# Properties

 Label 3240.2.a.m Level $3240$ Weight $2$ Character orbit 3240.a Self dual yes Analytic conductor $25.872$ Analytic rank $0$ Dimension $2$ CM no Inner twists $1$

# Related objects

Show commands: Magma / PariGP / SageMath

## Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [3240,2,Mod(1,3240)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(3240, 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("3240.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$3240 = 2^{3} \cdot 3^{4} \cdot 5$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 3240.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: $$25.8715302549$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{33})$$ comment: defining polynomial  gp: f.mod \\ as an extension of the character field Defining polynomial: $$x^{2} - x - 8$$ x^2 - x - 8 Coefficient ring: $$\Z[a_1, \ldots, a_{7}]$$ Coefficient ring index: $$1$$ Twist minimal: yes 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 $$\beta = \frac{1}{2}(1 + \sqrt{33})$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + q^{5} + \beta q^{7}+O(q^{10})$$ q + q^5 + b * q^7 $$q + q^{5} + \beta q^{7} + (\beta - 1) q^{11} - \beta q^{13} - 2 \beta q^{17} + q^{19} + (\beta + 2) q^{23} + q^{25} + (\beta - 1) q^{29} + (3 \beta + 1) q^{31} + \beta q^{35} + 6 q^{37} + ( - 2 \beta + 7) q^{41} + ( - 2 \beta + 2) q^{43} + ( - \beta - 6) q^{47} + (\beta + 1) q^{49} + 3 \beta q^{53} + (\beta - 1) q^{55} + 5 q^{59} + (2 \beta + 6) q^{61} - \beta q^{65} + ( - 2 \beta + 6) q^{67} + ( - \beta - 1) q^{71} + (2 \beta + 8) q^{73} + 8 q^{77} + ( - 2 \beta + 4) q^{79} - 10 q^{83} - 2 \beta q^{85} + ( - \beta - 1) q^{89} + ( - \beta - 8) q^{91} + q^{95} + ( - 2 \beta + 2) q^{97} +O(q^{100})$$ q + q^5 + b * q^7 + (b - 1) * q^11 - b * q^13 - 2*b * q^17 + q^19 + (b + 2) * q^23 + q^25 + (b - 1) * q^29 + (3*b + 1) * q^31 + b * q^35 + 6 * q^37 + (-2*b + 7) * q^41 + (-2*b + 2) * q^43 + (-b - 6) * q^47 + (b + 1) * q^49 + 3*b * q^53 + (b - 1) * q^55 + 5 * q^59 + (2*b + 6) * q^61 - b * q^65 + (-2*b + 6) * q^67 + (-b - 1) * q^71 + (2*b + 8) * q^73 + 8 * q^77 + (-2*b + 4) * q^79 - 10 * q^83 - 2*b * q^85 + (-b - 1) * q^89 + (-b - 8) * q^91 + q^95 + (-2*b + 2) * q^97 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q + 2 q^{5} + q^{7}+O(q^{10})$$ 2 * q + 2 * q^5 + q^7 $$2 q + 2 q^{5} + q^{7} - q^{11} - q^{13} - 2 q^{17} + 2 q^{19} + 5 q^{23} + 2 q^{25} - q^{29} + 5 q^{31} + q^{35} + 12 q^{37} + 12 q^{41} + 2 q^{43} - 13 q^{47} + 3 q^{49} + 3 q^{53} - q^{55} + 10 q^{59} + 14 q^{61} - q^{65} + 10 q^{67} - 3 q^{71} + 18 q^{73} + 16 q^{77} + 6 q^{79} - 20 q^{83} - 2 q^{85} - 3 q^{89} - 17 q^{91} + 2 q^{95} + 2 q^{97}+O(q^{100})$$ 2 * q + 2 * q^5 + q^7 - q^11 - q^13 - 2 * q^17 + 2 * q^19 + 5 * q^23 + 2 * q^25 - q^29 + 5 * q^31 + q^35 + 12 * q^37 + 12 * q^41 + 2 * q^43 - 13 * q^47 + 3 * q^49 + 3 * q^53 - q^55 + 10 * q^59 + 14 * q^61 - q^65 + 10 * q^67 - 3 * q^71 + 18 * q^73 + 16 * q^77 + 6 * q^79 - 20 * q^83 - 2 * q^85 - 3 * q^89 - 17 * q^91 + 2 * q^95 + 2 * q^97

## 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
 −2.37228 3.37228
0 0 0 1.00000 0 −2.37228 0 0 0
1.2 0 0 0 1.00000 0 3.37228 0 0 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 3240.2.a.m yes 2
3.b odd 2 1 3240.2.a.i 2
4.b odd 2 1 6480.2.a.bo 2
9.c even 3 2 3240.2.q.ba 4
9.d odd 6 2 3240.2.q.bd 4
12.b even 2 1 6480.2.a.bd 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3240.2.a.i 2 3.b odd 2 1
3240.2.a.m yes 2 1.a even 1 1 trivial
3240.2.q.ba 4 9.c even 3 2
3240.2.q.bd 4 9.d odd 6 2
6480.2.a.bd 2 12.b even 2 1
6480.2.a.bo 2 4.b odd 2 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(3240))$$:

 $$T_{7}^{2} - T_{7} - 8$$ T7^2 - T7 - 8 $$T_{11}^{2} + T_{11} - 8$$ T11^2 + T11 - 8 $$T_{17}^{2} + 2T_{17} - 32$$ T17^2 + 2*T17 - 32

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2}$$
$3$ $$T^{2}$$
$5$ $$(T - 1)^{2}$$
$7$ $$T^{2} - T - 8$$
$11$ $$T^{2} + T - 8$$
$13$ $$T^{2} + T - 8$$
$17$ $$T^{2} + 2T - 32$$
$19$ $$(T - 1)^{2}$$
$23$ $$T^{2} - 5T - 2$$
$29$ $$T^{2} + T - 8$$
$31$ $$T^{2} - 5T - 68$$
$37$ $$(T - 6)^{2}$$
$41$ $$T^{2} - 12T + 3$$
$43$ $$T^{2} - 2T - 32$$
$47$ $$T^{2} + 13T + 34$$
$53$ $$T^{2} - 3T - 72$$
$59$ $$(T - 5)^{2}$$
$61$ $$T^{2} - 14T + 16$$
$67$ $$T^{2} - 10T - 8$$
$71$ $$T^{2} + 3T - 6$$
$73$ $$T^{2} - 18T + 48$$
$79$ $$T^{2} - 6T - 24$$
$83$ $$(T + 10)^{2}$$
$89$ $$T^{2} + 3T - 6$$
$97$ $$T^{2} - 2T - 32$$