# Properties

 Label 676.1.j.a Level $676$ Weight $1$ Character orbit 676.j Analytic conductor $0.337$ Analytic rank $0$ Dimension $2$ Projective image $D_{3}$ CM discriminant -4 Inner twists $4$

# Related objects

Show commands: Magma / PariGP / SageMath

## Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [676,1,Mod(191,676)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(676, base_ring=CyclotomicField(6))

chi = DirichletCharacter(H, H._module([3, 4]))

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

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

chi := DirichletCharacter("676.191");

S:= CuspForms(chi, 1);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$676 = 2^{2} \cdot 13^{2}$$ Weight: $$k$$ $$=$$ $$1$$ Character orbit: $$[\chi]$$ $$=$$ 676.j (of order $$6$$, degree $$2$$, not 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: $$0.337367948540$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\zeta_{6})$$ comment: defining polynomial  gp: f.mod \\ as an extension of the character field Defining polynomial: $$x^{2} - x + 1$$ x^2 - x + 1 Coefficient ring: $$\Z[a_1, a_2]$$ Coefficient ring index: $$1$$ Twist minimal: no (minimal twist has level 52) Projective image: $$D_{3}$$ Projective field: Galois closure of 3.1.676.1 Artin image: $C_6\times S_3$ Artin field: Galois closure of 12.0.3341233033216.1

## $q$-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.

 $$f(q)$$ $$=$$ $$q - \zeta_{6}^{2} q^{2} - \zeta_{6} q^{4} + q^{5} - q^{8} - \zeta_{6} q^{9} +O(q^{10})$$ q - z^2 * q^2 - z * q^4 + q^5 - q^8 - z * q^9 $$q - \zeta_{6}^{2} q^{2} - \zeta_{6} q^{4} + q^{5} - q^{8} - \zeta_{6} q^{9} - \zeta_{6}^{2} q^{10} + \zeta_{6}^{2} q^{16} + \zeta_{6} q^{17} - q^{18} - \zeta_{6} q^{20} - \zeta_{6}^{2} q^{29} + \zeta_{6} q^{32} + q^{34} + \zeta_{6}^{2} q^{36} + \zeta_{6}^{2} q^{37} - q^{40} + \zeta_{6}^{2} q^{41} - \zeta_{6} q^{45} + \zeta_{6}^{2} q^{49} - q^{53} - \zeta_{6} q^{58} + \zeta_{6} q^{61} + q^{64} - \zeta_{6}^{2} q^{68} + \zeta_{6} q^{72} + q^{73} + \zeta_{6} q^{74} + \zeta_{6}^{2} q^{80} + \zeta_{6}^{2} q^{81} + \zeta_{6} q^{82} + \zeta_{6} q^{85} - \zeta_{6}^{2} q^{89} - q^{90} + \zeta_{6} q^{97} + \zeta_{6} q^{98} +O(q^{100})$$ q - z^2 * q^2 - z * q^4 + q^5 - q^8 - z * q^9 - z^2 * q^10 + z^2 * q^16 + z * q^17 - q^18 - z * q^20 - z^2 * q^29 + z * q^32 + q^34 + z^2 * q^36 + z^2 * q^37 - q^40 + z^2 * q^41 - z * q^45 + z^2 * q^49 - q^53 - z * q^58 + z * q^61 + q^64 - z^2 * q^68 + z * q^72 + q^73 + z * q^74 + z^2 * q^80 + z^2 * q^81 + z * q^82 + z * q^85 - z^2 * q^89 - q^90 + z * q^97 + z * q^98 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q + q^{2} - q^{4} + 2 q^{5} - 2 q^{8} - q^{9}+O(q^{10})$$ 2 * q + q^2 - q^4 + 2 * q^5 - 2 * q^8 - q^9 $$2 q + q^{2} - q^{4} + 2 q^{5} - 2 q^{8} - q^{9} + q^{10} - q^{16} + q^{17} - 2 q^{18} - q^{20} + q^{29} + q^{32} + 2 q^{34} - q^{36} - q^{37} - 2 q^{40} - q^{41} - q^{45} - q^{49} - 2 q^{53} - q^{58} + q^{61} + 2 q^{64} + q^{68} + q^{72} + 2 q^{73} + q^{74} - q^{80} - q^{81} + q^{82} + q^{85} + 2 q^{89} - 2 q^{90} + 2 q^{97} + q^{98}+O(q^{100})$$ 2 * q + q^2 - q^4 + 2 * q^5 - 2 * q^8 - q^9 + q^10 - q^16 + q^17 - 2 * q^18 - q^20 + q^29 + q^32 + 2 * q^34 - q^36 - q^37 - 2 * q^40 - q^41 - q^45 - q^49 - 2 * q^53 - q^58 + q^61 + 2 * q^64 + q^68 + q^72 + 2 * q^73 + q^74 - q^80 - q^81 + q^82 + q^85 + 2 * q^89 - 2 * q^90 + 2 * q^97 + q^98

