# Properties

 Label 3330.2.d.f Level $3330$ Weight $2$ Character orbit 3330.d Analytic conductor $26.590$ 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] = [3330,2,Mod(1999,3330)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(3330, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([0, 1, 0]))

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

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

chi := DirichletCharacter("3330.1999");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$3330 = 2 \cdot 3^{2} \cdot 5 \cdot 37$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 3330.d (of order $$2$$, degree $$1$$, 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: $$26.5901838731$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-1})$$ comment: defining polynomial  gp: f.mod \\ as an extension of the character field Defining polynomial: $$x^{2} + 1$$ x^2 + 1 Coefficient ring: $$\Z[a_1, a_2]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 370) Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

## $q$-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 $$i = \sqrt{-1}$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + i q^{2} - q^{4} + ( - i + 2) q^{5} + 2 i q^{7} - i q^{8} +O(q^{10})$$ q + i * q^2 - q^4 + (-i + 2) * q^5 + 2*i * q^7 - i * q^8 $$q + i q^{2} - q^{4} + ( - i + 2) q^{5} + 2 i q^{7} - i q^{8} + (2 i + 1) q^{10} + 2 i q^{13} - 2 q^{14} + q^{16} - 6 i q^{17} + 6 q^{19} + (i - 2) q^{20} - 4 i q^{23} + ( - 4 i + 3) q^{25} - 2 q^{26} - 2 i q^{28} - 4 q^{31} + i q^{32} + 6 q^{34} + (4 i + 2) q^{35} + i q^{37} + 6 i q^{38} + ( - 2 i - 1) q^{40} + 10 q^{41} - 4 i q^{43} + 4 q^{46} - 2 i q^{47} + 3 q^{49} + (3 i + 4) q^{50} - 2 i q^{52} - 2 i q^{53} + 2 q^{56} - 6 q^{59} - 4 i q^{62} - q^{64} + (4 i + 2) q^{65} - 8 i q^{67} + 6 i q^{68} + (2 i - 4) q^{70} + 8 i q^{73} - q^{74} - 6 q^{76} - 4 q^{79} + ( - i + 2) q^{80} + 10 i q^{82} + 12 i q^{83} + ( - 12 i - 6) q^{85} + 4 q^{86} + 6 q^{89} - 4 q^{91} + 4 i q^{92} + 2 q^{94} + ( - 6 i + 12) q^{95} + 10 i q^{97} + 3 i q^{98} +O(q^{100})$$ q + i * q^2 - q^4 + (-i + 2) * q^5 + 2*i * q^7 - i * q^8 + (2*i + 1) * q^10 + 2*i * q^13 - 2 * q^14 + q^16 - 6*i * q^17 + 6 * q^19 + (i - 2) * q^20 - 4*i * q^23 + (-4*i + 3) * q^25 - 2 * q^26 - 2*i * q^28 - 4 * q^31 + i * q^32 + 6 * q^34 + (4*i + 2) * q^35 + i * q^37 + 6*i * q^38 + (-2*i - 1) * q^40 + 10 * q^41 - 4*i * q^43 + 4 * q^46 - 2*i * q^47 + 3 * q^49 + (3*i + 4) * q^50 - 2*i * q^52 - 2*i * q^53 + 2 * q^56 - 6 * q^59 - 4*i * q^62 - q^64 + (4*i + 2) * q^65 - 8*i * q^67 + 6*i * q^68 + (2*i - 4) * q^70 + 8*i * q^73 - q^74 - 6 * q^76 - 4 * q^79 + (-i + 2) * q^80 + 10*i * q^82 + 12*i * q^83 + (-12*i - 6) * q^85 + 4 * q^86 + 6 * q^89 - 4 * q^91 + 4*i * q^92 + 2 * q^94 + (-6*i + 12) * q^95 + 10*i * q^97 + 3*i * q^98 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q - 2 q^{4} + 4 q^{5}+O(q^{10})$$ 2 * q - 2 * q^4 + 4 * q^5 $$2 q - 2 q^{4} + 4 q^{5} + 2 q^{10} - 4 q^{14} + 2 q^{16} + 12 q^{19} - 4 q^{20} + 6 q^{25} - 4 q^{26} - 8 q^{31} + 12 q^{34} + 4 q^{35} - 2 q^{40} + 20 q^{41} + 8 q^{46} + 6 q^{49} + 8 q^{50} + 4 q^{56} - 12 q^{59} - 2 q^{64} + 4 q^{65} - 8 q^{70} - 2 q^{74} - 12 q^{76} - 8 q^{79} + 4 q^{80} - 12 q^{85} + 8 q^{86} + 12 q^{89} - 8 q^{91} + 4 q^{94} + 24 q^{95}+O(q^{100})$$ 2 * q - 2 * q^4 + 4 * q^5 + 2 * q^10 - 4 * q^14 + 2 * q^16 + 12 * q^19 - 4 * q^20 + 6 * q^25 - 4 * q^26 - 8 * q^31 + 12 * q^34 + 4 * q^35 - 2 * q^40 + 20 * q^41 + 8 * q^46 + 6 * q^49 + 8 * q^50 + 4 * q^56 - 12 * q^59 - 2 * q^64 + 4 * q^65 - 8 * q^70 - 2 * q^74 - 12 * q^76 - 8 * q^79 + 4 * q^80 - 12 * q^85 + 8 * q^86 + 12 * q^89 - 8 * q^91 + 4 * q^94 + 24 * q^95

