Properties

 Label 1368.2.a.d Level $1368$ Weight $2$ Character orbit 1368.a Self dual yes Analytic conductor $10.924$ Analytic rank $1$ 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] = [1368,2,Mod(1,1368)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1368, 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("1368.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1368 = 2^{3} \cdot 3^{2} \cdot 19$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1368.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: $$10.9235349965$$ Analytic rank: $$1$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 456) 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)

 $$f(q)$$ $$=$$ $$q - q^{5} - 3 q^{7}+O(q^{10})$$ q - q^5 - 3 * q^7 $$q - q^{5} - 3 q^{7} + 5 q^{11} - 2 q^{13} + q^{17} + q^{19} - 4 q^{23} - 4 q^{25} + 6 q^{29} - 10 q^{31} + 3 q^{35} - 11 q^{43} - 9 q^{47} + 2 q^{49} - 10 q^{53} - 5 q^{55} - 4 q^{59} - 5 q^{61} + 2 q^{65} - 4 q^{67} - 8 q^{71} + 13 q^{73} - 15 q^{77} + 4 q^{79} + 4 q^{83} - q^{85} + 6 q^{89} + 6 q^{91} - q^{95} + 2 q^{97}+O(q^{100})$$ q - q^5 - 3 * q^7 + 5 * q^11 - 2 * q^13 + q^17 + q^19 - 4 * q^23 - 4 * q^25 + 6 * q^29 - 10 * q^31 + 3 * q^35 - 11 * q^43 - 9 * q^47 + 2 * q^49 - 10 * q^53 - 5 * q^55 - 4 * q^59 - 5 * q^61 + 2 * q^65 - 4 * q^67 - 8 * q^71 + 13 * q^73 - 15 * q^77 + 4 * q^79 + 4 * q^83 - q^85 + 6 * q^89 + 6 * q^91 - 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
 0
0 0 0 −1.00000 0 −3.00000 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 1368.2.a.d 1
3.b odd 2 1 456.2.a.a 1
4.b odd 2 1 2736.2.a.i 1
12.b even 2 1 912.2.a.i 1
24.f even 2 1 3648.2.a.g 1
24.h odd 2 1 3648.2.a.z 1
57.d even 2 1 8664.2.a.l 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
456.2.a.a 1 3.b odd 2 1
912.2.a.i 1 12.b even 2 1
1368.2.a.d 1 1.a even 1 1 trivial
2736.2.a.i 1 4.b odd 2 1
3648.2.a.g 1 24.f even 2 1
3648.2.a.z 1 24.h odd 2 1
8664.2.a.l 1 57.d even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(1368))$$:

 $$T_{5} + 1$$ T5 + 1 $$T_{7} + 3$$ T7 + 3 $$T_{11} - 5$$ T11 - 5

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T$$
$5$ $$T + 1$$
$7$ $$T + 3$$
$11$ $$T - 5$$
$13$ $$T + 2$$
$17$ $$T - 1$$
$19$ $$T - 1$$
$23$ $$T + 4$$
$29$ $$T - 6$$
$31$ $$T + 10$$
$37$ $$T$$
$41$ $$T$$
$43$ $$T + 11$$
$47$ $$T + 9$$
$53$ $$T + 10$$
$59$ $$T + 4$$
$61$ $$T + 5$$
$67$ $$T + 4$$
$71$ $$T + 8$$
$73$ $$T - 13$$
$79$ $$T - 4$$
$83$ $$T - 4$$
$89$ $$T - 6$$
$97$ $$T - 2$$