 12 \zeta_{6} + 12) q^{67} + ( - 14 \zeta_{6} + 14) q^{73} + 8 \zeta_{6} q^{79} - 6 q^{83} + 8 q^{85} + 10 \zeta_{6} q^{89} + ( - 8 \zeta_{6} + 8) q^{95} - 2 q^{97} +O(q^{100})$$ q - 4*z * q^5 + (2*z - 2) * q^17 + 2*z * q^19 + 8*z * q^23 + (11*z - 11) * q^25 - 2 * q^29 + (4*z - 4) * q^31 + 6*z * q^37 + 2 * q^41 + 8 * q^43 - 4*z * q^47 + (10*z - 10) * q^53 + (-6*z + 6) * q^59 - 4*z * q^61 + (-12*z + 12) * q^67 + (-14*z + 14) * q^73 + 8*z * q^79 - 6 * q^83 + 8 * q^85 + 10*z * q^89 + (-8*z + 8) * q^95 - 2 * q^97 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q - 4 q^{5}+O(q^{10})$$ 2 * q - 4 * q^5 $$2 q - 4 q^{5} - 2 q^{17} + 2 q^{19} + 8 q^{23} - 11 q^{25} - 4 q^{29} - 4 q^{31} + 6 q^{37} + 4 q^{41} + 16 q^{43} - 4 q^{47} - 10 q^{53} + 6 q^{59} - 4 q^{61} + 12 q^{67} + 14 q^{73} + 8 q^{79} - 12 q^{83} + 16 q^{85} + 10 q^{89} + 8 q^{95} - 4 q^{97}+O(q^{100})$$ 2 * q - 4 * q^5 - 2 * q^17 + 2 * q^19 + 8 * q^23 - 11 * q^25 - 4 * q^29 - 4 * q^31 + 6 * q^37 + 4 * q^41 + 16 * q^43 - 4 * q^47 - 10 * q^53 + 6 * q^59 - 4 * q^61 + 12 * q^67 + 14 * q^73 + 8 * q^79 - 12 * q^83 + 16 * q^85 + 10 * q^89 + 8 * q^95 - 4 * q^97

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/3528\mathbb{Z}\right)^\times$$.

 $$n$$ $$785$$ $$1081$$ $$1765$$ $$2647$$ $$\chi(n)$$ $$1$$ $$-\zeta_{6}$$ $$1$$ $$1$$

## 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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
361.1
 0.5 + 0.866025i 0.5 − 0.866025i
0 0 0 −2.00000 3.46410i 0 0 0 0 0
3313.1 0 0 0 −2.00000 + 3.46410i 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
7.c even 3 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3528.2.s.a 2
3.b odd 2 1 392.2.i.a 2
7.b odd 2 1 3528.2.s.ba 2
7.c even 3 1 504.2.a.h 1
7.c even 3 1 inner 3528.2.s.a 2
7.d odd 6 1 3528.2.a.b 1
7.d odd 6 1 3528.2.s.ba 2
12.b even 2 1 784.2.i.j 2
21.c even 2 1 392.2.i.e 2
21.g even 6 1 392.2.a.b 1
21.g even 6 1 392.2.i.e 2
21.h odd 6 1 56.2.a.b 1
21.h odd 6 1 392.2.i.a 2
28.f even 6 1 7056.2.a.c 1
28.g odd 6 1 1008.2.a.m 1
56.k odd 6 1 4032.2.a.a 1
56.p even 6 1 4032.2.a.d 1
84.h odd 2 1 784.2.i.b 2
84.j odd 6 1 784.2.a.i 1
84.j odd 6 1 784.2.i.b 2
84.n even 6 1 112.2.a.a 1
84.n even 6 1 784.2.i.j 2
105.o odd 6 1 1400.2.a.a 1
105.p even 6 1 9800.2.a.bj 1
105.x even 12 2 1400.2.g.b 2
168.s odd 6 1 448.2.a.c 1
168.v even 6 1 448.2.a.h 1
168.ba even 6 1 3136.2.a.w 1
168.be odd 6 1 3136.2.a.c 1
231.l even 6 1 6776.2.a.h 1
273.w odd 6 1 9464.2.a.h 1
336.bt odd 12 2 1792.2.b.a 2
336.bu even 12 2 1792.2.b.h 2
420.ba even 6 1 2800.2.a.bd 1
420.bp odd 12 2 2800.2.g.g 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
56.2.a.b 1 21.h odd 6 1
112.2.a.a 1 84.n even 6 1
392.2.a.b 1 21.g even 6 1
392.2.i.a 2 3.b odd 2 1
392.2.i.a 2 21.h odd 6 1
392.2.i.e 2 21.c even 2 1
392.2.i.e 2 21.g even 6 1
448.2.a.c 1 168.s odd 6 1
448.2.a.h 1 168.v even 6 1
504.2.a.h 1 7.c even 3 1
784.2.a.i 1 84.j odd 6 1
784.2.i.b 2 84.h odd 2 1
784.2.i.b 2 84.j odd 6 1
784.2.i.j 2 12.b even 2 1
784.2.i.j 2 84.n even 6 1
1008.2.a.m 1 28.g odd 6 1
1400.2.a.a 1 105.o odd 6 1
1400.2.g.b 2 105.x even 12 2
1792.2.b.a 2 336.bt odd 12 2
1792.2.b.h 2 336.bu even 12 2
2800.2.a.bd 1 420.ba even 6 1
2800.2.g.g 2 420.bp odd 12 2
3136.2.a.c 1 168.be odd 6 1
3136.2.a.w 1 168.ba even 6 1
3528.2.a.b 1 7.d odd 6 1
3528.2.s.a 2 1.a even 1 1 trivial
3528.2.s.a 2 7.c even 3 1 inner
3528.2.s.ba 2 7.b odd 2 1
3528.2.s.ba 2 7.d odd 6 1
4032.2.a.a 1 56.k odd 6 1
4032.2.a.d 1 56.p even 6 1
6776.2.a.h 1 231.l even 6 1
7056.2.a.c 1 28.f even 6 1
9464.2.a.h 1 273.w odd 6 1
9800.2.a.bj 1 105.p even 6 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(3528, [\chi])$$:

 $$T_{5}^{2} + 4T_{5} + 16$$ T5^2 + 4*T5 + 16 $$T_{11}$$ T11 $$T_{13}$$ T13 $$T_{23}^{2} - 8T_{23} + 64$$ T23^2 - 8*T23 + 64

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2}$$
$3$ $$T^{2}$$
$5$ $$T^{2} + 4T + 16$$
$7$ $$T^{2}$$
$11$ $$T^{2}$$
$13$ $$T^{2}$$
$17$ $$T^{2} + 2T + 4$$
$19$ $$T^{2} - 2T + 4$$
$23$ $$T^{2} - 8T + 64$$
$29$ $$(T + 2)^{2}$$
$31$ $$T^{2} + 4T + 16$$
$37$ $$T^{2} - 6T + 36$$
$41$ $$(T - 2)^{2}$$
$43$ $$(T - 8)^{2}$$
$47$ $$T^{2} + 4T + 16$$
$53$ $$T^{2} + 10T + 100$$
$59$ $$T^{2} - 6T + 36$$
$61$ $$T^{2} + 4T + 16$$
$67$ $$T^{2} - 12T + 144$$
$71$ $$T^{2}$$
$73$ $$T^{2} - 14T + 196$$
$79$ $$T^{2} - 8T + 64$$
$83$ $$(T + 6)^{2}$$
$89$ $$T^{2} - 10T + 100$$
$97$ $$(T + 2)^{2}$$