LMFDB - Newform orbit 912.1.ce.a

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [912,1,Mod(143,912)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(912, base_ring=CyclotomicField(18))

chi = DirichletCharacter(H, H._module([9, 0, 9, 17]))

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

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

chi := DirichletCharacter("912.143");

S:= CuspForms(chi, 1);

N := Newforms(S);

Level:	$ N $	$=$	$ 912 = 2^{4} \cdot 3 \cdot 19 $
Weight:	$ k $	$=$	$ 1 $
Character orbit:	$[\chi]$	$=$	912.ce (of order $18$, degree $6$, 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:	$0.455147291521$
Analytic rank:	$0$
Dimension:	$6$
Coefficient field:	$\Q(\zeta_{18})$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$ x^{6} - x^{3} + 1 $ x^6 - x^3 + 1
Coefficient ring:	$\Z[a_1, a_2, a_3]$
Coefficient ring index:	$ 1 $
Twist minimal:	yes
Projective image:	$D_{18}$
Projective field:	Galois closure of $\mathbb{Q}[x]/(x^{18} + \cdots)$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/912\mathbb{Z}\right)^\times$.

$n$	$97$	$229$	$305$	$799$
$\chi(n)$	$-\zeta_{18}^{4}$	$1$	$-1$	$-1$

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} $

143.1

−0.766044	−	0.642788i
−0.766044	+	0.642788i
0.939693	+	0.342020i
0.939693	−	0.342020i
−0.173648	−	0.984808i
−0.173648	+	0.984808i

−0.766044

0.642788i

1.11334

0.642788i

0.173648

−

0.984808i

287.1

−0.766044

−

0.642788i

1.11334

−

0.642788i

0.173648

0.984808i

383.1

0.939693

−

0.342020i

0.592396

−

0.342020i

0.766044

−

0.642788i

431.1

0.939693

0.342020i

0.592396

0.342020i

0.766044

0.642788i

527.1

−0.173648

0.984808i

−1.70574

0.984808i

−0.939693

−

0.342020i

623.1

−0.173648

−

0.984808i

−1.70574

−

0.984808i

−0.939693

0.342020i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
3.b	odd	2	1	CM by $\Q(\sqrt{-3}) $
76.k	even	18	1	inner
228.u	odd	18	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	912.1.ce.a	✓	6
3.b	odd	2	1	CM	912.1.ce.a	✓	6
4.b	odd	2	1		912.1.ce.b	yes	6
8.b	even	2	1		3648.1.cu.b		6
8.d	odd	2	1		3648.1.cu.a		6
12.b	even	2	1		912.1.ce.b	yes	6
19.f	odd	18	1		912.1.ce.b	yes	6
24.f	even	2	1		3648.1.cu.a		6
24.h	odd	2	1		3648.1.cu.b		6
57.j	even	18	1		912.1.ce.b	yes	6
76.k	even	18	1	inner	912.1.ce.a	✓	6
152.s	odd	18	1		3648.1.cu.a		6
152.v	even	18	1		3648.1.cu.b		6
228.u	odd	18	1	inner	912.1.ce.a	✓	6
456.bj	even	18	1		3648.1.cu.a		6
456.bt	odd	18	1		3648.1.cu.b		6

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
912.1.ce.a	✓	6	1.a	even	1	1	trivial
912.1.ce.a	✓	6	3.b	odd	2	1	CM
912.1.ce.a	✓	6	76.k	even	18	1	inner
912.1.ce.a	✓	6	228.u	odd	18	1	inner
912.1.ce.b	yes	6	4.b	odd	2	1
912.1.ce.b	yes	6	12.b	even	2	1
912.1.ce.b	yes	6	19.f	odd	18	1
912.1.ce.b	yes	6	57.j	even	18	1
3648.1.cu.a		6	8.d	odd	2	1
3648.1.cu.a		6	24.f	even	2	1
3648.1.cu.a		6	152.s	odd	18	1
3648.1.cu.a		6	456.bj	even	18	1
3648.1.cu.b		6	8.b	even	2	1
3648.1.cu.b		6	24.h	odd	2	1
3648.1.cu.b		6	152.v	even	18	1
3648.1.cu.b		6	456.bt	odd	18	1

This newform subspace can be constructed as the kernel of the linear operator $ T_{7}^{6} - 3T_{7}^{4} + 9T_{7}^{2} - 9T_{7} + 3 $ T7^6 - 3*T7^4 + 9*T7^2 - 9*T7 + 3 acting on $S_{1}^{\mathrm{new}}(912, [\chi])$.

