# Properties

 Label 7650.2.a.d Level $7650$ Weight $2$ Character orbit 7650.a Self dual yes Analytic conductor $61.086$ 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] = [7650,2,Mod(1,7650)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(7650, 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("7650.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$7650 = 2 \cdot 3^{2} \cdot 5^{2} \cdot 17$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 7650.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: $$61.0855575463$$ Analytic rank: $$1$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 2550) 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)

 $$f(q)$$ $$=$$ $$q - q^{2} + q^{4} - 4 q^{7} - q^{8}+O(q^{10})$$ q - q^2 + q^4 - 4 * q^7 - q^8 $$q - q^{2} + q^{4} - 4 q^{7} - q^{8} + 2 q^{11} - 6 q^{13} + 4 q^{14} + q^{16} + q^{17} + 4 q^{19} - 2 q^{22} - 5 q^{23} + 6 q^{26} - 4 q^{28} + 10 q^{31} - q^{32} - q^{34} + 9 q^{37} - 4 q^{38} - 11 q^{41} + 10 q^{43} + 2 q^{44} + 5 q^{46} - 8 q^{47} + 9 q^{49} - 6 q^{52} + 11 q^{53} + 4 q^{56} + 15 q^{59} - q^{61} - 10 q^{62} + q^{64} - 14 q^{67} + q^{68} - 11 q^{71} + 8 q^{73} - 9 q^{74} + 4 q^{76} - 8 q^{77} - 8 q^{79} + 11 q^{82} + 5 q^{83} - 10 q^{86} - 2 q^{88} + 6 q^{89} + 24 q^{91} - 5 q^{92} + 8 q^{94} + 8 q^{97} - 9 q^{98}+O(q^{100})$$ q - q^2 + q^4 - 4 * q^7 - q^8 + 2 * q^11 - 6 * q^13 + 4 * q^14 + q^16 + q^17 + 4 * q^19 - 2 * q^22 - 5 * q^23 + 6 * q^26 - 4 * q^28 + 10 * q^31 - q^32 - q^34 + 9 * q^37 - 4 * q^38 - 11 * q^41 + 10 * q^43 + 2 * q^44 + 5 * q^46 - 8 * q^47 + 9 * q^49 - 6 * q^52 + 11 * q^53 + 4 * q^56 + 15 * q^59 - q^61 - 10 * q^62 + q^64 - 14 * q^67 + q^68 - 11 * q^71 + 8 * q^73 - 9 * q^74 + 4 * q^76 - 8 * q^77 - 8 * q^79 + 11 * q^82 + 5 * q^83 - 10 * q^86 - 2 * q^88 + 6 * q^89 + 24 * q^91 - 5 * q^92 + 8 * q^94 + 8 * q^97 - 9 * 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 0 0 −4.00000 −1.00000 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
$$2$$ $$1$$
$$3$$ $$-1$$
$$5$$ $$1$$
$$17$$ $$-1$$

## 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 7650.2.a.d 1
3.b odd 2 1 2550.2.a.r yes 1
5.b even 2 1 7650.2.a.cm 1
15.d odd 2 1 2550.2.a.p 1
15.e even 4 2 2550.2.d.e 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2550.2.a.p 1 15.d odd 2 1
2550.2.a.r yes 1 3.b odd 2 1
2550.2.d.e 2 15.e even 4 2
7650.2.a.d 1 1.a even 1 1 trivial
7650.2.a.cm 1 5.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 $$S_{2}^{\mathrm{new}}(\Gamma_0(7650))$$:

 $$T_{7} + 4$$ T7 + 4 $$T_{11} - 2$$ T11 - 2 $$T_{13} + 6$$ T13 + 6 $$T_{19} - 4$$ T19 - 4 $$T_{23} + 5$$ T23 + 5 $$T_{29}$$ T29

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T + 1$$
$3$ $$T$$
$5$ $$T$$
$7$ $$T + 4$$
$11$ $$T - 2$$
$13$ $$T + 6$$
$17$ $$T - 1$$
$19$ $$T - 4$$
$23$ $$T + 5$$
$29$ $$T$$
$31$ $$T - 10$$
$37$ $$T - 9$$
$41$ $$T + 11$$
$43$ $$T - 10$$
$47$ $$T + 8$$
$53$ $$T - 11$$
$59$ $$T - 15$$
$61$ $$T + 1$$
$67$ $$T + 14$$
$71$ $$T + 11$$
$73$ $$T - 8$$
$79$ $$T + 8$$
$83$ $$T - 5$$
$89$ $$T - 6$$
$97$ $$T - 8$$