# Properties

 Label 350.2.c.b Level $350$ Weight $2$ Character orbit 350.c Analytic conductor $2.795$ Analytic rank $0$ Dimension $2$ CM no Inner twists $2$

# Related objects

Show commands: Magma / PariGP / SageMath

## Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [350,2,Mod(99,350)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(350, base_ring=CyclotomicField(2))

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

N = Newforms(chi, 2, names="a")

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

chi := DirichletCharacter("350.99");

S:= CuspForms(chi, 2);

N := Newforms(S);

 Level: $$N$$ $$=$$ $$350 = 2 \cdot 5^{2} \cdot 7$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 350.c (of order $$2$$, degree $$1$$, 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: $$2.79476407074$$ Analytic rank: $$0$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-1})$$ 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 70) Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

## $q$-expansion

comment: q-expansion

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

gp: mfcoefs(f, 20)

Coefficients of the $$q$$-expansion are expressed in terms of $$i = \sqrt{-1}$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + i q^{2} - q^{4} - i q^{7} - i q^{8} + 3 q^{9} +O(q^{10})$$ q + i * q^2 - q^4 - i * q^7 - i * q^8 + 3 * q^9 $$q + i q^{2} - q^{4} - i q^{7} - i q^{8} + 3 q^{9} + 4 q^{11} + 6 i q^{13} + q^{14} + q^{16} + 2 i q^{17} + 3 i q^{18} + 4 i q^{22} - 6 q^{26} + i q^{28} - 6 q^{29} + 8 q^{31} + i q^{32} - 2 q^{34} - 3 q^{36} - 10 i q^{37} + 2 q^{41} - 4 i q^{43} - 4 q^{44} + 8 i q^{47} - q^{49} - 6 i q^{52} + 2 i q^{53} - q^{56} - 6 i q^{58} + 8 q^{59} - 14 q^{61} + 8 i q^{62} - 3 i q^{63} - q^{64} - 12 i q^{67} - 2 i q^{68} - 16 q^{71} - 3 i q^{72} - 2 i q^{73} + 10 q^{74} - 4 i q^{77} + 8 q^{79} + 9 q^{81} + 2 i q^{82} - 8 i q^{83} + 4 q^{86} - 4 i q^{88} - 10 q^{89} + 6 q^{91} - 8 q^{94} + 2 i q^{97} - i q^{98} + 12 q^{99} +O(q^{100})$$ q + i * q^2 - q^4 - i * q^7 - i * q^8 + 3 * q^9 + 4 * q^11 + 6*i * q^13 + q^14 + q^16 + 2*i * q^17 + 3*i * q^18 + 4*i * q^22 - 6 * q^26 + i * q^28 - 6 * q^29 + 8 * q^31 + i * q^32 - 2 * q^34 - 3 * q^36 - 10*i * q^37 + 2 * q^41 - 4*i * q^43 - 4 * q^44 + 8*i * q^47 - q^49 - 6*i * q^52 + 2*i * q^53 - q^56 - 6*i * q^58 + 8 * q^59 - 14 * q^61 + 8*i * q^62 - 3*i * q^63 - q^64 - 12*i * q^67 - 2*i * q^68 - 16 * q^71 - 3*i * q^72 - 2*i * q^73 + 10 * q^74 - 4*i * q^77 + 8 * q^79 + 9 * q^81 + 2*i * q^82 - 8*i * q^83 + 4 * q^86 - 4*i * q^88 - 10 * q^89 + 6 * q^91 - 8 * q^94 + 2*i * q^97 - i * q^98 + 12 * q^99 $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2 q - 2 q^{4} + 6 q^{9}+O(q^{10})$$ 2 * q - 2 * q^4 + 6 * q^9 $$2 q - 2 q^{4} + 6 q^{9} + 8 q^{11} + 2 q^{14} + 2 q^{16} - 12 q^{26} - 12 q^{29} + 16 q^{31} - 4 q^{34} - 6 q^{36} + 4 q^{41} - 8 q^{44} - 2 q^{49} - 2 q^{56} + 16 q^{59} - 28 q^{61} - 2 q^{64} - 32 q^{71} + 20 q^{74} + 16 q^{79} + 18 q^{81} + 8 q^{86} - 20 q^{89} + 12 q^{91} - 16 q^{94} + 24 q^{99}+O(q^{100})$$ 2 * q - 2 * q^4 + 6 * q^9 + 8 * q^11 + 2 * q^14 + 2 * q^16 - 12 * q^26 - 12 * q^29 + 16 * q^31 - 4 * q^34 - 6 * q^36 + 4 * q^41 - 8 * q^44 - 2 * q^49 - 2 * q^56 + 16 * q^59 - 28 * q^61 - 2 * q^64 - 32 * q^71 + 20 * q^74 + 16 * q^79 + 18 * q^81 + 8 * q^86 - 20 * q^89 + 12 * q^91 - 16 * q^94 + 24 * q^99