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T^{6} $ T^6
$3$	$ T^{6} - T^{3} + 1 $ T^6 - T^3 + 1
$5$	$ T^{6} $ T^6
$7$	$ T^{6} - 3 T^{4} + \cdots + 3 $ T^6 - 3T^4 + 9T^2 - 9*T + 3
$11$	$ T^{6} $ T^6
$13$	$ T^{6} + 3 T^{5} + \cdots + 3 $ T^6 + 3T^5 + 6T^4 + 6*T^3 + 3
$17$	$ T^{6} $ T^6
$19$	$ (T^{2} + T + 1)^{3} $ (T^2 + T + 1)^3
$23$	$ T^{6} $ T^6
$29$	$ T^{6} $ T^6
$31$	$ T^{6} + 3 T^{4} + \cdots + 1 $ T^6 + 3T^4 + 2T^3 + 9T^2 + 3T + 1
$37$	$ T^{6} + 6 T^{4} + \cdots + 3 $ T^6 + 6T^4 + 9T^2 + 3
$41$	$ T^{6} $ T^6
$43$	$ T^{6} - 3 T^{5} + \cdots + 3 $ T^6 - 3T^5 + 6T^4 - 6*T^3 + 3
$47$	$ T^{6} $ T^6
$53$	$ T^{6} $ T^6
$59$	$ T^{6} $ T^6
$61$	$ T^{6} + 6 T^{5} + \cdots + 1 $ T^6 + 6T^5 + 15T^4 + 19T^3 + 12T^2 + 3*T + 1
$67$	$ T^{6} + 3 T^{5} + \cdots + 1 $ T^6 + 3T^5 + 6T^4 + 8T^3 + 12T^2 + 6*T + 1
$71$	$ T^{6} $ T^6
$73$	$ T^{6} - 3 T^{5} + \cdots + 1 $ T^6 - 3T^5 + 6T^4 - 8T^3 + 12T^2 - 6*T + 1
$79$	$ T^{6} + 6 T^{5} + \cdots + 1 $ T^6 + 6T^5 + 15T^4 + 19T^3 + 12T^2 + 3*T + 1
$83$	$ T^{6} $ T^6
$89$	$ T^{6} $ T^6
$97$	$ T^{6} + 9T^{3} + 27 $ T^6 + 9*T^3 + 27
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Elliptic curves over $\Q$
Elliptic curves over $\Q(\alpha)$
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Higher genus families
Abelian varieties over $\F_{q}$

Level:	\( N \)	\(=\)	\( 912 = 2^{4} \cdot 3 \cdot 19 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	912.ce (of order \(18\), degree \(6\), minimal)

\(f(q)\)	\(=\)	\( q - \zeta_{18}^{8} q^{3} + ( - \zeta_{18}^{4} + \zeta_{18}^{2}) q^{7} - \zeta_{18}^{7} q^{9} +O(q^{10}) \) q - z^8 * q^3 + (-z^4 + z^2) * q^7 - z^7 * q^9	\( q - \zeta_{18}^{8} q^{3} + ( - \zeta_{18}^{4} + \zeta_{18}^{2}) q^{7} - \zeta_{18}^{7} q^{9} + (\zeta_{18}^{6} + \zeta_{18}^{5}) q^{13} - \zeta_{18}^{3} q^{19} + ( - \zeta_{18}^{3} + \zeta_{18}) q^{21} - \zeta_{18} q^{25} - \zeta_{18}^{6} q^{27} + ( - \zeta_{18}^{5} - \zeta_{18}) q^{31} + (\zeta_{18}^{7} + \zeta_{18}^{2}) q^{37} + (\zeta_{18}^{5} + \zeta_{18}^{4}) q^{39} + ( - \zeta_{18}^{7} + \zeta_{18}^{3}) q^{43} + (\zeta_{18}^{8} + \cdots + \zeta_{18}^{4}) q^{49} + \cdots + ( - \zeta_{18}^{8} - \zeta_{18}^{5}) q^{97} +O(q^{100}) \) q - z^8 * q^3 + (-z^4 + z^2) * q^7 - z^7 * q^9 + (z^6 + z^5) * q^13 - z^3 * q^19 + (-z^3 + z) * q^21 - z * q^25 - z^6 * q^27 + (-z^5 - z) * q^31 + (z^7 + z^2) * q^37 + (z^5 + z^4) * q^39 + (-z^7 + z^3) * q^43 + (z^8 - z^6 + z^4) * q^49 - z^2 * q^57 + (-z^8 - 1) * q^61 + (-z^2 + 1) * q^63 + (z^8 + z^6) * q^67 + (-z^4 + z^3) * q^73 - q^75 + (z^7 - 1) * q^79 - z^5 * q^81 + (z^8 + z^7 + z + 1) * q^91 + (-z^4 - 1) * q^93 + (-z^8 - z^5) * q^97
\(\operatorname{Tr}(f)(q)\)	\(=\)	\( 6 q+O(q^{10}) \) 6 * q	\( 6 q - 3 q^{13} - 3 q^{19} - 3 q^{21} + 3 q^{27} + 3 q^{43} + 3 q^{49} - 6 q^{61} + 6 q^{63} - 3 q^{67} + 3 q^{73} - 6 q^{75} - 6 q^{79} + 6 q^{91} - 6 q^{93}+O(q^{100}) \) 6 * q - 3 * q^13 - 3 * q^19 - 3 * q^21 + 3 * q^27 + 3 * q^43 + 3 * q^49 - 6 * q^61 + 6 * q^63 - 3 * q^67 + 3 * q^73 - 6 * q^75 - 6 * q^79 + 6 * q^91 - 6 * q^93

