# Properties

 Label 2736.2.a.s Level $2736$ Weight $2$ Character orbit 2736.a Self dual yes Analytic conductor $21.847$ 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] = [2736,2,Mod(1,2736)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(2736, 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("2736.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$2736 = 2^{4} \cdot 3^{2} \cdot 19$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 2736.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: $$21.8470699930$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 57) 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)

 $$f(q)$$ $$=$$ $$q + 2 q^{5}+O(q^{10})$$ q + 2 * q^5 $$q + 2 q^{5} + 6 q^{13} + 6 q^{17} + q^{19} + 4 q^{23} - q^{25} - 2 q^{29} - 8 q^{31} - 10 q^{37} + 2 q^{41} + 4 q^{43} + 12 q^{47} - 7 q^{49} + 6 q^{53} - 12 q^{59} - 2 q^{61} + 12 q^{65} + 4 q^{67} + 10 q^{73} + 16 q^{83} + 12 q^{85} + 2 q^{89} + 2 q^{95} + 10 q^{97}+O(q^{100})$$ q + 2 * q^5 + 6 * q^13 + 6 * q^17 + q^19 + 4 * q^23 - q^25 - 2 * q^29 - 8 * q^31 - 10 * q^37 + 2 * q^41 + 4 * q^43 + 12 * q^47 - 7 * q^49 + 6 * q^53 - 12 * q^59 - 2 * q^61 + 12 * q^65 + 4 * q^67 + 10 * q^73 + 16 * q^83 + 12 * q^85 + 2 * q^89 + 2 * q^95 + 10 * 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
 0
0 0 0 2.00000 0 0 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
$$2$$ $$-1$$
$$3$$ $$-1$$
$$19$$ $$-1$$

## 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 2736.2.a.s 1
3.b odd 2 1 912.2.a.b 1
4.b odd 2 1 171.2.a.a 1
12.b even 2 1 57.2.a.c 1
20.d odd 2 1 4275.2.a.m 1
24.f even 2 1 3648.2.a.o 1
24.h odd 2 1 3648.2.a.bf 1
28.d even 2 1 8379.2.a.e 1
60.h even 2 1 1425.2.a.a 1
60.l odd 4 2 1425.2.c.g 2
76.d even 2 1 3249.2.a.g 1
84.h odd 2 1 2793.2.a.i 1
132.d odd 2 1 6897.2.a.a 1
156.h even 2 1 9633.2.a.h 1
228.b odd 2 1 1083.2.a.a 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
57.2.a.c 1 12.b even 2 1
171.2.a.a 1 4.b odd 2 1
912.2.a.b 1 3.b odd 2 1
1083.2.a.a 1 228.b odd 2 1
1425.2.a.a 1 60.h even 2 1
1425.2.c.g 2 60.l odd 4 2
2736.2.a.s 1 1.a even 1 1 trivial
2793.2.a.i 1 84.h odd 2 1
3249.2.a.g 1 76.d even 2 1
3648.2.a.o 1 24.f even 2 1
3648.2.a.bf 1 24.h odd 2 1
4275.2.a.m 1 20.d odd 2 1
6897.2.a.a 1 132.d odd 2 1
8379.2.a.e 1 28.d even 2 1
9633.2.a.h 1 156.h even 2 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(2736))$$:

 $$T_{5} - 2$$ T5 - 2 $$T_{7}$$ T7 $$T_{11}$$ T11 $$T_{13} - 6$$ T13 - 6

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T$$
$5$ $$T - 2$$
$7$ $$T$$
$11$ $$T$$
$13$ $$T - 6$$
$17$ $$T - 6$$
$19$ $$T - 1$$
$23$ $$T - 4$$
$29$ $$T + 2$$
$31$ $$T + 8$$
$37$ $$T + 10$$
$41$ $$T - 2$$
$43$ $$T - 4$$
$47$ $$T - 12$$
$53$ $$T - 6$$
$59$ $$T + 12$$
$61$ $$T + 2$$
$67$ $$T - 4$$
$71$ $$T$$
$73$ $$T - 10$$
$79$ $$T$$
$83$ $$T - 16$$
$89$ $$T - 2$$
$97$ $$T - 10$$