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/350\mathbb{Z}\right)^\times$$.

 $$n$$ $$101$$ $$127$$ $$\chi(n)$$ $$1$$ $$-1$$

## 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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
99.1
 − 1.00000i 1.00000i
1.00000i 0 −1.00000 0 0 1.00000i 1.00000i 3.00000 0
99.2 1.00000i 0 −1.00000 0 0 1.00000i 1.00000i 3.00000 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
5.b even 2 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 350.2.c.b 2
3.b odd 2 1 3150.2.g.c 2
4.b odd 2 1 2800.2.g.n 2
5.b even 2 1 inner 350.2.c.b 2
5.c odd 4 1 70.2.a.a 1
5.c odd 4 1 350.2.a.b 1
7.b odd 2 1 2450.2.c.k 2
15.d odd 2 1 3150.2.g.c 2
15.e even 4 1 630.2.a.d 1
15.e even 4 1 3150.2.a.bj 1
20.d odd 2 1 2800.2.g.n 2
20.e even 4 1 560.2.a.d 1
20.e even 4 1 2800.2.a.m 1
35.c odd 2 1 2450.2.c.k 2
35.f even 4 1 490.2.a.h 1
35.f even 4 1 2450.2.a.l 1
35.k even 12 2 490.2.e.c 2
35.l odd 12 2 490.2.e.d 2
40.i odd 4 1 2240.2.a.n 1
40.k even 4 1 2240.2.a.q 1
55.e even 4 1 8470.2.a.j 1
60.l odd 4 1 5040.2.a.bm 1
105.k odd 4 1 4410.2.a.b 1
140.j odd 4 1 3920.2.a.t 1

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
70.2.a.a 1 5.c odd 4 1
350.2.a.b 1 5.c odd 4 1
350.2.c.b 2 1.a even 1 1 trivial
350.2.c.b 2 5.b even 2 1 inner
490.2.a.h 1 35.f even 4 1
490.2.e.c 2 35.k even 12 2
490.2.e.d 2 35.l odd 12 2
560.2.a.d 1 20.e even 4 1
630.2.a.d 1 15.e even 4 1
2240.2.a.n 1 40.i odd 4 1
2240.2.a.q 1 40.k even 4 1
2450.2.a.l 1 35.f even 4 1
2450.2.c.k 2 7.b odd 2 1
2450.2.c.k 2 35.c odd 2 1
2800.2.a.m 1 20.e even 4 1
2800.2.g.n 2 4.b odd 2 1
2800.2.g.n 2 20.d odd 2 1
3150.2.a.bj 1 15.e even 4 1
3150.2.g.c 2 3.b odd 2 1
3150.2.g.c 2 15.d odd 2 1
3920.2.a.t 1 140.j odd 4 1
4410.2.a.b 1 105.k odd 4 1
5040.2.a.bm 1 60.l odd 4 1
8470.2.a.j 1 55.e even 4 1

## Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $$T_{3}$$ acting on $$S_{2}^{\mathrm{new}}(350, [\chi])$$.

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$T^{2} + 1$$
$3$ $$T^{2}$$
$5$ $$T^{2}$$
$7$ $$T^{2} + 1$$
$11$ $$(T - 4)^{2}$$
$13$ $$T^{2} + 36$$
$17$ $$T^{2} + 4$$
$19$ $$T^{2}$$
$23$ $$T^{2}$$
$29$ $$(T + 6)^{2}$$
$31$ $$(T - 8)^{2}$$
$37$ $$T^{2} + 100$$
$41$ $$(T - 2)^{2}$$
$43$ $$T^{2} + 16$$
$47$ $$T^{2} + 64$$
$53$ $$T^{2} + 4$$
$59$ $$(T - 8)^{2}$$
$61$ $$(T + 14)^{2}$$
$67$ $$T^{2} + 144$$
$71$ $$(T + 16)^{2}$$
$73$ $$T^{2} + 4$$
$79$ $$(T - 8)^{2}$$
$83$ $$T^{2} + 64$$
$89$ $$(T + 10)^{2}$$
$97$ $$T^{2} + 4$$