LMFDB - Newform orbit 169.4.c.i

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [169,4,Mod(22,169)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(169, base_ring=CyclotomicField(6))

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

N = Newforms(chi, 4, names="a")

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

chi := DirichletCharacter("169.22");

S:= CuspForms(chi, 4);

N := Newforms(S);

Level:	$ N $	$=$	$ 169 = 13^{2} $
Weight:	$ k $	$=$	$ 4 $
Character orbit:	$[\chi]$	$=$	169.c (of order $3$, 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:	$9.97132279097$
Analytic rank:	$0$
Dimension:	$4$
Relative dimension:	$2$ over $\Q(\zeta_{3})$
Coefficient field:	$\Q(\zeta_{12})$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$ x^{4} - x^{2} + 1 $ x^4 - x^2 + 1
Coefficient ring:	$\Z[a_1, \ldots, a_{7}]$
Coefficient ring index:	$ 3 $
Twist minimal:	no (minimal twist has level 13)
Sato-Tate group:	$\mathrm{SU}(2)[C_{3}]$

$q$-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 a basis $1,\beta_1,\beta_2,\beta_3$ for the coefficient ring described below. We also show the integral $q$-expansion of the trace form.

$f(q)$	$=$	$ q - 2 \beta_{2} q^{2} + 7 \beta_1 q^{3} + (4 \beta_1 - 4) q^{4} + 8 \beta_{3} q^{5} + (14 \beta_{3} - 14 \beta_{2}) q^{6} + (13 \beta_{3} - 13 \beta_{2}) q^{7} - 8 \beta_{3} q^{8} + (22 \beta_1 - 22) q^{9}+ \cdots - 286 \beta_{3} q^{99}+O(q^{100}) $ q - 2b2 q^2 + 7b1 q^3 + (4b1 - 4) q^4 + 8b3 q^5 + (14b3 - 14b2) * q^6 + (13b3 - 13b2) * q^7 - 8b3 q^8 + (22b1 - 22) q^9 - 48b1 q^10 + 13b2 q^11 - 28 * q^12 - 78 * q^14 + 56b2 q^15 + 80b1 q^16 + (-27b1 + 27) q^17 + 44b3 q^18 + (51b3 - 51b2) * q^19 + (-32b3 + 32b2) * q^20 + 91b3 q^21 + (-78b1 + 78) q^22 + 57b1 q^23 - 56b2 q^24 + 67 * q^25 + 35 * q^27 + 52b2 q^28 + 69b1 q^29 + (-336b1 + 336) q^30 - 42b3 q^31 + (96b3 - 96b2) * q^32 + (-91b3 + 91b2) * q^33 - 54b3 q^34 + (-312b1 + 312) q^35 - 88b1 q^36 + 23b2 q^37 - 306 * q^38 - 192 * q^40 - 227b2 q^41 - 546b1 q^42 + (85b1 - 85) q^43 - 52b3 q^44 + (-176b3 + 176b2) * q^45 + (114b3 - 114b2) * q^46 + 198b3 q^47 + (560b1 - 560) q^48 - 164b1 q^49 - 134b2 q^50 + 189 * q^51 + 426 * q^53 - 70b2 q^54 + 312b1 q^55 + (312b1 - 312) q^56 + 357b3 q^57 + (138b3 - 138b2) * q^58 + (-11b3 + 11b2) * q^59 - 224b3 q^60 + (-17b1 + 17) q^61 + 252b1 q^62 + 286b2 q^63 + 64 * q^64 + 546 * q^66 + 95b2 q^67 + 108b1 q^68 + (399b1 - 399) q^69 - 624b3 q^70 + (-337b3 + 337b2) * q^71 + (176b3 - 176b2) * q^72 - 580b3 q^73 + (-138b1 + 138) q^74 + 469b1 q^75 + 204b2 q^76 + 507 * q^77 - 1244 * q^79 + 640b2 q^80 + 839b1 q^81 + (1362b1 - 1362) q^82 - 246b3 q^83 + (-364b3 + 364b2) * q^84 + (216b3 - 216b2) * q^85 + 170b3 q^86 + (483b1 - 483) q^87 - 312b1 q^88 - 177b2 q^89 + 1056 * q^90 - 228 * q^92 - 294b2 q^93 - 1188b1 q^94 + (-1224b1 + 1224) q^95 + 672b3 q^96 + (-713b3 + 713b2) * q^97 + (-328b3 + 328b2) * q^98 - 286b3 q^99
$\operatorname{Tr}(f)(q)$	$=$	$ 4 q + 14 q^{3} - 8 q^{4} - 44 q^{9} - 96 q^{10} - 112 q^{12} - 312 q^{14} + 160 q^{16} + 54 q^{17} + 156 q^{22} + 114 q^{23} + 268 q^{25} + 140 q^{27} + 138 q^{29} + 672 q^{30} + 624 q^{35} - 176 q^{36}+ \cdots + 2448 q^{95}+O(q^{100}) $ 4 * q + 14 * q^3 - 8 * q^4 - 44 * q^9 - 96 * q^10 - 112 * q^12 - 312 * q^14 + 160 * q^16 + 54 * q^17 + 156 * q^22 + 114 * q^23 + 268 * q^25 + 140 * q^27 + 138 * q^29 + 672 * q^30 + 624 * q^35 - 176 * q^36 - 1224 * q^38 - 768 * q^40 - 1092 * q^42 - 170 * q^43 - 1120 * q^48 - 328 * q^49 + 756 * q^51 + 1704 * q^53 + 624 * q^55 - 624 * q^56 + 34 * q^61 + 504 * q^62 + 256 * q^64 + 2184 * q^66 + 216 * q^68 - 798 * q^69 + 276 * q^74 + 938 * q^75 + 2028 * q^77 - 4976 * q^79 + 1678 * q^81 - 2724 * q^82 - 966 * q^87 - 624 * q^88 + 4224 * q^90 - 912 * q^92 - 2376 * q^94 + 2448 * q^95

