LMFDB - Newform orbit 342.2.u.a

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [342,2,Mod(55,342)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(342, base_ring=CyclotomicField(18))

chi = DirichletCharacter(H, H._module([0, 10]))

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

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

chi := DirichletCharacter("342.55");

S:= CuspForms(chi, 2);

N := Newforms(S);

Level:	$ N $	$=$	$ 342 = 2 \cdot 3^{2} \cdot 19 $
Weight:	$ k $	$=$	$ 2 $
Character orbit:	$[\chi]$	$=$	342.u (of order $9$, 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:	$2.73088374913$
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:	$\Z[a_1, a_2]$
Coefficient ring index:	$ 1 $
Twist minimal:	no (minimal twist has level 114)
Sato-Tate group:	$\mathrm{SU}(2)[C_{9}]$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/342\mathbb{Z}\right)^\times$.

$n$	$191$	$325$
$\chi(n)$	$1$	$\zeta_{18}^{2}$

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} $

55.1

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

0.173648

−

0.984808i

−0.939693

−

0.342020i

−3.20574

1.16679i

1.43969

2.49362i

−0.500000

0.866025i

0.592396

3.35965i

73.1

0.766044

0.642788i

0.173648

0.984808i

−0.386659

2.19285i

0.326352

0.565258i

−0.500000

0.866025i

−1.70574

1.43128i

199.1

0.173648

0.984808i

−0.939693

0.342020i

−3.20574

−

1.16679i

1.43969

−

2.49362i

−0.500000

−

0.866025i

0.592396

−

3.35965i

253.1

0.766044

−

0.642788i

0.173648

−

0.984808i

−0.386659

−

2.19285i

0.326352

−

0.565258i

−0.500000

−

0.866025i

−1.70574

−

1.43128i

271.1

−0.939693

0.342020i

0.766044

−

0.642788i

−0.907604

−

0.761570i

−0.266044

−

0.460802i

−0.500000

0.866025i

1.11334

0.405223i

289.1

−0.939693

−

0.342020i

0.766044

0.642788i

−0.907604

0.761570i

−0.266044

0.460802i

−0.500000

−

0.866025i

1.11334

−

0.405223i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
19.e	even	9	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	342.2.u.a		6
3.b	odd	2	1		114.2.i.d	✓	6
12.b	even	2	1		912.2.bo.f		6
19.e	even	9	1	inner	342.2.u.a		6
19.e	even	9	1		6498.2.a.bs		3
19.f	odd	18	1		6498.2.a.bn		3
57.j	even	18	1		2166.2.a.u		3
57.l	odd	18	1		114.2.i.d	✓	6
57.l	odd	18	1		2166.2.a.o		3
228.v	even	18	1		912.2.bo.f		6

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
114.2.i.d	✓	6	3.b	odd	2	1
114.2.i.d	✓	6	57.l	odd	18	1
342.2.u.a		6	1.a	even	1	1	trivial
342.2.u.a		6	19.e	even	9	1	inner
912.2.bo.f		6	12.b	even	2	1
912.2.bo.f		6	228.v	even	18	1
2166.2.a.o		3	57.l	odd	18	1
2166.2.a.u		3	57.j	even	18	1
6498.2.a.bn		3	19.f	odd	18	1
6498.2.a.bs		3	19.e	even	9	1

This newform subspace can be constructed as the kernel of the linear operator $ T_{5}^{6} + 9T_{5}^{5} + 36T_{5}^{4} + 90T_{5}^{3} + 162T_{5}^{2} + 162T_{5} + 81 $ T5^6 + 9*T5^5 + 36*T5^4 + 90*T5^3 + 162*T5^2 + 162*T5 + 81 acting on $S_{2}^{\mathrm{new}}(342, [\chi])$.

