# Properties

 Label 1936.2.a.l Level $1936$ Weight $2$ Character orbit 1936.a Self dual yes Analytic conductor $15.459$ 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] = [1936,2,Mod(1,1936)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1936, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([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("1936.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1936 = 2^{4} \cdot 11^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1936.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: $$15.4590378313$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 88) 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)

 $$f(q)$$ $$=$$ $$q + 3 q^{3} - 3 q^{5} - 2 q^{7} + 6 q^{9}+O(q^{10})$$ q + 3 * q^3 - 3 * q^5 - 2 * q^7 + 6 * q^9 $$q + 3 q^{3} - 3 q^{5} - 2 q^{7} + 6 q^{9} - 9 q^{15} + 6 q^{17} + 4 q^{19} - 6 q^{21} - q^{23} + 4 q^{25} + 9 q^{27} + 8 q^{29} + 7 q^{31} + 6 q^{35} - q^{37} - 4 q^{41} + 6 q^{43} - 18 q^{45} + 8 q^{47} - 3 q^{49} + 18 q^{51} + 2 q^{53} + 12 q^{57} + q^{59} - 4 q^{61} - 12 q^{63} + 5 q^{67} - 3 q^{69} - 3 q^{71} - 16 q^{73} + 12 q^{75} + 2 q^{79} + 9 q^{81} - 2 q^{83} - 18 q^{85} + 24 q^{87} + 15 q^{89} + 21 q^{93} - 12 q^{95} - 7 q^{97}+O(q^{100})$$ q + 3 * q^3 - 3 * q^5 - 2 * q^7 + 6 * q^9 - 9 * q^15 + 6 * q^17 + 4 * q^19 - 6 * q^21 - q^23 + 4 * q^25 + 9 * q^27 + 8 * q^29 + 7 * q^31 + 6 * q^35 - q^37 - 4 * q^41 + 6 * q^43 - 18 * q^45 + 8 * q^47 - 3 * q^49 + 18 * q^51 + 2 * q^53 + 12 * q^57 + q^59 - 4 * q^61 - 12 * q^63 + 5 * q^67 - 3 * q^69 - 3 * q^71 - 16 * q^73 + 12 * q^75 + 2 * q^79 + 9 * q^81 - 2 * q^83 - 18 * q^85 + 24 * q^87 + 15 * q^89 + 21 * q^93 - 12 * q^95 - 7 * 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 3.00000 0 −3.00000 0 −2.00000 0 6.00000 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
$$2$$ $$+1$$
$$11$$ $$-1$$

## 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 1936.2.a.l 1
4.b odd 2 1 968.2.a.a 1
8.b even 2 1 7744.2.a.b 1
8.d odd 2 1 7744.2.a.bk 1
11.b odd 2 1 176.2.a.c 1
12.b even 2 1 8712.2.a.x 1
33.d even 2 1 1584.2.a.q 1
44.c even 2 1 88.2.a.a 1
44.g even 10 4 968.2.i.j 4
44.h odd 10 4 968.2.i.i 4
55.d odd 2 1 4400.2.a.a 1
55.e even 4 2 4400.2.b.b 2
77.b even 2 1 8624.2.a.c 1
88.b odd 2 1 704.2.a.b 1
88.g even 2 1 704.2.a.l 1
132.d odd 2 1 792.2.a.g 1
176.i even 4 2 2816.2.c.i 2
176.l odd 4 2 2816.2.c.d 2
220.g even 2 1 2200.2.a.k 1
220.i odd 4 2 2200.2.b.a 2
264.m even 2 1 6336.2.a.k 1
264.p odd 2 1 6336.2.a.h 1
308.g odd 2 1 4312.2.a.l 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
88.2.a.a 1 44.c even 2 1
176.2.a.c 1 11.b odd 2 1
704.2.a.b 1 88.b odd 2 1
704.2.a.l 1 88.g even 2 1
792.2.a.g 1 132.d odd 2 1
968.2.a.a 1 4.b odd 2 1
968.2.i.i 4 44.h odd 10 4
968.2.i.j 4 44.g even 10 4
1584.2.a.q 1 33.d even 2 1
1936.2.a.l 1 1.a even 1 1 trivial
2200.2.a.k 1 220.g even 2 1
2200.2.b.a 2 220.i odd 4 2
2816.2.c.d 2 176.l odd 4 2
2816.2.c.i 2 176.i even 4 2
4312.2.a.l 1 308.g odd 2 1
4400.2.a.a 1 55.d odd 2 1
4400.2.b.b 2 55.e even 4 2
6336.2.a.h 1 264.p odd 2 1
6336.2.a.k 1 264.m even 2 1
7744.2.a.b 1 8.b even 2 1
7744.2.a.bk 1 8.d odd 2 1
8624.2.a.c 1 77.b even 2 1
8712.2.a.x 1 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 $$S_{2}^{\mathrm{new}}(\Gamma_0(1936))$$:

 $$T_{3} - 3$$ T3 - 3 $$T_{5} + 3$$ T5 + 3 $$T_{7} + 2$$ T7 + 2

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T - 3$$
$5$ $$T + 3$$
$7$ $$T + 2$$
$11$ $$T$$
$13$ $$T$$
$17$ $$T - 6$$
$19$ $$T - 4$$
$23$ $$T + 1$$
$29$ $$T - 8$$
$31$ $$T - 7$$
$37$ $$T + 1$$
$41$ $$T + 4$$
$43$ $$T - 6$$
$47$ $$T - 8$$
$53$ $$T - 2$$
$59$ $$T - 1$$
$61$ $$T + 4$$
$67$ $$T - 5$$
$71$ $$T + 3$$
$73$ $$T + 16$$
$79$ $$T - 2$$
$83$ $$T + 2$$
$89$ $$T - 15$$
$97$ $$T + 7$$