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/676\mathbb{Z}\right)^\times$$.

 $$n$$ $$339$$ $$509$$ $$\chi(n)$$ $$-1$$ $$-\zeta_{6}$$

## 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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
191.1
 0.5 + 0.866025i 0.5 − 0.866025i
0.500000 0.866025i 0 −0.500000 0.866025i 1.00000 0 0 −1.00000 −0.500000 0.866025i 0.500000 0.866025i
315.1 0.500000 + 0.866025i 0 −0.500000 + 0.866025i 1.00000 0 0 −1.00000 −0.500000 + 0.866025i 0.500000 + 0.866025i
 $$n$$: 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 $$\Q(\sqrt{-1})$$
13.c even 3 1 inner
52.j odd 6 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 676.1.j.a 2
4.b odd 2 1 CM 676.1.j.a 2
13.b even 2 1 52.1.j.a 2
13.c even 3 1 676.1.c.a 1
13.c even 3 1 inner 676.1.j.a 2
13.d odd 4 2 676.1.i.a 4
13.e even 6 1 52.1.j.a 2
13.e even 6 1 676.1.c.b 1
13.f odd 12 2 676.1.b.a 2
13.f odd 12 2 676.1.i.a 4
39.d odd 2 1 468.1.br.a 2
39.h odd 6 1 468.1.br.a 2
52.b odd 2 1 52.1.j.a 2
52.f even 4 2 676.1.i.a 4
52.i odd 6 1 52.1.j.a 2
52.i odd 6 1 676.1.c.b 1
52.j odd 6 1 676.1.c.a 1
52.j odd 6 1 inner 676.1.j.a 2
52.l even 12 2 676.1.b.a 2
52.l even 12 2 676.1.i.a 4
65.d even 2 1 1300.1.bc.a 2
65.h odd 4 2 1300.1.w.a 4
65.l even 6 1 1300.1.bc.a 2
65.r odd 12 2 1300.1.w.a 4
91.b odd 2 1 2548.1.bn.a 2
91.k even 6 1 2548.1.q.b 2
91.l odd 6 1 2548.1.q.a 2
91.p odd 6 1 2548.1.bi.a 2
91.r even 6 1 2548.1.q.b 2
91.r even 6 1 2548.1.bi.b 2
91.s odd 6 1 2548.1.q.a 2
91.s odd 6 1 2548.1.bi.a 2
91.t odd 6 1 2548.1.bn.a 2
91.u even 6 1 2548.1.bi.b 2
104.e even 2 1 832.1.bb.a 2
104.h odd 2 1 832.1.bb.a 2
104.p odd 6 1 832.1.bb.a 2
104.s even 6 1 832.1.bb.a 2
156.h even 2 1 468.1.br.a 2
156.r even 6 1 468.1.br.a 2
208.o odd 4 2 3328.1.v.b 4
208.p even 4 2 3328.1.v.b 4
208.bh even 12 2 3328.1.v.b 4
208.bi odd 12 2 3328.1.v.b 4
260.g odd 2 1 1300.1.bc.a 2
260.p even 4 2 1300.1.w.a 4
260.w odd 6 1 1300.1.bc.a 2
260.bg even 12 2 1300.1.w.a 4
364.h even 2 1 2548.1.bn.a 2
364.s odd 6 1 2548.1.bi.b 2
364.w even 6 1 2548.1.q.a 2