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T^{6} + T^{3} + 1 $ T^6 + T^3 + 1
$3$	$ T^{6} $ T^6
$5$	$ T^{6} + 9 T^{5} + \cdots + 81 $ T^6 + 9T^5 + 36T^4 + 90T^3 + 162T^2 + 162*T + 81
$7$	$ T^{6} - 3 T^{5} + \cdots + 1 $ T^6 - 3T^5 + 9T^4 - 2T^3 + 3T^2 + 1
$11$	$ T^{6} + 3 T^{4} + \cdots + 1 $ T^6 + 3T^4 + 2T^3 + 9T^2 + 3T + 1
$13$	$ T^{6} + 3 T^{5} + \cdots + 9 $ T^6 + 3T^5 + 18T^4 + 24T^3 + 9T^2 - 27*T + 9
$17$	$ T^{6} - 3 T^{5} + \cdots + 289 $ T^6 - 3T^5 + 48T^4 - 244T^3 + 591T^2 - 663*T + 289
$19$	$ T^{6} + 18 T^{5} + \cdots + 6859 $ T^6 + 18T^5 + 162T^4 + 883T^3 + 3078T^2 + 6498*T + 6859
$23$	$ T^{6} - 21 T^{5} + \cdots + 72361 $ T^6 - 21T^5 + 210T^4 - 1396T^3 + 7674T^2 - 32280*T + 72361
$29$	$ T^{6} - 3 T^{5} + \cdots + 45369 $ T^6 - 3T^5 + 18T^4 + 84T^3 + 1386T^2 + 15336*T + 45369
$31$	$ T^{6} - 9 T^{5} + \cdots + 729 $ T^6 - 9T^5 + 81T^4 - 54T^3 + 243T^2 + 729
$37$	$ (T^{3} + 9 T^{2} + \cdots - 361)^{2} $ (T^3 + 9T^2 - 57T - 361)^2
$41$	$ T^{6} - 15 T^{5} + \cdots + 11881 $ T^6 - 15T^5 + 177T^4 - 1288T^3 + 5376T^2 - 12099*T + 11881
$43$	$ T^{6} - 3 T^{5} + \cdots + 3249 $ T^6 - 3T^5 + 99T^4 + 84T^3 - 504T^2 + 513*T + 3249
$47$	$ T^{6} - 9 T^{5} + \cdots + 2809 $ T^6 - 9T^5 + 63T^4 - 352T^3 + 1530T^2 - 3339*T + 2809
$53$	$ T^{6} + 12 T^{5} + \cdots + 94249 $ T^6 + 12T^5 + 174T^4 + 1351T^3 + 16962T^2 - 81048*T + 94249
$59$	$ T^{6} + 27 T^{5} + \cdots + 289 $ T^6 + 27T^5 + 324T^4 + 1232T^3 + 1701T^2 + 459*T + 289
$61$	$ T^{6} - 3 T^{5} + \cdots + 1682209 $ T^6 - 3T^5 - 60T^4 - 1207T^3 + 8979T^2 + 38910*T + 1682209
$67$	$ T^{6} - 21 T^{5} + \cdots + 9 $ T^6 - 21T^5 + 126T^4 - 24T^3 + 144T^2 - 54*T + 9
$71$	$ T^{6} + 39 T^{5} + \cdots + 201601 $ T^6 + 39T^5 + 561T^4 + 3592T^3 + 16386T^2 + 57921*T + 201601
$73$	$ T^{6} - 36 T^{5} + \cdots + 1369 $ T^6 - 36T^5 + 558T^4 - 4148T^3 + 12330T^2 + 999*T + 1369
$79$	$ T^{6} + 45 T^{5} + \cdots + 4515625 $ T^6 + 45T^5 + 1125T^4 + 19000T^3 + 213750T^2 + 1434375*T + 4515625
$83$	$ T^{6} - 27 T^{5} + \cdots + 253009 $ T^6 - 27T^5 + 507T^4 - 4988T^3 + 35703T^2 - 111666*T + 253009
$89$	$ T^{6} - 30 T^{5} + \cdots + 11449 $ T^6 - 30T^5 + 246T^4 + 62T^3 + 2580T^2 + 7383*T + 11449
$97$	$ T^{6} + 6 T^{5} + \cdots + 2809 $ T^6 + 6T^5 + 3T^4 + 35T^3 + 276T^2 - 1113*T + 2809
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Overview	Random
Universe	Knowledge

Classical	Maass
Hilbert	Bianchi

Elliptic curves over $\Q$
Elliptic curves over $\Q(\alpha)$
Genus 2 curves over $\Q$
Higher genus families
Abelian varieties over $\F_{q}$

Level:	\( N \)	\(=\)	\( 342 = 2 \cdot 3^{2} \cdot 19 \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	342.u (of order \(9\), degree \(6\), minimal)

