# Properties

 Label 1904.2.a.n Level $1904$ Weight $2$ Character orbit 1904.a Self dual yes Analytic conductor $15.204$ Analytic rank $0$ Dimension $3$ CM no Inner twists $1$

# Related objects

Show commands: Magma / PariGP / SageMath

## Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [1904,2,Mod(1,1904)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1904, 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("1904.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1904 = 2^{4} \cdot 7 \cdot 17$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1904.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: $$15.2035165449$$ Analytic rank: $$0$$ Dimension: $$3$$ Coefficient field: 3.3.1229.1 comment: defining polynomial  gp: f.mod \\ as an extension of the character field Defining polynomial: $$x^{3} - x^{2} - 7x + 6$$ x^3 - x^2 - 7*x + 6 Coefficient ring: $$\Z[a_1, a_2, a_3]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 952) 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)

Coefficients of the $$q$$-expansion are expressed in terms of a basis $$1,\beta_1,\beta_2$$ for the coefficient ring described below. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + \beta_1 q^{3} + (\beta_{2} + 1) q^{5} + q^{7} + (\beta_{2} + 2) q^{9}+O(q^{10})$$ q + b1 * q^3 + (b2 + 1) * q^5 + q^7 + (b2 + 2) * q^9 $$q + \beta_1 q^{3} + (\beta_{2} + 1) q^{5} + q^{7} + (\beta_{2} + 2) q^{9} - 2 q^{11} + 2 q^{13} + (\beta_{2} + 3 \beta_1 - 1) q^{15} - q^{17} + 4 q^{19} + \beta_1 q^{21} - 2 \beta_1 q^{23} + (\beta_1 + 5) q^{25} + (\beta_{2} + \beta_1 - 1) q^{27} + ( - 2 \beta_{2} - 2 \beta_1 + 2) q^{29} + ( - \beta_{2} - 1) q^{31} - 2 \beta_1 q^{33} + (\beta_{2} + 1) q^{35} + 4 q^{37} + 2 \beta_1 q^{39} + ( - 2 \beta_{2} + \beta_1 - 2) q^{41} + ( - \beta_1 - 2) q^{43} + (\beta_{2} + \beta_1 + 11) q^{45} + (2 \beta_1 - 4) q^{47} + q^{49} - \beta_1 q^{51} + ( - \beta_{2} + 4 \beta_1 + 1) q^{53} + ( - 2 \beta_{2} - 2) q^{55} + 4 \beta_1 q^{57} - 4 \beta_1 q^{59} + (\beta_1 + 6) q^{61} + (\beta_{2} + 2) q^{63} + (2 \beta_{2} + 2) q^{65} + ( - 3 \beta_{2} - 2 \beta_1 + 1) q^{67} + ( - 2 \beta_{2} - 10) q^{69} - 4 q^{71} + (2 \beta_{2} + 3 \beta_1 + 2) q^{73} + (\beta_{2} + 5 \beta_1 + 5) q^{75} - 2 q^{77} + ( - 2 \beta_1 + 8) q^{79} + ( - \beta_{2} + \beta_1 - 2) q^{81} + ( - 2 \beta_1 + 4) q^{83} + ( - \beta_{2} - 1) q^{85} + ( - 4 \beta_{2} - 2 \beta_1 - 8) q^{87} + (2 \beta_{2} - 4 \beta_1 + 4) q^{89} + 2 q^{91} + ( - \beta_{2} - 3 \beta_1 + 1) q^{93} + (4 \beta_{2} + 4) q^{95} + ( - \beta_{2} - 6 \beta_1 + 1) q^{97} + ( - 2 \beta_{2} - 4) q^{99}+O(q^{100})$$ q + b1 * q^3 + (b2 + 1) * q^5 + q^7 + (b2 + 2) * q^9 - 2 * q^11 + 2 * q^13 + (b2 + 3*b1 - 1) * q^15 - q^17 + 4 * q^19 + b1 * q^21 - 2*b1 * q^23 + (b1 + 5) * q^25 + (b2 + b1 - 1) * q^27 + (-2*b2 - 2*b1 + 2) * q^29 + (-b2 - 1) * q^31 - 2*b1 * q^33 + (b2 + 1) * q^35 + 4 * q^37 + 2*b1 * q^39 + (-2*b2 + b1 - 2) * q^41 + (-b1 - 2) * q^43 + (b2 + b1 + 11) * q^45 + (2*b1 - 4) * q^47 + q^49 - b1 * q^51 + (-b2 + 4*b1 + 1) * q^53 + (-2*b2 - 2) * q^55 + 4*b1 * q^57 - 4*b1 * q^59 + (b1 + 6) * q^61 + (b2 + 2) * q^63 + (2*b2 + 2) * q^65 + (-3*b2 - 2*b1 + 1) * q^67 + (-2*b2 - 10) * q^69 - 4 * q^71 + (2*b2 + 3*b1 + 2) * q^73 + (b2 + 5*b1 + 5) * q^75 - 2 * q^77 + (-2*b1 + 8) * q^79 + (-b2 + b1 - 2) * q^81 + (-2*b1 + 4) * q^83 + (-b2 - 1) * q^85 + (-4*b2 - 2*b1 - 8) * q^87 + (2*b2 - 4*b1 + 4) * q^89 + 2 * q^91 + (-b2 - 3*b1 + 1) * q^93 + (4*b2 + 4) * q^95 + (-b2 - 6*b1 + 1) * q^97 + (-2*b2 - 4) * q^99 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$3 q + q^{3} + 3 q^{5} + 3 q^{7} + 6 q^{9}+O(q^{10})$$ 3 * q + q^3 + 3 * q^5 + 3 * q^7 + 6 * q^9 $$3 q + q^{3} + 3 q^{5} + 3 q^{7} + 6 q^{9} - 6 q^{11} + 6 q^{13} - 3 q^{17} + 12 q^{19} + q^{21} - 2 q^{23} + 16 q^{25} - 2 q^{27} + 4 q^{29} - 3 q^{31} - 2 q^{33} + 3 q^{35} + 12 q^{37} + 2 q^{39} - 5 q^{41} - 7 q^{43} + 34 q^{45} - 10 q^{47} + 3 q^{49} - q^{51} + 7 q^{53} - 6 q^{55} + 4 q^{57} - 4 q^{59} + 19 q^{61} + 6 q^{63} + 6 q^{65} + q^{67} - 30 q^{69} - 12 q^{71} + 9 q^{73} + 20 q^{75} - 6 q^{77} + 22 q^{79} - 5 q^{81} + 10 q^{83} - 3 q^{85} - 26 q^{87} + 8 q^{89} + 6 q^{91} + 12 q^{95} - 3 q^{97} - 12 q^{99}+O(q^{100})$$ 3 * q + q^3 + 3 * q^5 + 3 * q^7 + 6 * q^9 - 6 * q^11 + 6 * q^13 - 3 * q^17 + 12 * q^19 + q^21 - 2 * q^23 + 16 * q^25 - 2 * q^27 + 4 * q^29 - 3 * q^31 - 2 * q^33 + 3 * q^35 + 12 * q^37 + 2 * q^39 - 5 * q^41 - 7 * q^43 + 34 * q^45 - 10 * q^47 + 3 * q^49 - q^51 + 7 * q^53 - 6 * q^55 + 4 * q^57 - 4 * q^59 + 19 * q^61 + 6 * q^63 + 6 * q^65 + q^67 - 30 * q^69 - 12 * q^71 + 9 * q^73 + 20 * q^75 - 6 * q^77 + 22 * q^79 - 5 * q^81 + 10 * q^83 - 3 * q^85 - 26 * q^87 + 8 * q^89 + 6 * q^91 + 12 * q^95 - 3 * q^97 - 12 * q^99