364.x even 6 1 2548.1.q.a 2
364.x even 6 1 2548.1.bi.a 2
364.bc even 6 1 2548.1.bn.a 2
364.bk odd 6 1 2548.1.q.b 2
364.bl odd 6 1 2548.1.q.b 2
364.bl odd 6 1 2548.1.bi.b 2
364.bp even 6 1 2548.1.bi.a 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
52.1.j.a 2 13.b even 2 1
52.1.j.a 2 13.e even 6 1
52.1.j.a 2 52.b odd 2 1
52.1.j.a 2 52.i odd 6 1
468.1.br.a 2 39.d odd 2 1
468.1.br.a 2 39.h odd 6 1
468.1.br.a 2 156.h even 2 1
468.1.br.a 2 156.r even 6 1
676.1.b.a 2 13.f odd 12 2
676.1.b.a 2 52.l even 12 2
676.1.c.a 1 13.c even 3 1
676.1.c.a 1 52.j odd 6 1
676.1.c.b 1 13.e even 6 1
676.1.c.b 1 52.i odd 6 1
676.1.i.a 4 13.d odd 4 2
676.1.i.a 4 13.f odd 12 2
676.1.i.a 4 52.f even 4 2
676.1.i.a 4 52.l even 12 2
676.1.j.a 2 1.a even 1 1 trivial
676.1.j.a 2 4.b odd 2 1 CM
676.1.j.a 2 13.c even 3 1 inner
676.1.j.a 2 52.j odd 6 1 inner
832.1.bb.a 2 104.e even 2 1
832.1.bb.a 2 104.h odd 2 1
832.1.bb.a 2 104.p odd 6 1
832.1.bb.a 2 104.s even 6 1
1300.1.w.a 4 65.h odd 4 2
1300.1.w.a 4 65.r odd 12 2
1300.1.w.a 4 260.p even 4 2
1300.1.w.a 4 260.bg even 12 2
1300.1.bc.a 2 65.d even 2 1
1300.1.bc.a 2 65.l even 6 1
1300.1.bc.a 2 260.g odd 2 1
1300.1.bc.a 2 260.w odd 6 1
2548.1.q.a 2 91.l odd 6 1
2548.1.q.a 2 91.s odd 6 1
2548.1.q.a 2 364.w even 6 1
2548.1.q.a 2 364.x even 6 1
2548.1.q.b 2 91.k even 6 1
2548.1.q.b 2 91.r even 6 1
2548.1.q.b 2 364.bk odd 6 1
2548.1.q.b 2 364.bl odd 6 1
2548.1.bi.a 2 91.p odd 6 1
2548.1.bi.a 2 91.s odd 6 1
2548.1.bi.a 2 364.x even 6 1
2548.1.bi.a 2 364.bp even 6 1
2548.1.bi.b 2 91.r even 6 1
2548.1.bi.b 2 91.u even 6 1
2548.1.bi.b 2 364.s odd 6 1
2548.1.bi.b 2 364.bl odd 6 1
2548.1.bn.a 2 91.b odd 2 1
2548.1.bn.a 2 91.t odd 6 1
2548.1.bn.a 2 364.h even 2 1
2548.1.bn.a 2 364.bc even 6 1
3328.1.v.b 4 208.o odd 4 2
3328.1.v.b 4 208.p even 4 2
3328.1.v.b 4 208.bh even 12 2
3328.1.v.b 4 208.bi odd 12 2

## Hecke kernels

This newform subspace is the entire newspace $$S_{1}^{\mathrm{new}}(676, [\chi])$$.

## Hecke characteristic polynomials

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