Basis of coefficient ring

$\beta_{1}$	$=$	$ \zeta_{12}^{2} $ v^2
$\beta_{2}$	$=$	$ \zeta_{12}^{3} + \zeta_{12} $ v^3 + v
$\beta_{3}$	$=$	$ -\zeta_{12}^{3} + 2\zeta_{12} $ -v^3 + 2*v

Display $\zeta_{12}^j$ in terms of $\beta_i$

$\zeta_{12}$	$=$	$ ( \beta_{3} + \beta_{2} ) / 3 $ (b3 + b2) / 3
$\zeta_{12}^{2}$	$=$	$ \beta_1 $ b1
$\zeta_{12}^{3}$	$=$	$ ( -\beta_{3} + 2\beta_{2} ) / 3 $ (-b3 + 2*b2) / 3

Display $\beta_i$ in terms of $\zeta_{12}^j$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/169\mathbb{Z}\right)^\times$.

$n$	$2$
$\chi(n)$	$-1 + \beta_{1}$

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} $

22.1

0.866025	−	0.500000i
−0.866025	+	0.500000i
0.866025	+	0.500000i
−0.866025	−	0.500000i

−1.73205

3.00000i

3.50000

−

6.06218i

−2.00000

−

3.46410i

13.8564

12.1244

21.0000i

11.2583

19.5000i

−13.8564

−11.0000

−

19.0526i

−24.0000

41.5692i

22.2

1.73205

−

3.00000i

3.50000

−

6.06218i

−2.00000

−

3.46410i

−13.8564

−12.1244

−

21.0000i

−11.2583

−

19.5000i

13.8564

−11.0000

−

19.0526i

−24.0000

41.5692i

146.1

−1.73205

−

3.00000i

3.50000

6.06218i

−2.00000

3.46410i

13.8564

12.1244

−

21.0000i

11.2583

−

19.5000i

−13.8564

−11.0000

19.0526i

−24.0000

−

41.5692i

146.2

1.73205

3.00000i

3.50000

6.06218i

−2.00000

3.46410i

−13.8564

−12.1244

21.0000i

−11.2583

19.5000i

13.8564

−11.0000

19.0526i

−24.0000

−

41.5692i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
13.b	even	2	1	inner
13.c	even	3	1	inner
13.e	even	6	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	169.4.c.i		4
13.b	even	2	1	inner	169.4.c.i		4
13.c	even	3	1		169.4.a.h		2
13.c	even	3	1	inner	169.4.c.i		4
13.d	odd	4	1		13.4.e.a	✓	2
13.d	odd	4	1		169.4.e.b		2
13.e	even	6	1		169.4.a.h		2
13.e	even	6	1	inner	169.4.c.i		4
13.f	odd	12	1		13.4.e.a	✓	2
13.f	odd	12	2		169.4.b.b		2
13.f	odd	12	1		169.4.e.b		2
39.f	even	4	1		117.4.q.c		2
39.h	odd	6	1		1521.4.a.q		2
39.i	odd	6	1		1521.4.a.q		2
39.k	even	12	1		117.4.q.c		2
52.f	even	4	1		208.4.w.a		2
52.l	even	12	1		208.4.w.a		2

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
13.4.e.a	✓	2	13.d	odd	4	1
13.4.e.a	✓	2	13.f	odd	12	1
117.4.q.c		2	39.f	even	4	1
117.4.q.c		2	39.k	even	12	1
169.4.a.h		2	13.c	even	3	1
169.4.a.h		2	13.e	even	6	1
169.4.b.b		2	13.f	odd	12	2
169.4.c.i		4	1.a	even	1	1	trivial
169.4.c.i		4	13.b	even	2	1	inner
169.4.c.i		4	13.c	even	3	1	inner
169.4.c.i		4	13.e	even	6	1	inner
169.4.e.b		2	13.d	odd	4	1
169.4.e.b		2	13.f	odd	12	1
208.4.w.a		2	52.f	even	4	1
208.4.w.a		2	52.l	even	12	1
1521.4.a.q		2	39.h	odd	6	1
1521.4.a.q		2	39.i	odd	6	1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator $ T_{2}^{4} + 12T_{2}^{2} + 144 $ T2^4 + 12*T2^2 + 144 acting on $S_{4}^{\mathrm{new}}(169, [\chi])$.