Basis of coefficient ring in terms of a root $$\nu$$ of $$x^{3} - x^{2} - 7x + 6$$ :

 $$\beta_{1}$$ $$=$$ $$\nu$$ v $$\beta_{2}$$ $$=$$ $$\nu^{2} - 5$$ v^2 - 5
 $$\nu$$ $$=$$ $$\beta_1$$ b1 $$\nu^{2}$$ $$=$$ $$\beta_{2} + 5$$ b2 + 5

## 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
 −2.59261 0.841083 2.75153
0 −2.59261 0 2.72165 0 1.00000 0 3.72165 0
1.2 0 0.841083 0 −3.29258 0 1.00000 0 −2.29258 0
1.3 0 2.75153 0 3.57093 0 1.00000 0 4.57093 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
$$2$$ $$1$$
$$7$$ $$-1$$
$$17$$ $$1$$

## 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 1904.2.a.n 3
4.b odd 2 1 952.2.a.e 3
8.b even 2 1 7616.2.a.bd 3
8.d odd 2 1 7616.2.a.bf 3
12.b even 2 1 8568.2.a.w 3
28.d even 2 1 6664.2.a.k 3

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
952.2.a.e 3 4.b odd 2 1
1904.2.a.n 3 1.a even 1 1 trivial
6664.2.a.k 3 28.d even 2 1
7616.2.a.bd 3 8.b even 2 1
7616.2.a.bf 3 8.d odd 2 1
8568.2.a.w 3 12.b even 2 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(1904))$$:

 $$T_{3}^{3} - T_{3}^{2} - 7T_{3} + 6$$ T3^3 - T3^2 - 7*T3 + 6 $$T_{5}^{3} - 3T_{5}^{2} - 11T_{5} + 32$$ T5^3 - 3*T5^2 - 11*T5 + 32

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{3}$$
$3$ $$T^{3} - T^{2} - 7T + 6$$
$5$ $$T^{3} - 3 T^{2} + \cdots + 32$$
$7$ $$(T - 1)^{3}$$
$11$ $$(T + 2)^{3}$$
$13$ $$(T - 2)^{3}$$
$17$ $$(T + 1)^{3}$$
$19$ $$(T - 4)^{3}$$
$23$ $$T^{3} + 2 T^{2} + \cdots - 48$$
$29$ $$T^{3} - 4 T^{2} + \cdots + 288$$
$31$ $$T^{3} + 3 T^{2} + \cdots - 32$$
$37$ $$(T - 4)^{3}$$
$41$ $$T^{3} + 5 T^{2} + \cdots - 262$$
$43$ $$T^{3} + 7 T^{2} + \cdots - 8$$
$47$ $$T^{3} + 10 T^{2} + \cdots - 32$$
$53$ $$T^{3} - 7 T^{2} + \cdots + 906$$
$59$ $$T^{3} + 4 T^{2} + \cdots - 384$$
$61$ $$T^{3} - 19 T^{2} + \cdots - 204$$
$67$ $$T^{3} - T^{2} + \cdots + 152$$
$71$ $$(T + 4)^{3}$$
$73$ $$T^{3} - 9 T^{2} + \cdots - 146$$
$79$ $$T^{3} - 22 T^{2} + \cdots - 208$$
$83$ $$T^{3} - 10 T^{2} + \cdots + 32$$
$89$ $$T^{3} - 8 T^{2} + \cdots - 264$$
$97$ $$T^{3} + 3 T^{2} + \cdots + 66$$