Properties

 Label 1520.2.a.j Level $1520$ Weight $2$ Character orbit 1520.a Self dual yes Analytic conductor $12.137$ 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] = [1520,2,Mod(1,1520)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1520, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([0, 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("1520.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1520 = 2^{4} \cdot 5 \cdot 19$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1520.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: $$12.1372611072$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 190) 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)

 $$f(q)$$ $$=$$ $$q + 3 q^{3} - q^{5} + 5 q^{7} + 6 q^{9}+O(q^{10})$$ q + 3 * q^3 - q^5 + 5 * q^7 + 6 * q^9 $$q + 3 q^{3} - q^{5} + 5 q^{7} + 6 q^{9} + 4 q^{11} - q^{13} - 3 q^{15} - 3 q^{17} - q^{19} + 15 q^{21} - 7 q^{23} + q^{25} + 9 q^{27} - 3 q^{29} + 2 q^{31} + 12 q^{33} - 5 q^{35} - 2 q^{37} - 3 q^{39} - 6 q^{41} - 6 q^{43} - 6 q^{45} + 18 q^{49} - 9 q^{51} - 13 q^{53} - 4 q^{55} - 3 q^{57} + 9 q^{59} - 12 q^{61} + 30 q^{63} + q^{65} + 3 q^{67} - 21 q^{69} + 11 q^{73} + 3 q^{75} + 20 q^{77} + 2 q^{79} + 9 q^{81} + 10 q^{83} + 3 q^{85} - 9 q^{87} + 2 q^{89} - 5 q^{91} + 6 q^{93} + q^{95} - 2 q^{97} + 24 q^{99}+O(q^{100})$$ q + 3 * q^3 - q^5 + 5 * q^7 + 6 * q^9 + 4 * q^11 - q^13 - 3 * q^15 - 3 * q^17 - q^19 + 15 * q^21 - 7 * q^23 + q^25 + 9 * q^27 - 3 * q^29 + 2 * q^31 + 12 * q^33 - 5 * q^35 - 2 * q^37 - 3 * q^39 - 6 * q^41 - 6 * q^43 - 6 * q^45 + 18 * q^49 - 9 * q^51 - 13 * q^53 - 4 * q^55 - 3 * q^57 + 9 * q^59 - 12 * q^61 + 30 * q^63 + q^65 + 3 * q^67 - 21 * q^69 + 11 * q^73 + 3 * q^75 + 20 * q^77 + 2 * q^79 + 9 * q^81 + 10 * q^83 + 3 * q^85 - 9 * q^87 + 2 * q^89 - 5 * q^91 + 6 * q^93 + q^95 - 2 * q^97 + 24 * 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 3.00000 0 −1.00000 0 5.00000 0 6.00000 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
$$2$$ $$-1$$
$$5$$ $$1$$
$$19$$ $$1$$

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 1520.2.a.j 1
4.b odd 2 1 190.2.a.b 1
5.b even 2 1 7600.2.a.a 1
8.b even 2 1 6080.2.a.b 1
8.d odd 2 1 6080.2.a.x 1
12.b even 2 1 1710.2.a.g 1
20.d odd 2 1 950.2.a.c 1
20.e even 4 2 950.2.b.a 2
28.d even 2 1 9310.2.a.u 1
60.h even 2 1 8550.2.a.bm 1
76.d even 2 1 3610.2.a.e 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
190.2.a.b 1 4.b odd 2 1
950.2.a.c 1 20.d odd 2 1
950.2.b.a 2 20.e even 4 2
1520.2.a.j 1 1.a even 1 1 trivial
1710.2.a.g 1 12.b even 2 1
3610.2.a.e 1 76.d even 2 1
6080.2.a.b 1 8.b even 2 1
6080.2.a.x 1 8.d odd 2 1
7600.2.a.a 1 5.b even 2 1
8550.2.a.bm 1 60.h even 2 1
9310.2.a.u 1 28.d even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(1520))$$:

 $$T_{3} - 3$$ T3 - 3 $$T_{7} - 5$$ T7 - 5

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T - 3$$
$5$ $$T + 1$$
$7$ $$T - 5$$
$11$ $$T - 4$$
$13$ $$T + 1$$
$17$ $$T + 3$$
$19$ $$T + 1$$
$23$ $$T + 7$$
$29$ $$T + 3$$
$31$ $$T - 2$$
$37$ $$T + 2$$
$41$ $$T + 6$$
$43$ $$T + 6$$
$47$ $$T$$
$53$ $$T + 13$$
$59$ $$T - 9$$
$61$ $$T + 12$$
$67$ $$T - 3$$
$71$ $$T$$
$73$ $$T - 11$$
$79$ $$T - 2$$
$83$ $$T - 10$$
$89$ $$T - 2$$
$97$ $$T + 2$$