# Properties

 Label 92.2.a.b Level $92$ Weight $2$ Character orbit 92.a Self dual yes Analytic conductor $0.735$ 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] = [92,2,Mod(1,92)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(92, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([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("92.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$92 = 2^{2} \cdot 23$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 92.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: $$0.734623698596$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ 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)

 $$f(q)$$ $$=$$ $$q + q^{3} + 2 q^{7} - 2 q^{9}+O(q^{10})$$ q + q^3 + 2 * q^7 - 2 * q^9 $$q + q^{3} + 2 q^{7} - 2 q^{9} - q^{13} - 6 q^{17} + 2 q^{19} + 2 q^{21} - q^{23} - 5 q^{25} - 5 q^{27} - 3 q^{29} + 5 q^{31} + 8 q^{37} - q^{39} + 3 q^{41} + 8 q^{43} + 9 q^{47} - 3 q^{49} - 6 q^{51} + 6 q^{53} + 2 q^{57} - 12 q^{59} + 14 q^{61} - 4 q^{63} + 8 q^{67} - q^{69} - 15 q^{71} - 7 q^{73} - 5 q^{75} - 10 q^{79} + q^{81} + 6 q^{83} - 3 q^{87} - 2 q^{91} + 5 q^{93} - 10 q^{97}+O(q^{100})$$ q + q^3 + 2 * q^7 - 2 * q^9 - q^13 - 6 * q^17 + 2 * q^19 + 2 * q^21 - q^23 - 5 * q^25 - 5 * q^27 - 3 * q^29 + 5 * q^31 + 8 * q^37 - q^39 + 3 * q^41 + 8 * q^43 + 9 * q^47 - 3 * q^49 - 6 * q^51 + 6 * q^53 + 2 * q^57 - 12 * q^59 + 14 * q^61 - 4 * q^63 + 8 * q^67 - q^69 - 15 * q^71 - 7 * q^73 - 5 * q^75 - 10 * q^79 + q^81 + 6 * q^83 - 3 * q^87 - 2 * q^91 + 5 * q^93 - 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 1.00000 0 0 0 2.00000 0 −2.00000 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
$$2$$ $$-1$$
$$23$$ $$1$$

## 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 92.2.a.b 1
3.b odd 2 1 828.2.a.b 1
4.b odd 2 1 368.2.a.b 1
5.b even 2 1 2300.2.a.c 1
5.c odd 4 2 2300.2.c.f 2
7.b odd 2 1 4508.2.a.a 1
8.b even 2 1 1472.2.a.c 1
8.d odd 2 1 1472.2.a.j 1
12.b even 2 1 3312.2.a.g 1
20.d odd 2 1 9200.2.a.ba 1
23.b odd 2 1 2116.2.a.d 1
92.b even 2 1 8464.2.a.f 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
92.2.a.b 1 1.a even 1 1 trivial
368.2.a.b 1 4.b odd 2 1
828.2.a.b 1 3.b odd 2 1
1472.2.a.c 1 8.b even 2 1
1472.2.a.j 1 8.d odd 2 1
2116.2.a.d 1 23.b odd 2 1
2300.2.a.c 1 5.b even 2 1
2300.2.c.f 2 5.c odd 4 2
3312.2.a.g 1 12.b even 2 1
4508.2.a.a 1 7.b odd 2 1
8464.2.a.f 1 92.b even 2 1
9200.2.a.ba 1 20.d odd 2 1

## Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $$T_{3} - 1$$ acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(92))$$.

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T - 1$$
$5$ $$T$$
$7$ $$T - 2$$
$11$ $$T$$
$13$ $$T + 1$$
$17$ $$T + 6$$
$19$ $$T - 2$$
$23$ $$T + 1$$
$29$ $$T + 3$$
$31$ $$T - 5$$
$37$ $$T - 8$$
$41$ $$T - 3$$
$43$ $$T - 8$$
$47$ $$T - 9$$
$53$ $$T - 6$$
$59$ $$T + 12$$
$61$ $$T - 14$$
$67$ $$T - 8$$
$71$ $$T + 15$$
$73$ $$T + 7$$
$79$ $$T + 10$$
$83$ $$T - 6$$
$89$ $$T$$
$97$ $$T + 10$$