Properties

 Label 1800.4.a.y Level $1800$ Weight $4$ Character orbit 1800.a Self dual yes Analytic conductor $106.203$ 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] = [1800,4,Mod(1,1800)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1800, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))

N = Newforms(chi, 4, names="a")

//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code

chi := DirichletCharacter("1800.1");

S:= CuspForms(chi, 4);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1800 = 2^{3} \cdot 3^{2} \cdot 5^{2}$$ Weight: $$k$$ $$=$$ $$4$$ Character orbit: $$[\chi]$$ $$=$$ 1800.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: $$106.203438010$$ Analytic rank: $$1$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 120) 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)

 $$f(q)$$ $$=$$ $$q + 10 q^{7}+O(q^{10})$$ q + 10 * q^7 $$q + 10 q^{7} + 46 q^{11} - 34 q^{13} - 66 q^{17} + 104 q^{19} - 164 q^{23} - 224 q^{29} - 72 q^{31} - 22 q^{37} - 194 q^{41} + 108 q^{43} + 480 q^{47} - 243 q^{49} - 286 q^{53} - 426 q^{59} + 698 q^{61} + 328 q^{67} - 188 q^{71} - 740 q^{73} + 460 q^{77} + 1168 q^{79} - 412 q^{83} - 1206 q^{89} - 340 q^{91} - 1384 q^{97}+O(q^{100})$$ q + 10 * q^7 + 46 * q^11 - 34 * q^13 - 66 * q^17 + 104 * q^19 - 164 * q^23 - 224 * q^29 - 72 * q^31 - 22 * q^37 - 194 * q^41 + 108 * q^43 + 480 * q^47 - 243 * q^49 - 286 * q^53 - 426 * q^59 + 698 * q^61 + 328 * q^67 - 188 * q^71 - 740 * q^73 + 460 * q^77 + 1168 * q^79 - 412 * q^83 - 1206 * q^89 - 340 * q^91 - 1384 * 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 0 0 0 0 10.0000 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
$$2$$ $$-1$$
$$3$$ $$-1$$
$$5$$ $$-1$$

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 1800.4.a.y 1
3.b odd 2 1 600.4.a.o 1
5.b even 2 1 1800.4.a.j 1
5.c odd 4 2 360.4.f.c 2
12.b even 2 1 1200.4.a.f 1
15.d odd 2 1 600.4.a.b 1
15.e even 4 2 120.4.f.a 2
20.e even 4 2 720.4.f.g 2
60.h even 2 1 1200.4.a.bh 1
60.l odd 4 2 240.4.f.b 2
120.q odd 4 2 960.4.f.g 2
120.w even 4 2 960.4.f.l 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
120.4.f.a 2 15.e even 4 2
240.4.f.b 2 60.l odd 4 2
360.4.f.c 2 5.c odd 4 2
600.4.a.b 1 15.d odd 2 1
600.4.a.o 1 3.b odd 2 1
720.4.f.g 2 20.e even 4 2
960.4.f.g 2 120.q odd 4 2
960.4.f.l 2 120.w even 4 2
1200.4.a.f 1 12.b even 2 1
1200.4.a.bh 1 60.h even 2 1
1800.4.a.j 1 5.b even 2 1
1800.4.a.y 1 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{4}^{\mathrm{new}}(\Gamma_0(1800))$$:

 $$T_{7} - 10$$ T7 - 10 $$T_{11} - 46$$ T11 - 46 $$T_{17} + 66$$ T17 + 66

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T$$
$3$ $$T$$
$5$ $$T$$
$7$ $$T - 10$$
$11$ $$T - 46$$
$13$ $$T + 34$$
$17$ $$T + 66$$
$19$ $$T - 104$$
$23$ $$T + 164$$
$29$ $$T + 224$$
$31$ $$T + 72$$
$37$ $$T + 22$$
$41$ $$T + 194$$
$43$ $$T - 108$$
$47$ $$T - 480$$
$53$ $$T + 286$$
$59$ $$T + 426$$
$61$ $$T - 698$$
$67$ $$T - 328$$
$71$ $$T + 188$$
$73$ $$T + 740$$
$79$ $$T - 1168$$
$83$ $$T + 412$$
$89$ $$T + 1206$$
$97$ $$T + 1384$$