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T^{4} + 12T^{2} + 144 $ T^4 + 12*T^2 + 144
$3$	$ (T^{2} - 7 T + 49)^{2} $ (T^2 - 7*T + 49)^2
$5$	$ (T^{2} - 192)^{2} $ (T^2 - 192)^2
$7$	$ T^{4} + 507 T^{2} + 257049 $ T^4 + 507*T^2 + 257049
$11$	$ T^{4} + 507 T^{2} + 257049 $ T^4 + 507*T^2 + 257049
$13$	$ T^{4} $ T^4
$17$	$ (T^{2} - 27 T + 729)^{2} $ (T^2 - 27*T + 729)^2
$19$	$ T^{4} + 7803 T^{2} + 60886809 $ T^4 + 7803*T^2 + 60886809
$23$	$ (T^{2} - 57 T + 3249)^{2} $ (T^2 - 57*T + 3249)^2
$29$	$ (T^{2} - 69 T + 4761)^{2} $ (T^2 - 69*T + 4761)^2
$31$	$ (T^{2} - 5292)^{2} $ (T^2 - 5292)^2
$37$	$ T^{4} + 1587 T^{2} + 2518569 $ T^4 + 1587*T^2 + 2518569
$41$	$ T^{4} + \cdots + 23897140569 $ T^4 + 154587*T^2 + 23897140569
$43$	$ (T^{2} + 85 T + 7225)^{2} $ (T^2 + 85*T + 7225)^2
$47$	$ (T^{2} - 117612)^{2} $ (T^2 - 117612)^2
$53$	$ (T - 426)^{4} $ (T - 426)^4
$59$	$ T^{4} + 363 T^{2} + 131769 $ T^4 + 363*T^2 + 131769
$61$	$ (T^{2} - 17 T + 289)^{2} $ (T^2 - 17*T + 289)^2
$67$	$ T^{4} + 27075 T^{2} + 733055625 $ T^4 + 27075*T^2 + 733055625
$71$	$ T^{4} + \cdots + 116081259849 $ T^4 + 340707*T^2 + 116081259849
$73$	$ (T^{2} - 1009200)^{2} $ (T^2 - 1009200)^2
$79$	$ (T + 1244)^{4} $ (T + 1244)^4
$83$	$ (T^{2} - 181548)^{2} $ (T^2 - 181548)^2
$89$	$ T^{4} + \cdots + 8833556169 $ T^4 + 93987*T^2 + 8833556169
$97$	$ T^{4} + \cdots + 2325951361449 $ T^4 + 1525107*T^2 + 2325951361449
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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:	\( N \)	\(=\)	\( 169 = 13^{2} \)
Weight:	\( k \)	\(=\)	\( 4 \)
Character orbit:	\([\chi]\)	\(=\)	169.c (of order \(3\), degree \(2\), not minimal)

\(f(q)\)	\(=\)	\( q - 2 \beta_{2} q^{2} + 7 \beta_1 q^{3} + (4 \beta_1 - 4) q^{4} + 8 \beta_{3} q^{5} + (14 \beta_{3} - 14 \beta_{2}) q^{6} + (13 \beta_{3} - 13 \beta_{2}) q^{7} - 8 \beta_{3} q^{8} + (22 \beta_1 - 22) q^{9}+ \cdots - 286 \beta_{3} q^{99}+O(q^{100}) \) q - 2b2 q^2 + 7b1 q^3 + (4b1 - 4) q^4 + 8b3 q^5 + (14b3 - 14b2) * q^6 + (13b3 - 13b2) * q^7 - 8b3 q^8 + (22b1 - 22) q^9 - 48b1 q^10 + 13b2 q^11 - 28 * q^12 - 78 * q^14 + 56b2 q^15 + 80b1 q^16 + (-27b1 + 27) q^17 + 44b3 q^18 + (51b3 - 51b2) * q^19 + (-32b3 + 32b2) * q^20 + 91b3 q^21 + (-78b1 + 78) q^22 + 57b1 q^23 - 56b2 q^24 + 67 * q^25 + 35 * q^27 + 52b2 q^28 + 69b1 q^29 + (-336b1 + 336) q^30 - 42b3 q^31 + (96b3 - 96b2) * q^32 + (-91b3 + 91b2) * q^33 - 54b3 q^34 + (-312b1 + 312) q^35 - 88b1 q^36 + 23b2 q^37 - 306 * q^38 - 192 * q^40 - 227b2 q^41 - 546b1 q^42 + (85b1 - 85) q^43 - 52b3 q^44 + (-176b3 + 176b2) * q^45 + (114b3 - 114b2) * q^46 + 198b3 q^47 + (560b1 - 560) q^48 - 164b1 q^49 - 134b2 q^50 + 189 * q^51 + 426 * q^53 - 70b2 q^54 + 312b1 q^55 + (312b1 - 312) q^56 + 357b3 q^57 + (138b3 - 138b2) * q^58 + (-11b3 + 11b2) * q^59 - 224b3 q^60 + (-17b1 + 17) q^61 + 252b1 q^62 + 286b2 q^63 + 64 * q^64 + 546 * q^66 + 95b2 q^67 + 108b1 q^68 + (399b1 - 399) q^69 - 624b3 q^70 + (-337b3 + 337b2) * q^71 + (176b3 - 176b2) * q^72 - 580b3 q^73 + (-138b1 + 138) q^74 + 469b1 q^75 + 204b2 q^76 + 507 * q^77 - 1244 * q^79 + 640b2 q^80 + 839b1 q^81 + (1362b1 - 1362) q^82 - 246b3 q^83 + (-364b3 + 364b2) * q^84 + (216b3 - 216b2) * q^85 + 170b3 q^86 + (483b1 - 483) q^87 - 312b1 q^88 - 177b2 q^89 + 1056 * q^90 - 228 * q^92 - 294b2 q^93 - 1188b1 q^94 + (-1224b1 + 1224) q^95 + 672b3 q^96 + (-713b3 + 713b2) * q^97 + (-328b3 + 328b2) * q^98 - 286b3 q^99
\(\operatorname{Tr}(f)(q)\)	\(=\)	\( 4 q + 14 q^{3} - 8 q^{4} - 44 q^{9} - 96 q^{10} - 112 q^{12} - 312 q^{14} + 160 q^{16} + 54 q^{17} + 156 q^{22} + 114 q^{23} + 268 q^{25} + 140 q^{27} + 138 q^{29} + 672 q^{30} + 624 q^{35} - 176 q^{36}+ \cdots + 2448 q^{95}+O(q^{100}) \) 4 * q + 14 * q^3 - 8 * q^4 - 44 * q^9 - 96 * q^10 - 112 * q^12 - 312 * q^14 + 160 * q^16 + 54 * q^17 + 156 * q^22 + 114 * q^23 + 268 * q^25 + 140 * q^27 + 138 * q^29 + 672 * q^30 + 624 * q^35 - 176 * q^36 - 1224 * q^38 - 768 * q^40 - 1092 * q^42 - 170 * q^43 - 1120 * q^48 - 328 * q^49 + 756 * q^51 + 1704 * q^53 + 624 * q^55 - 624 * q^56 + 34 * q^61 + 504 * q^62 + 256 * q^64 + 2184 * q^66 + 216 * q^68 - 798 * q^69 + 276 * q^74 + 938 * q^75 + 2028 * q^77 - 4976 * q^79 + 1678 * q^81 - 2724 * q^82 - 966 * q^87 - 624 * q^88 + 4224 * q^90 - 912 * q^92 - 2376 * q^94 + 2448 * q^95

