# Properties

 Label 2450.2.a.l Level $2450$ Weight $2$ Character orbit 2450.a Self dual yes Analytic conductor $19.563$ 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] = [2450,2,Mod(1,2450)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(2450, 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("2450.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$2450 = 2 \cdot 5^{2} \cdot 7^{2}$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 2450.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: $$19.5633484952$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 70) 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)

 $$f(q)$$ $$=$$ $$q - q^{2} + q^{4} - q^{8} - 3 q^{9}+O(q^{10})$$ q - q^2 + q^4 - q^8 - 3 * q^9 $$q - q^{2} + q^{4} - q^{8} - 3 q^{9} + 4 q^{11} - 6 q^{13} + q^{16} + 2 q^{17} + 3 q^{18} - 4 q^{22} + 6 q^{26} + 6 q^{29} - 8 q^{31} - q^{32} - 2 q^{34} - 3 q^{36} + 10 q^{37} - 2 q^{41} - 4 q^{43} + 4 q^{44} + 8 q^{47} - 6 q^{52} + 2 q^{53} - 6 q^{58} + 8 q^{59} + 14 q^{61} + 8 q^{62} + q^{64} + 12 q^{67} + 2 q^{68} - 16 q^{71} + 3 q^{72} + 2 q^{73} - 10 q^{74} - 8 q^{79} + 9 q^{81} + 2 q^{82} + 8 q^{83} + 4 q^{86} - 4 q^{88} - 10 q^{89} - 8 q^{94} + 2 q^{97} - 12 q^{99}+O(q^{100})$$ q - q^2 + q^4 - q^8 - 3 * q^9 + 4 * q^11 - 6 * q^13 + q^16 + 2 * q^17 + 3 * q^18 - 4 * q^22 + 6 * q^26 + 6 * q^29 - 8 * q^31 - q^32 - 2 * q^34 - 3 * q^36 + 10 * q^37 - 2 * q^41 - 4 * q^43 + 4 * q^44 + 8 * q^47 - 6 * q^52 + 2 * q^53 - 6 * q^58 + 8 * q^59 + 14 * q^61 + 8 * q^62 + q^64 + 12 * q^67 + 2 * q^68 - 16 * q^71 + 3 * q^72 + 2 * q^73 - 10 * q^74 - 8 * q^79 + 9 * q^81 + 2 * q^82 + 8 * q^83 + 4 * q^86 - 4 * q^88 - 10 * q^89 - 8 * q^94 + 2 * q^97 - 12 * 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
−1.00000 0 1.00000 0 0 0 −1.00000 −3.00000 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
$$2$$ $$1$$
$$5$$ $$1$$
$$7$$ $$-1$$

## 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 2450.2.a.l 1
5.b even 2 1 490.2.a.h 1
5.c odd 4 2 2450.2.c.k 2
7.b odd 2 1 350.2.a.b 1
15.d odd 2 1 4410.2.a.b 1
20.d odd 2 1 3920.2.a.t 1
21.c even 2 1 3150.2.a.bj 1
28.d even 2 1 2800.2.a.m 1
35.c odd 2 1 70.2.a.a 1
35.f even 4 2 350.2.c.b 2
35.i odd 6 2 490.2.e.d 2
35.j even 6 2 490.2.e.c 2
105.g even 2 1 630.2.a.d 1
105.k odd 4 2 3150.2.g.c 2
140.c even 2 1 560.2.a.d 1
140.j odd 4 2 2800.2.g.n 2
280.c odd 2 1 2240.2.a.n 1
280.n even 2 1 2240.2.a.q 1
385.h even 2 1 8470.2.a.j 1
420.o odd 2 1 5040.2.a.bm 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.2.a.a 1 35.c odd 2 1
350.2.a.b 1 7.b odd 2 1
350.2.c.b 2 35.f even 4 2
490.2.a.h 1 5.b even 2 1
490.2.e.c 2 35.j even 6 2
490.2.e.d 2 35.i odd 6 2
560.2.a.d 1 140.c even 2 1
630.2.a.d 1 105.g even 2 1
2240.2.a.n 1 280.c odd 2 1
2240.2.a.q 1 280.n even 2 1
2450.2.a.l 1 1.a even 1 1 trivial
2450.2.c.k 2 5.c odd 4 2
2800.2.a.m 1 28.d even 2 1
2800.2.g.n 2 140.j odd 4 2
3150.2.a.bj 1 21.c even 2 1
3150.2.g.c 2 105.k odd 4 2
3920.2.a.t 1 20.d odd 2 1
4410.2.a.b 1 15.d odd 2 1
5040.2.a.bm 1 420.o odd 2 1
8470.2.a.j 1 385.h even 2 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(2450))$$:

 $$T_{3}$$ T3 $$T_{11} - 4$$ T11 - 4 $$T_{13} + 6$$ T13 + 6 $$T_{17} - 2$$ T17 - 2 $$T_{19}$$ T19 $$T_{23}$$ T23 $$T_{37} - 10$$ T37 - 10

## Hecke characteristic polynomials

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