\(f(q)\)	\(=\)	\( q - \zeta_{18} q^{2} + \zeta_{18}^{2} q^{4} + (\zeta_{18}^{5} - \zeta_{18}^{3} + \cdots - 1) q^{5} + \cdots - \zeta_{18}^{3} q^{8} +O(q^{10}) \) q - z * q^2 + z^2 * q^4 + (z^5 - z^3 + z^2 - 1) * q^5 + (z^5 + z^4 - z^3 - z^2 + 1) * q^7 - z^3 * q^8	\( q - \zeta_{18} q^{2} + \zeta_{18}^{2} q^{4} + (\zeta_{18}^{5} - \zeta_{18}^{3} + \cdots - 1) q^{5} + \cdots + (\zeta_{18}^{5} - 4 \zeta_{18}^{4} + \cdots + 3) q^{98} +O(q^{100}) \) q - z * q^2 + z^2 * q^4 + (z^5 - z^3 + z^2 - 1) * q^5 + (z^5 + z^4 - z^3 - z^2 + 1) * q^7 - z^3 * q^8 + (z^4 - 2z^3 + z + 1) q^10 + (z^4 + z^2) * q^11 + (2z^5 + z^4 + z^3 - 1) q^13 + (-z^5 + z^4 - z + 1) * q^14 + z^4 * q^16 + (3z^5 - 3z^3 - z^2 + 2z + 2) q^17 + (2z^5 + 2z^4 - 2z^3 - z - 2) q^19 + (-z^5 + 2z^4 - z^2 - z) q^20 + (-z^5 - z^3) * q^22 + (2z^4 + 3z^3 - 2z^2 + 3z + 2) * q^23 + (-z^5 + 3z^4 + 3z^3 - 3z) q^25 + (-z^5 - z^4 - 2z^3 + z + 2) q^26 + (-z^5 + z^3 + z^2 - z - 1) * q^28 + (2z^5 - 3z^4 + 5z^3 - 2z^2 - 2z - 2) q^29 + (-3z^3 + 3z^2 - 3z + 3) q^31 - z^5 * q^32 + (3z^4 - 2z^3 - 2z^2 - 2z + 3) * q^34 + (-2z^5 - 3z^4 + 2z^3 + 4z^2 - 4) * q^35 + (-2z^5 - 4z^4 + 6z^2 + 6z - 3) * q^37 + (-2z^5 + 2z^4 - 2z^3 + z^2 + 2z + 2) * q^38 + (-2z^5 + 2z^3 + z^2 - 1) * q^40 + (4z^5 + 3z^4 + 3z^3 - z^2 + 1) q^41 + (z^5 - 5z^4 + 3z^3 - 3z^2 + 5z - 1) * q^43 + (z^4 + z^3 - 1) * q^44 + (-2z^5 - 3z^4 + 2z^3 - 3z^2 - 2z) q^46 + (-z^5 - 3z^4 + 3z^3 + z^2) * q^47 + (3z^5 - z^4 + 4z^3 - z^2 + 3z) q^49 + (-3z^5 - 3z^4 + z^3 + 3z^2 - 1) q^50 + (z^5 + 2z^4 + z^3 - z^2 - 2z - 1) * q^52 + (2z^4 - 8z^3 - z^2 - 8z + 2) q^53 + (-z^5 + z^3 - z^2 - 2) * q^55 + (-z^4 + z^2 + z - 1) * q^56 + (3z^5 - 5z^4 + 2z^2 + 2z + 2) * q^58 + (-3z^5 + 3z^3 - 3z^2 + 4z - 6) * q^59 + (z^4 - z^3 - 11z^2 - z + 1) q^61 + (3z^4 - 3z^3 + 3z^2 - 3z) * q^62 + (z^3 - 1) * q^64 + (-3z^5 - 3z) * q^65 + (-4z^5 - 3z^4 - z^3 + 4z^2 + 4z + 4) * q^67 + (-3z^5 + 2z^4 + 2z^3 + 2z^2 - 3z) q^68 + (3z^5 - 2z^4 - 2z^3 + 4z - 2) * q^70 + (7z^5 - 5z^4 + z^3 - z^2 + 5z - 7) q^71 + (5z^5 + z^4 - 2z^3 - 7z^2 + 7) q^73 + (4z^5 - 4z^3 - 6z^2 + 3z - 2) * q^74 + (-2z^5 + 2z^4 + z^3 - 2z^2 - 2z - 2) * q^76 - q^77 + (-10z^5 - 5z^4 - 5z^3 + 5z^2 - 5) * q^79 + (-2z^4 + z^3 + z - 2) q^80 + (-3z^5 - 3z^4 - 3z^3 - z + 4) q^82 + (-z^5 - z^4 - 9z^3 - 2z^2 + 3z + 9) q^83 + (-9z^5 - z^4 + 8z^3 + 9z^2 - 7z - 7) * q^85 + (5z^5 - 3z^4 + 2z^3 - 5z^2 + z + 1) * q^86 + (-z^5 - z^4 + z) * q^88 + (5z^5 - 4z^4 - 4z^3 - 3z + 7) * q^89 + (-2z^4 + z^2 - 2) q^91 + (3z^5 - 2z^4 + 5z^3 + 2z^2 - 2) * q^92 + (3z^5 - 3z^4 - 1) * q^94 + (-10z^5 - z^4 + 6z^3 + 2z^2 - z - 3) q^95 + (-z^2 - 4z - 1) q^97 + (z^5 - 4z^4 - 2z^3 - 3z^2 + 3) q^98
\(\operatorname{Tr}(f)(q)\)	\(=\)	\( 6 q - 9 q^{5} + 3 q^{7} - 3 q^{8}+O(q^{10}) \) 6 * q - 9 * q^5 + 3 * q^7 - 3 * q^8	\( 6 q - 9 q^{5} + 3 q^{7} - 3 q^{8} - 3 q^{13} + 6 q^{14} + 3 q^{17} - 18 q^{19} - 3 q^{22} + 21 q^{23} + 9 q^{25} + 6 q^{26} - 3 q^{28} + 3 q^{29} + 9 q^{31} + 12 q^{34} - 18 q^{35} - 18 q^{37} + 6 q^{38} + 15 q^{41} + 3 q^{43} - 3 q^{44} + 6 q^{46} + 9 q^{47} + 12 q^{49} - 3 q^{50} - 3 q^{52} - 12 q^{53} - 9 q^{55} - 6 q^{56} + 12 q^{58} - 27 q^{59} + 3 q^{61} - 9 q^{62} - 3 q^{64} + 21 q^{67} + 6 q^{68} - 18 q^{70} - 39 q^{71} + 36 q^{73} - 24 q^{74} - 9 q^{76} - 6 q^{77} - 45 q^{79} - 9 q^{80} + 15 q^{82} + 27 q^{83} - 18 q^{85} + 12 q^{86} + 30 q^{89} - 12 q^{91} + 3 q^{92} - 6 q^{94} - 6 q^{97} + 12 q^{98}+O(q^{100}) \) 6 * q - 9 * q^5 + 3 * q^7 - 3 * q^8 - 3 * q^13 + 6 * q^14 + 3 * q^17 - 18 * q^19 - 3 * q^22 + 21 * q^23 + 9 * q^25 + 6 * q^26 - 3 * q^28 + 3 * q^29 + 9 * q^31 + 12 * q^34 - 18 * q^35 - 18 * q^37 + 6 * q^38 + 15 * q^41 + 3 * q^43 - 3 * q^44 + 6 * q^46 + 9 * q^47 + 12 * q^49 - 3 * q^50 - 3 * q^52 - 12 * q^53 - 9 * q^55 - 6 * q^56 + 12 * q^58 - 27 * q^59 + 3 * q^61 - 9 * q^62 - 3 * q^64 + 21 * q^67 + 6 * q^68 - 18 * q^70 - 39 * q^71 + 36 * q^73 - 24 * q^74 - 9 * q^76 - 6 * q^77 - 45 * q^79 - 9 * q^80 + 15 * q^82 + 27 * q^83 - 18 * q^85 + 12 * q^86 + 30 * q^89 - 12 * q^91 + 3 * q^92 - 6 * q^94 - 6 * q^97 + 12 * q^98

