# Properties

 Label 1700.1.p.a Level $1700$ Weight $1$ Character orbit 1700.p Analytic conductor $0.848$ Analytic rank $0$ Dimension $2$ Projective image $D_{4}$ CM discriminant -4 Inner twists $4$

# Related objects

Show commands: Magma / PariGP / SageMath

## Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [1700,1,Mod(251,1700)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(1700, base_ring=CyclotomicField(4))

chi = DirichletCharacter(H, H._module([2, 0, 1]))

N = Newforms(chi, 1, names="a")

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

chi := DirichletCharacter("1700.251");

S:= CuspForms(chi, 1);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$1700 = 2^{2} \cdot 5^{2} \cdot 17$$ Weight: $$k$$ $$=$$ $$1$$ Character orbit: $$[\chi]$$ $$=$$ 1700.p (of order $$4$$, degree $$2$$, minimal)

## 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: no Analytic conductor: $$0.848410521476$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(i)$$ comment: defining polynomial  gp: f.mod \\ as an extension of the character field Defining polynomial: $$x^{2} + 1$$ x^2 + 1 Coefficient ring: $$\Z[a_1, a_2]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 68) Projective image: $$D_{4}$$ Projective field: Galois closure of 4.2.19652.1 Artin image: $C_2\times C_4\wr C_2$ Artin field: Galois closure of $$\mathbb{Q}[x]/(x^{16} - \cdots)$$

## $q$-expansion

comment: q-expansion

sage: f.q_expansion() # note that sage often uses an isomorphic number field

gp: mfcoefs(f, 20)

The $$q$$-expansion and trace form are shown below.

 $$f(q)$$ $$=$$ $$q + i q^{2} - q^{4} - i q^{8} - i q^{9} +O(q^{10})$$ q + z * q^2 - q^4 - z * q^8 - z * q^9 $$q + i q^{2} - q^{4} - i q^{8} - i q^{9} + q^{16} + q^{17} + q^{18} + ( - i + 1) q^{29} + i q^{32} + i q^{34} + i q^{36} + ( - i + 1) q^{37} + (i + 1) q^{41} + i q^{49} + (i + 1) q^{58} + ( - i - 1) q^{61} - q^{64} - q^{68} - q^{72} + (i - 1) q^{73} + (i + 1) q^{74} - q^{81} + (i - 1) q^{82} + ( - i + 1) q^{97} - q^{98} +O(q^{100})$$ q + z * q^2 - q^4 - z * q^8 - z * q^9 + q^16 + q^17 + q^18 + (-z + 1) * q^29 + z * q^32 + z * q^34 + z * q^36 + (-z + 1) * q^37 + (z + 1) * q^41 + z * q^49 + (z + 1) * q^58 + (-z - 1) * q^61 - q^64 - q^68 - q^72 + (z - 1) * q^73 + (z + 1) * q^74 - q^81 + (z - 1) * q^82 + (-z + 1) * q^97 - q^98 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q - 2 q^{4}+O(q^{10})$$ 2 * q - 2 * q^4 $$2 q - 2 q^{4} + 2 q^{16} + 2 q^{17} + 2 q^{18} + 2 q^{29} + 2 q^{37} + 2 q^{41} + 2 q^{58} - 2 q^{61} - 2 q^{64} - 2 q^{68} - 2 q^{72} - 2 q^{73} + 2 q^{74} - 2 q^{81} - 2 q^{82} + 2 q^{97} - 2 q^{98}+O(q^{100})$$ 2 * q - 2 * q^4 + 2 * q^16 + 2 * q^17 + 2 * q^18 + 2 * q^29 + 2 * q^37 + 2 * q^41 + 2 * q^58 - 2 * q^61 - 2 * q^64 - 2 * q^68 - 2 * q^72 - 2 * q^73 + 2 * q^74 - 2 * q^81 - 2 * q^82 + 2 * q^97 - 2 * q^98

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/1700\mathbb{Z}\right)^\times$$.

 $$n$$ $$477$$ $$851$$ $$1601$$ $$\chi(n)$$ $$1$$ $$-1$$ $$-i$$

## 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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
251.1
 − 1.00000i 1.00000i
1.00000i 0 −1.00000 0 0 0 1.00000i 1.00000i 0
1551.1 1.00000i 0 −1.00000 0 0 0 1.00000i 1.00000i 0
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

## Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 CM by $$\Q(\sqrt{-1})$$
17.c even 4 1 inner
68.f odd 4 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1700.1.p.a 2
4.b odd 2 1 CM 1700.1.p.a 2
5.b even 2 1 68.1.f.a 2
5.c odd 4 1 1700.1.n.a 2
5.c odd 4 1 1700.1.n.b 2
15.d odd 2 1 612.1.l.a 2
17.c even 4 1 inner 1700.1.p.a 2
20.d odd 2 1 68.1.f.a 2
20.e even 4 1 1700.1.n.a 2
20.e even 4 1 1700.1.n.b 2
35.c odd 2 1 3332.1.m.b 2
35.i odd 6 2 3332.1.bc.b 4
35.j even 6 2 3332.1.bc.c 4
40.e odd 2 1 1088.1.p.a 2
40.f even 2 1 1088.1.p.a 2
60.h even 2 1 612.1.l.a 2
68.f odd 4 1 inner 1700.1.p.a 2
85.c even 2 1 1156.1.f.b 2
85.f odd 4 1 1700.1.n.a 2
85.i odd 4 1 1700.1.n.b 2
85.j even 4 1 68.1.f.a 2
85.j even 4 1 1156.1.f.b 2
85.m even 8 2 1156.1.c.b 2
85.m even 8 2 1156.1.d.a 2
85.p odd 16 8 1156.1.g.b 8
140.c even 2 1 3332.1.m.b 2
140.p odd 6 2 3332.1.bc.c 4
140.s even 6 2 3332.1.bc.b 4
255.i odd 4 1 612.1.l.a 2
340.d odd 2 1 1156.1.f.b 2
340.i even 4 1 1700.1.n.b 2
340.n odd 4 1 68.1.f.a 2
340.n odd 4 1 1156.1.f.b 2
340.s even 4 1 1700.1.n.a 2
340.ba odd 8 2 1156.1.c.b 2
340.ba odd 8 2 1156.1.d.a 2
340.bg even 16 8 1156.1.g.b 8
595.u odd 4 1 3332.1.m.b 2
595.bk even 12 2 3332.1.bc.c 4
595.bl odd 12 2 3332.1.bc.b 4
680.bc odd 4 1 1088.1.p.a 2
680.be even 4 1 1088.1.p.a 2
1020.ba even 4 1 612.1.l.a 2
2380.bd even 4 1 3332.1.m.b 2
2380.dc odd 12 2 3332.1.bc.c 4
2380.dj even 12 2 3332.1.bc.b 4

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
68.1.f.a 2 5.b even 2 1
68.1.f.a 2 20.d odd 2 1
68.1.f.a 2 85.j even 4 1
68.1.f.a 2 340.n odd 4 1
612.1.l.a 2 15.d odd 2 1
612.1.l.a 2 60.h even 2 1
612.1.l.a 2 255.i odd 4 1
612.1.l.a 2 1020.ba even 4 1
1088.1.p.a 2 40.e odd 2 1
1088.1.p.a 2 40.f even 2 1
1088.1.p.a 2 680.bc odd 4 1
1088.1.p.a 2 680.be even 4 1
1156.1.c.b 2 85.m even 8 2
1156.1.c.b 2 340.ba odd 8 2
1156.1.d.a 2 85.m even 8 2
1156.1.d.a 2 340.ba odd 8 2
1156.1.f.b 2 85.c even 2 1
1156.1.f.b 2 85.j even 4 1
1156.1.f.b 2 340.d odd 2 1
1156.1.f.b 2 340.n odd 4 1
1156.1.g.b 8 85.p odd 16 8
1156.1.g.b 8 340.bg even 16 8
1700.1.n.a 2 5.c odd 4 1
1700.1.n.a 2 20.e even 4 1
1700.1.n.a 2 85.f odd 4 1
1700.1.n.a 2 340.s even 4 1
1700.1.n.b 2 5.c odd 4 1
1700.1.n.b 2 20.e even 4 1
1700.1.n.b 2 85.i odd 4 1
1700.1.n.b 2 340.i even 4 1
1700.1.p.a 2 1.a even 1 1 trivial
1700.1.p.a 2 4.b odd 2 1 CM
1700.1.p.a 2 17.c even 4 1 inner
1700.1.p.a 2 68.f odd 4 1 inner
3332.1.m.b 2 35.c odd 2 1
3332.1.m.b 2 140.c even 2 1
3332.1.m.b 2 595.u odd 4 1
3332.1.m.b 2 2380.bd even 4 1
3332.1.bc.b 4 35.i odd 6 2
3332.1.bc.b 4 140.s even 6 2
3332.1.bc.b 4 595.bl odd 12 2
3332.1.bc.b 4 2380.dj even 12 2
3332.1.bc.c 4 35.j even 6 2
3332.1.bc.c 4 140.p odd 6 2
3332.1.bc.c 4 595.bk even 12 2
3332.1.bc.c 4 2380.dc odd 12 2

## Hecke kernels

This newform subspace is the entire newspace $$S_{1}^{\mathrm{new}}(1700, [\chi])$$.

## Hecke characteristic polynomials

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