# Properties

 Label 108.1.c.a Level $108$ Weight $1$ Character orbit 108.c Self dual yes Analytic conductor $0.054$ Analytic rank $0$ Dimension $1$ Projective image $D_{3}$ CM discriminant -3 Inner twists $2$

# Related objects

## Newspace parameters

 Level: $$N$$ $$=$$ $$108 = 2^{2} \cdot 3^{3}$$ Weight: $$k$$ $$=$$ $$1$$ Character orbit: $$[\chi]$$ $$=$$ 108.c (of order $$2$$, degree $$1$$, minimal)

## Newform invariants

 Self dual: yes Analytic conductor: $$0.0538990213644$$ Analytic rank: $$0$$ Dimension: $$1$$ Coefficient field: $$\mathbb{Q}$$ Coefficient ring: $$\mathbb{Z}$$ Coefficient ring index: $$1$$ Twist minimal: yes Projective image: $$D_{3}$$ Projective field: Galois closure of 3.1.108.1 Artin image: $S_3$ Artin field: Galois closure of 3.1.108.1

## $q$-expansion

 $$f(q)$$ $$=$$ $$q - q^{7} + O(q^{10})$$ $$q - q^{7} - q^{13} - q^{19} + q^{25} + 2 q^{31} - q^{37} + 2 q^{43} - q^{61} - q^{67} - q^{73} - q^{79} + q^{91} - q^{97} + O(q^{100})$$

## Expression as an eta quotient

$$f(z) = \eta(6z)\eta(18z)=q\prod_{n=1}^\infty(1 - q^{6n})^{}(1 - q^{18n})^{}$$

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/108\mathbb{Z}\right)^\times$$.

 $$n$$ $$29$$ $$55$$ $$\chi(n)$$ $$-1$$ $$1$$

## 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.

Label $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
53.1
 0
0 0 0 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

## Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by $$\Q(\sqrt{-3})$$

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 108.1.c.a 1
3.b odd 2 1 CM 108.1.c.a 1
4.b odd 2 1 432.1.e.a 1
5.b even 2 1 2700.1.g.b 1
5.c odd 4 2 2700.1.b.b 2
8.b even 2 1 1728.1.e.a 1
8.d odd 2 1 1728.1.e.b 1
9.c even 3 2 324.1.g.a 2
9.d odd 6 2 324.1.g.a 2
12.b even 2 1 432.1.e.a 1
15.d odd 2 1 2700.1.g.b 1
15.e even 4 2 2700.1.b.b 2
24.f even 2 1 1728.1.e.b 1
24.h odd 2 1 1728.1.e.a 1
27.e even 9 6 2916.1.k.c 6
27.f odd 18 6 2916.1.k.c 6
36.f odd 6 2 1296.1.q.a 2
36.h even 6 2 1296.1.q.a 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
108.1.c.a 1 1.a even 1 1 trivial
108.1.c.a 1 3.b odd 2 1 CM
324.1.g.a 2 9.c even 3 2
324.1.g.a 2 9.d odd 6 2
432.1.e.a 1 4.b odd 2 1
432.1.e.a 1 12.b even 2 1
1296.1.q.a 2 36.f odd 6 2
1296.1.q.a 2 36.h even 6 2
1728.1.e.a 1 8.b even 2 1
1728.1.e.a 1 24.h odd 2 1
1728.1.e.b 1 8.d odd 2 1
1728.1.e.b 1 24.f even 2 1
2700.1.b.b 2 5.c odd 4 2
2700.1.b.b 2 15.e even 4 2
2700.1.g.b 1 5.b even 2 1
2700.1.g.b 1 15.d odd 2 1
2916.1.k.c 6 27.e even 9 6
2916.1.k.c 6 27.f odd 18 6

## Hecke kernels

This newform subspace is the entire newspace $$S_{1}^{\mathrm{new}}(108, [\chi])$$.

## Hecke characteristic polynomials

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