# Properties

 Label 495.2.a.a Level $495$ Weight $2$ Character orbit 495.a Self dual yes Analytic conductor $3.953$ 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] = [495,2,Mod(1,495)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(495, 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("495.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$495 = 3^{2} \cdot 5 \cdot 11$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 495.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: $$3.95259490005$$ Analytic rank: $$1$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 55) 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)

 $$f(q)$$ $$=$$ $$q - q^{2} - q^{4} - q^{5} + 3 q^{8}+O(q^{10})$$ q - q^2 - q^4 - q^5 + 3 * q^8 $$q - q^{2} - q^{4} - q^{5} + 3 q^{8} + q^{10} + q^{11} + 2 q^{13} - q^{16} - 6 q^{17} - 4 q^{19} + q^{20} - q^{22} - 4 q^{23} + q^{25} - 2 q^{26} - 6 q^{29} - 8 q^{31} - 5 q^{32} + 6 q^{34} - 2 q^{37} + 4 q^{38} - 3 q^{40} - 2 q^{41} + 4 q^{43} - q^{44} + 4 q^{46} + 12 q^{47} - 7 q^{49} - q^{50} - 2 q^{52} + 2 q^{53} - q^{55} + 6 q^{58} - 4 q^{59} - 10 q^{61} + 8 q^{62} + 7 q^{64} - 2 q^{65} - 16 q^{67} + 6 q^{68} - 8 q^{71} + 14 q^{73} + 2 q^{74} + 4 q^{76} + 8 q^{79} + q^{80} + 2 q^{82} + 4 q^{83} + 6 q^{85} - 4 q^{86} + 3 q^{88} - 10 q^{89} + 4 q^{92} - 12 q^{94} + 4 q^{95} + 10 q^{97} + 7 q^{98}+O(q^{100})$$ q - q^2 - q^4 - q^5 + 3 * q^8 + q^10 + q^11 + 2 * q^13 - q^16 - 6 * q^17 - 4 * q^19 + q^20 - q^22 - 4 * q^23 + q^25 - 2 * q^26 - 6 * q^29 - 8 * q^31 - 5 * q^32 + 6 * q^34 - 2 * q^37 + 4 * q^38 - 3 * q^40 - 2 * q^41 + 4 * q^43 - q^44 + 4 * q^46 + 12 * q^47 - 7 * q^49 - q^50 - 2 * q^52 + 2 * q^53 - q^55 + 6 * q^58 - 4 * q^59 - 10 * q^61 + 8 * q^62 + 7 * q^64 - 2 * q^65 - 16 * q^67 + 6 * q^68 - 8 * q^71 + 14 * q^73 + 2 * q^74 + 4 * q^76 + 8 * q^79 + q^80 + 2 * q^82 + 4 * q^83 + 6 * q^85 - 4 * q^86 + 3 * q^88 - 10 * q^89 + 4 * q^92 - 12 * q^94 + 4 * q^95 + 10 * q^97 + 7 * q^98

## 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
−1.00000 0 −1.00000 −1.00000 0 0 3.00000 0 1.00000
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

## Atkin-Lehner signs

$$p$$ Sign
$$3$$ $$-1$$
$$5$$ $$+1$$
$$11$$ $$-1$$

## 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 495.2.a.a 1
3.b odd 2 1 55.2.a.a 1
4.b odd 2 1 7920.2.a.i 1
5.b even 2 1 2475.2.a.i 1
5.c odd 4 2 2475.2.c.f 2
11.b odd 2 1 5445.2.a.i 1
12.b even 2 1 880.2.a.h 1
15.d odd 2 1 275.2.a.a 1
15.e even 4 2 275.2.b.b 2
21.c even 2 1 2695.2.a.c 1
24.f even 2 1 3520.2.a.n 1
24.h odd 2 1 3520.2.a.p 1
33.d even 2 1 605.2.a.b 1
33.f even 10 4 605.2.g.c 4
33.h odd 10 4 605.2.g.a 4
39.d odd 2 1 9295.2.a.b 1
60.h even 2 1 4400.2.a.p 1
60.l odd 4 2 4400.2.b.n 2
132.d odd 2 1 9680.2.a.r 1
165.d even 2 1 3025.2.a.f 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
55.2.a.a 1 3.b odd 2 1
275.2.a.a 1 15.d odd 2 1
275.2.b.b 2 15.e even 4 2
495.2.a.a 1 1.a even 1 1 trivial
605.2.a.b 1 33.d even 2 1
605.2.g.a 4 33.h odd 10 4
605.2.g.c 4 33.f even 10 4
880.2.a.h 1 12.b even 2 1
2475.2.a.i 1 5.b even 2 1
2475.2.c.f 2 5.c odd 4 2
2695.2.a.c 1 21.c even 2 1
3025.2.a.f 1 165.d even 2 1
3520.2.a.n 1 24.f even 2 1
3520.2.a.p 1 24.h odd 2 1
4400.2.a.p 1 60.h even 2 1
4400.2.b.n 2 60.l odd 4 2
5445.2.a.i 1 11.b odd 2 1
7920.2.a.i 1 4.b odd 2 1
9295.2.a.b 1 39.d odd 2 1
9680.2.a.r 1 132.d odd 2 1

## Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $$T_{2} + 1$$ acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(495))$$.

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T + 1$$
$3$ $$T$$
$5$ $$T + 1$$
$7$ $$T$$
$11$ $$T - 1$$
$13$ $$T - 2$$
$17$ $$T + 6$$
$19$ $$T + 4$$
$23$ $$T + 4$$
$29$ $$T + 6$$
$31$ $$T + 8$$
$37$ $$T + 2$$
$41$ $$T + 2$$
$43$ $$T - 4$$
$47$ $$T - 12$$
$53$ $$T - 2$$
$59$ $$T + 4$$
$61$ $$T + 10$$
$67$ $$T + 16$$
$71$ $$T + 8$$
$73$ $$T - 14$$
$79$ $$T - 8$$
$83$ $$T - 4$$
$89$ $$T + 10$$
$97$ $$T - 10$$