Introduction

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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	342.2.u.a

Level	$342$
Weight	$2$
Character orbit	342.u
Analytic conductor	$2.731$
Analytic rank	$0$
Dimension	$6$
CM	no
Inner twists	$2$

Self dual:	no
Analytic conductor:	\(2.73088374913\)
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:	\(\Z[a_1, a_2]\)
Coefficient ring index:	\( 1 \)
Twist minimal:	no (minimal twist has level 114)
Sato-Tate group:	$\mathrm{SU}(2)[C_{9}]$

\(n\):		e.g. 2-40 or 990-1000
Embeddings:		e.g. 1-3 or 55.1
Significant digits:
Format:

$p$	$F_p(T)$
$2$	\( T^{6} + T^{3} + 1 \) T^6 + T^3 + 1
$3$	\( T^{6} \) T^6
$5$	\( T^{6} + 9 T^{5} + \cdots + 81 \) T^6 + 9T^5 + 36T^4 + 90T^3 + 162T^2 + 162*T + 81
$7$	\( T^{6} - 3 T^{5} + \cdots + 1 \) T^6 - 3T^5 + 9T^4 - 2T^3 + 3T^2 + 1
$11$	\( T^{6} + 3 T^{4} + \cdots + 1 \) T^6 + 3T^4 + 2T^3 + 9T^2 + 3T + 1
$13$	\( T^{6} + 3 T^{5} + \cdots + 9 \) T^6 + 3T^5 + 18T^4 + 24T^3 + 9T^2 - 27*T + 9
$17$	\( T^{6} - 3 T^{5} + \cdots + 289 \) T^6 - 3T^5 + 48T^4 - 244T^3 + 591T^2 - 663*T + 289
$19$	\( T^{6} + 18 T^{5} + \cdots + 6859 \) T^6 + 18T^5 + 162T^4 + 883T^3 + 3078T^2 + 6498*T + 6859
$23$	\( T^{6} - 21 T^{5} + \cdots + 72361 \) T^6 - 21T^5 + 210T^4 - 1396T^3 + 7674T^2 - 32280*T + 72361
$29$	\( T^{6} - 3 T^{5} + \cdots + 45369 \) T^6 - 3T^5 + 18T^4 + 84T^3 + 1386T^2 + 15336*T + 45369
$31$	\( T^{6} - 9 T^{5} + \cdots + 729 \) T^6 - 9T^5 + 81T^4 - 54T^3 + 243T^2 + 729
$37$	\( (T^{3} + 9 T^{2} + \cdots - 361)^{2} \) (T^3 + 9T^2 - 57T - 361)^2
$41$	\( T^{6} - 15 T^{5} + \cdots + 11881 \) T^6 - 15T^5 + 177T^4 - 1288T^3 + 5376T^2 - 12099*T + 11881
$43$	\( T^{6} - 3 T^{5} + \cdots + 3249 \) T^6 - 3T^5 + 99T^4 + 84T^3 - 504T^2 + 513*T + 3249
$47$	\( T^{6} - 9 T^{5} + \cdots + 2809 \) T^6 - 9T^5 + 63T^4 - 352T^3 + 1530T^2 - 3339*T + 2809
$53$	\( T^{6} + 12 T^{5} + \cdots + 94249 \) T^6 + 12T^5 + 174T^4 + 1351T^3 + 16962T^2 - 81048*T + 94249
$59$	\( T^{6} + 27 T^{5} + \cdots + 289 \) T^6 + 27T^5 + 324T^4 + 1232T^3 + 1701T^2 + 459*T + 289
$61$	\( T^{6} - 3 T^{5} + \cdots + 1682209 \) T^6 - 3T^5 - 60T^4 - 1207T^3 + 8979T^2 + 38910*T + 1682209
$67$	\( T^{6} - 21 T^{5} + \cdots + 9 \) T^6 - 21T^5 + 126T^4 - 24T^3 + 144T^2 - 54*T + 9
$71$	\( T^{6} + 39 T^{5} + \cdots + 201601 \) T^6 + 39T^5 + 561T^4 + 3592T^3 + 16386T^2 + 57921*T + 201601
$73$	\( T^{6} - 36 T^{5} + \cdots + 1369 \) T^6 - 36T^5 + 558T^4 - 4148T^3 + 12330T^2 + 999*T + 1369
$79$	\( T^{6} + 45 T^{5} + \cdots + 4515625 \) T^6 + 45T^5 + 1125T^4 + 19000T^3 + 213750T^2 + 1434375*T + 4515625
$83$	\( T^{6} - 27 T^{5} + \cdots + 253009 \) T^6 - 27T^5 + 507T^4 - 4988T^3 + 35703T^2 - 111666*T + 253009
$89$	\( T^{6} - 30 T^{5} + \cdots + 11449 \) T^6 - 30T^5 + 246T^4 + 62T^3 + 2580T^2 + 7383*T + 11449
$97$	\( T^{6} + 6 T^{5} + \cdots + 2809 \) T^6 + 6T^5 + 3T^4 + 35T^3 + 276T^2 - 1113*T + 2809
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\(n\)	\(191\)	\(325\)
\(\chi(n)\)	\(1\)	\(\zeta_{18}^{2}\)