Properties

 Label 1480.2.a.b Level $1480$ Weight $2$ Character orbit 1480.a Self dual yes Analytic conductor $11.818$ 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] = [1480,2,Mod(1,1480)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1480, 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("1480.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1480 = 2^{3} \cdot 5 \cdot 37$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1480.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: $$11.8178594991$$ Analytic rank: $$1$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: yes 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)

 $$f(q)$$ $$=$$ $$q - 2 q^{3} + q^{5} + 2 q^{7} + q^{9}+O(q^{10})$$ q - 2 * q^3 + q^5 + 2 * q^7 + q^9 $$q - 2 q^{3} + q^{5} + 2 q^{7} + q^{9} - 6 q^{13} - 2 q^{15} - 2 q^{17} + 6 q^{19} - 4 q^{21} - 4 q^{23} + q^{25} + 4 q^{27} - 2 q^{29} - 6 q^{31} + 2 q^{35} + q^{37} + 12 q^{39} - 6 q^{41} + 8 q^{43} + q^{45} - 6 q^{47} - 3 q^{49} + 4 q^{51} - 10 q^{53} - 12 q^{57} + 14 q^{59} + 6 q^{61} + 2 q^{63} - 6 q^{65} - 14 q^{67} + 8 q^{69} + 8 q^{71} - 6 q^{73} - 2 q^{75} - 14 q^{79} - 11 q^{81} + 2 q^{83} - 2 q^{85} + 4 q^{87} - 6 q^{89} - 12 q^{91} + 12 q^{93} + 6 q^{95} + 2 q^{97}+O(q^{100})$$ q - 2 * q^3 + q^5 + 2 * q^7 + q^9 - 6 * q^13 - 2 * q^15 - 2 * q^17 + 6 * q^19 - 4 * q^21 - 4 * q^23 + q^25 + 4 * q^27 - 2 * q^29 - 6 * q^31 + 2 * q^35 + q^37 + 12 * q^39 - 6 * q^41 + 8 * q^43 + q^45 - 6 * q^47 - 3 * q^49 + 4 * q^51 - 10 * q^53 - 12 * q^57 + 14 * q^59 + 6 * q^61 + 2 * q^63 - 6 * q^65 - 14 * q^67 + 8 * q^69 + 8 * q^71 - 6 * q^73 - 2 * q^75 - 14 * q^79 - 11 * q^81 + 2 * q^83 - 2 * q^85 + 4 * q^87 - 6 * q^89 - 12 * q^91 + 12 * q^93 + 6 * q^95 + 2 * q^97

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 −2.00000 0 1.00000 0 2.00000 0 1.00000 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
$$2$$ $$1$$
$$5$$ $$-1$$
$$37$$ $$-1$$

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 1480.2.a.b 1
4.b odd 2 1 2960.2.a.l 1
5.b even 2 1 7400.2.a.i 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1480.2.a.b 1 1.a even 1 1 trivial
2960.2.a.l 1 4.b odd 2 1
7400.2.a.i 1 5.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $$T_{3} + 2$$ acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(1480))$$.

Hecke characteristic polynomials

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