Introduction

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Modular forms

Varieties

Fields

Representations

Groups

Database

Properties

Related objects

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Newspace parameters

Newform invariants

$q$-expansion

Character values

Embeddings

Inner twists

Twists

Hecke kernels

Hecke characteristic polynomials

This project is supported by grants from the US National Science Foundation, the UK Engineering and Physical Sciences Research Council, and the Simons Foundation.

Label	912.1.ce.a

Level	$912$
Weight	$1$
Character orbit	912.ce
Analytic conductor	$0.455$
Analytic rank	$0$
Dimension	$6$
Projective image	$D_{18}$
CM discriminant	-3
Inner twists	$4$

Self dual:	no
Analytic conductor:	\(0.455147291521\)
Analytic rank:	\(0\)
Dimension:	\(6\)
Coefficient field:	\(\Q(\zeta_{18})\)
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	\( x^{6} - x^{3} + 1 \) x^6 - x^3 + 1
Coefficient ring:	\(\Z[a_1, a_2, a_3]\)
Coefficient ring index:	\( 1 \)
Twist minimal:	yes
Projective image:	\(D_{18}\)
Projective field:	Galois closure of \(\mathbb{Q}[x]/(x^{18} + \cdots)\)

\(n\)	\(97\)	\(229\)	\(305\)	\(799\)
\(\chi(n)\)	\(-\zeta_{18}^{4}\)	\(1\)	\(-1\)	\(-1\)

\(n\):		e.g. 2-40 or 990-1000
Embeddings:		e.g. 1-3 or 143.1
Significant digits:
Format:

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
3.b	odd	2	1	CM by \(\Q(\sqrt{-3}) \)
76.k	even	18	1	inner
228.u	odd	18	1	inner

$p$	$F_p(T)$
$2$	\( T^{6} \) T^6
$3$	\( T^{6} - T^{3} + 1 \) T^6 - T^3 + 1
$5$	\( T^{6} \) T^6
$7$	\( T^{6} - 3 T^{4} + \cdots + 3 \) T^6 - 3T^4 + 9T^2 - 9*T + 3
$11$	\( T^{6} \) T^6
$13$	\( T^{6} + 3 T^{5} + \cdots + 3 \) T^6 + 3T^5 + 6T^4 + 6*T^3 + 3
$17$	\( T^{6} \) T^6
$19$	\( (T^{2} + T + 1)^{3} \) (T^2 + T + 1)^3
$23$	\( T^{6} \) T^6
$29$	\( T^{6} \) T^6
$31$	\( T^{6} + 3 T^{4} + \cdots + 1 \) T^6 + 3T^4 + 2T^3 + 9T^2 + 3T + 1
$37$	\( T^{6} + 6 T^{4} + \cdots + 3 \) T^6 + 6T^4 + 9T^2 + 3
$41$	\( T^{6} \) T^6
$43$	\( T^{6} - 3 T^{5} + \cdots + 3 \) T^6 - 3T^5 + 6T^4 - 6*T^3 + 3
$47$	\( T^{6} \) T^6
$53$	\( T^{6} \) T^6
$59$	\( T^{6} \) T^6
$61$	\( T^{6} + 6 T^{5} + \cdots + 1 \) T^6 + 6T^5 + 15T^4 + 19T^3 + 12T^2 + 3*T + 1
$67$	\( T^{6} + 3 T^{5} + \cdots + 1 \) T^6 + 3T^5 + 6T^4 + 8T^3 + 12T^2 + 6*T + 1
$71$	\( T^{6} \) T^6
$73$	\( T^{6} - 3 T^{5} + \cdots + 1 \) T^6 - 3T^5 + 6T^4 - 8T^3 + 12T^2 - 6*T + 1
$79$	\( T^{6} + 6 T^{5} + \cdots + 1 \) T^6 + 6T^5 + 15T^4 + 19T^3 + 12T^2 + 3*T + 1
$83$	\( T^{6} \) T^6
$89$	\( T^{6} \) T^6
$97$	\( T^{6} + 9T^{3} + 27 \) T^6 + 9*T^3 + 27
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