# Properties

 Label 176.2.a.b Level $176$ Weight $2$ Character orbit 176.a Self dual yes Analytic conductor $1.405$ 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] = [176,2,Mod(1,176)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(176, 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("176.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$176 = 2^{4} \cdot 11$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 176.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: $$1.40536707557$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 11) 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)

 $$f(q)$$ $$=$$ $$q + q^{3} + q^{5} + 2 q^{7} - 2 q^{9}+O(q^{10})$$ q + q^3 + q^5 + 2 * q^7 - 2 * q^9 $$q + q^{3} + q^{5} + 2 q^{7} - 2 q^{9} - q^{11} + 4 q^{13} + q^{15} - 2 q^{17} + 2 q^{21} + q^{23} - 4 q^{25} - 5 q^{27} - 7 q^{31} - q^{33} + 2 q^{35} + 3 q^{37} + 4 q^{39} - 8 q^{41} + 6 q^{43} - 2 q^{45} - 8 q^{47} - 3 q^{49} - 2 q^{51} - 6 q^{53} - q^{55} - 5 q^{59} + 12 q^{61} - 4 q^{63} + 4 q^{65} + 7 q^{67} + q^{69} + 3 q^{71} + 4 q^{73} - 4 q^{75} - 2 q^{77} + 10 q^{79} + q^{81} + 6 q^{83} - 2 q^{85} + 15 q^{89} + 8 q^{91} - 7 q^{93} - 7 q^{97} + 2 q^{99}+O(q^{100})$$ q + q^3 + q^5 + 2 * q^7 - 2 * q^9 - q^11 + 4 * q^13 + q^15 - 2 * q^17 + 2 * q^21 + q^23 - 4 * q^25 - 5 * q^27 - 7 * q^31 - q^33 + 2 * q^35 + 3 * q^37 + 4 * q^39 - 8 * q^41 + 6 * q^43 - 2 * q^45 - 8 * q^47 - 3 * q^49 - 2 * q^51 - 6 * q^53 - q^55 - 5 * q^59 + 12 * q^61 - 4 * q^63 + 4 * q^65 + 7 * q^67 + q^69 + 3 * q^71 + 4 * q^73 - 4 * q^75 - 2 * q^77 + 10 * q^79 + q^81 + 6 * q^83 - 2 * q^85 + 15 * q^89 + 8 * q^91 - 7 * q^93 - 7 * q^97 + 2 * q^99

## 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 1.00000 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
$$2$$ $$-1$$
$$11$$ $$1$$

## 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 176.2.a.b 1
3.b odd 2 1 1584.2.a.g 1
4.b odd 2 1 11.2.a.a 1
5.b even 2 1 4400.2.a.i 1
5.c odd 4 2 4400.2.b.h 2
7.b odd 2 1 8624.2.a.j 1
8.b even 2 1 704.2.a.c 1
8.d odd 2 1 704.2.a.h 1
11.b odd 2 1 1936.2.a.i 1
12.b even 2 1 99.2.a.d 1
16.e even 4 2 2816.2.c.f 2
16.f odd 4 2 2816.2.c.j 2
20.d odd 2 1 275.2.a.b 1
20.e even 4 2 275.2.b.a 2
24.f even 2 1 6336.2.a.br 1
24.h odd 2 1 6336.2.a.bu 1
28.d even 2 1 539.2.a.a 1
28.f even 6 2 539.2.e.g 2
28.g odd 6 2 539.2.e.h 2
36.f odd 6 2 891.2.e.k 2
36.h even 6 2 891.2.e.b 2
44.c even 2 1 121.2.a.d 1
44.g even 10 4 121.2.c.a 4
44.h odd 10 4 121.2.c.e 4
52.b odd 2 1 1859.2.a.b 1
60.h even 2 1 2475.2.a.a 1
60.l odd 4 2 2475.2.c.a 2
68.d odd 2 1 3179.2.a.a 1
76.d even 2 1 3971.2.a.b 1
84.h odd 2 1 4851.2.a.t 1
88.b odd 2 1 7744.2.a.k 1
88.g even 2 1 7744.2.a.x 1
92.b even 2 1 5819.2.a.a 1
116.d odd 2 1 9251.2.a.d 1
132.d odd 2 1 1089.2.a.b 1
220.g even 2 1 3025.2.a.a 1
308.g odd 2 1 5929.2.a.h 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
11.2.a.a 1 4.b odd 2 1
99.2.a.d 1 12.b even 2 1
121.2.a.d 1 44.c even 2 1
121.2.c.a 4 44.g even 10 4
121.2.c.e 4 44.h odd 10 4
176.2.a.b 1 1.a even 1 1 trivial
275.2.a.b 1 20.d odd 2 1
275.2.b.a 2 20.e even 4 2
539.2.a.a 1 28.d even 2 1
539.2.e.g 2 28.f even 6 2
539.2.e.h 2 28.g odd 6 2
704.2.a.c 1 8.b even 2 1
704.2.a.h 1 8.d odd 2 1
891.2.e.b 2 36.h even 6 2
891.2.e.k 2 36.f odd 6 2
1089.2.a.b 1 132.d odd 2 1
1584.2.a.g 1 3.b odd 2 1
1859.2.a.b 1 52.b odd 2 1
1936.2.a.i 1 11.b odd 2 1
2475.2.a.a 1 60.h even 2 1
2475.2.c.a 2 60.l odd 4 2
2816.2.c.f 2 16.e even 4 2
2816.2.c.j 2 16.f odd 4 2
3025.2.a.a 1 220.g even 2 1
3179.2.a.a 1 68.d odd 2 1
3971.2.a.b 1 76.d even 2 1
4400.2.a.i 1 5.b even 2 1
4400.2.b.h 2 5.c odd 4 2
4851.2.a.t 1 84.h odd 2 1
5819.2.a.a 1 92.b even 2 1
5929.2.a.h 1 308.g odd 2 1
6336.2.a.br 1 24.f even 2 1
6336.2.a.bu 1 24.h odd 2 1
7744.2.a.k 1 88.b odd 2 1
7744.2.a.x 1 88.g even 2 1
8624.2.a.j 1 7.b odd 2 1
9251.2.a.d 1 116.d odd 2 1

## Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $$T_{3} - 1$$ acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(176))$$.

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T - 1$$
$5$ $$T - 1$$
$7$ $$T - 2$$
$11$ $$T + 1$$
$13$ $$T - 4$$
$17$ $$T + 2$$
$19$ $$T$$
$23$ $$T - 1$$
$29$ $$T$$
$31$ $$T + 7$$
$37$ $$T - 3$$
$41$ $$T + 8$$
$43$ $$T - 6$$
$47$ $$T + 8$$
$53$ $$T + 6$$
$59$ $$T + 5$$
$61$ $$T - 12$$
$67$ $$T - 7$$
$71$ $$T - 3$$
$73$ $$T - 4$$
$79$ $$T - 10$$
$83$ $$T - 6$$
$89$ $$T - 15$$
$97$ $$T + 7$$