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/3330\mathbb{Z}\right)^\times$$.

 $$n$$ $$371$$ $$631$$ $$667$$ $$\chi(n)$$ $$1$$ $$1$$ $$-1$$

## 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   $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
1999.1
 − 1.00000i 1.00000i
1.00000i 0 −1.00000 2.00000 + 1.00000i 0 2.00000i 1.00000i 0 1.00000 2.00000i
1999.2 1.00000i 0 −1.00000 2.00000 1.00000i 0 2.00000i 1.00000i 0 1.00000 + 2.00000i
 $$n$$: 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
5.b even 2 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3330.2.d.f 2
3.b odd 2 1 370.2.b.a 2
5.b even 2 1 inner 3330.2.d.f 2
15.d odd 2 1 370.2.b.a 2
15.e even 4 1 1850.2.a.e 1
15.e even 4 1 1850.2.a.j 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
370.2.b.a 2 3.b odd 2 1
370.2.b.a 2 15.d odd 2 1
1850.2.a.e 1 15.e even 4 1
1850.2.a.j 1 15.e even 4 1
3330.2.d.f 2 1.a even 1 1 trivial
3330.2.d.f 2 5.b even 2 1 inner

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(3330, [\chi])$$:

 $$T_{7}^{2} + 4$$ T7^2 + 4 $$T_{11}$$ T11 $$T_{17}^{2} + 36$$ T17^2 + 36 $$T_{29}$$ T29

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2} + 1$$
$3$ $$T^{2}$$
$5$ $$T^{2} - 4T + 5$$
$7$ $$T^{2} + 4$$
$11$ $$T^{2}$$
$13$ $$T^{2} + 4$$
$17$ $$T^{2} + 36$$
$19$ $$(T - 6)^{2}$$
$23$ $$T^{2} + 16$$
$29$ $$T^{2}$$
$31$ $$(T + 4)^{2}$$
$37$ $$T^{2} + 1$$
$41$ $$(T - 10)^{2}$$
$43$ $$T^{2} + 16$$
$47$ $$T^{2} + 4$$
$53$ $$T^{2} + 4$$
$59$ $$(T + 6)^{2}$$
$61$ $$T^{2}$$
$67$ $$T^{2} + 64$$
$71$ $$T^{2}$$
$73$ $$T^{2} + 64$$
$79$ $$(T + 4)^{2}$$
$83$ $$T^{2} + 144$$
$89$ $$(T - 6)^{2}$$
$97$ $$T^{2} + 100$$