Properties

 Label 1575.2.a.k Level $1575$ Weight $2$ Character orbit 1575.a Self dual yes Analytic conductor $12.576$ 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] = [1575,2,Mod(1,1575)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1575, 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("1575.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1575 = 3^{2} \cdot 5^{2} \cdot 7$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 1575.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: $$12.5764383184$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 35) 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)

 $$f(q)$$ $$=$$ $$q + 2 q^{2} + 2 q^{4} + q^{7}+O(q^{10})$$ q + 2 * q^2 + 2 * q^4 + q^7 $$q + 2 q^{2} + 2 q^{4} + q^{7} + 3 q^{11} - q^{13} + 2 q^{14} - 4 q^{16} + 7 q^{17} + 6 q^{22} + 6 q^{23} - 2 q^{26} + 2 q^{28} + 5 q^{29} + 2 q^{31} - 8 q^{32} + 14 q^{34} - 2 q^{37} - 2 q^{41} + 4 q^{43} + 6 q^{44} + 12 q^{46} - 3 q^{47} + q^{49} - 2 q^{52} + 6 q^{53} + 10 q^{58} - 10 q^{59} - 8 q^{61} + 4 q^{62} - 8 q^{64} - 2 q^{67} + 14 q^{68} + 8 q^{71} - 6 q^{73} - 4 q^{74} + 3 q^{77} - 5 q^{79} - 4 q^{82} - 4 q^{83} + 8 q^{86} - q^{91} + 12 q^{92} - 6 q^{94} - 7 q^{97} + 2 q^{98}+O(q^{100})$$ q + 2 * q^2 + 2 * q^4 + q^7 + 3 * q^11 - q^13 + 2 * q^14 - 4 * q^16 + 7 * q^17 + 6 * q^22 + 6 * q^23 - 2 * q^26 + 2 * q^28 + 5 * q^29 + 2 * q^31 - 8 * q^32 + 14 * q^34 - 2 * q^37 - 2 * q^41 + 4 * q^43 + 6 * q^44 + 12 * q^46 - 3 * q^47 + q^49 - 2 * q^52 + 6 * q^53 + 10 * q^58 - 10 * q^59 - 8 * q^61 + 4 * q^62 - 8 * q^64 - 2 * q^67 + 14 * q^68 + 8 * q^71 - 6 * q^73 - 4 * q^74 + 3 * q^77 - 5 * q^79 - 4 * q^82 - 4 * q^83 + 8 * q^86 - q^91 + 12 * q^92 - 6 * q^94 - 7 * q^97 + 2 * 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
2.00000 0 2.00000 0 0 1.00000 0 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
$$3$$ $$-1$$
$$5$$ $$-1$$
$$7$$ $$-1$$

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 1575.2.a.k 1
3.b odd 2 1 175.2.a.a 1
5.b even 2 1 1575.2.a.a 1
5.c odd 4 2 315.2.d.a 2
12.b even 2 1 2800.2.a.w 1
15.d odd 2 1 175.2.a.c 1
15.e even 4 2 35.2.b.a 2
20.e even 4 2 5040.2.t.p 2
21.c even 2 1 1225.2.a.a 1
35.f even 4 2 2205.2.d.b 2
60.h even 2 1 2800.2.a.l 1
60.l odd 4 2 560.2.g.b 2
105.g even 2 1 1225.2.a.i 1
105.k odd 4 2 245.2.b.a 2
105.w odd 12 4 245.2.j.d 4
105.x even 12 4 245.2.j.e 4
120.q odd 4 2 2240.2.g.g 2
120.w even 4 2 2240.2.g.h 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
35.2.b.a 2 15.e even 4 2
175.2.a.a 1 3.b odd 2 1
175.2.a.c 1 15.d odd 2 1
245.2.b.a 2 105.k odd 4 2
245.2.j.d 4 105.w odd 12 4
245.2.j.e 4 105.x even 12 4
315.2.d.a 2 5.c odd 4 2
560.2.g.b 2 60.l odd 4 2
1225.2.a.a 1 21.c even 2 1
1225.2.a.i 1 105.g even 2 1
1575.2.a.a 1 5.b even 2 1
1575.2.a.k 1 1.a even 1 1 trivial
2205.2.d.b 2 35.f even 4 2
2240.2.g.g 2 120.q odd 4 2
2240.2.g.h 2 120.w even 4 2
2800.2.a.l 1 60.h even 2 1
2800.2.a.w 1 12.b even 2 1
5040.2.t.p 2 20.e even 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(\Gamma_0(1575))$$:

 $$T_{2} - 2$$ T2 - 2 $$T_{11} - 3$$ T11 - 3 $$T_{13} + 1$$ T13 + 1

Hecke characteristic polynomials

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