Introduction

L-functions

Modular forms

Varieties

Fields

Representations

Groups

Database

Properties

Related objects

Downloads

Learn more

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	169.4.c.i

Level	$169$
Weight	$4$
Character orbit	169.c
Analytic conductor	$9.971$
Analytic rank	$0$
Dimension	$4$
Inner twists	$4$

Self dual:	no
Analytic conductor:	\(9.97132279097\)
Analytic rank:	\(0\)
Dimension:	\(4\)
Relative dimension:	\(2\) over \(\Q(\zeta_{3})\)
Coefficient field:	\(\Q(\zeta_{12})\)
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	\( x^{4} - x^{2} + 1 \) x^4 - x^2 + 1
Coefficient ring:	\(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index:	\( 3 \)
Twist minimal:	no (minimal twist has level 13)
Sato-Tate group:	$\mathrm{SU}(2)[C_{3}]$

\(\beta_{1}\)	\(=\)	\( \zeta_{12}^{2} \) v^2
\(\beta_{2}\)	\(=\)	\( \zeta_{12}^{3} + \zeta_{12} \) v^3 + v
\(\beta_{3}\)	\(=\)	\( -\zeta_{12}^{3} + 2\zeta_{12} \) -v^3 + 2*v

\(\zeta_{12}\)	\(=\)	\( ( \beta_{3} + \beta_{2} ) / 3 \) (b3 + b2) / 3
\(\zeta_{12}^{2}\)	\(=\)	\( \beta_1 \) b1
\(\zeta_{12}^{3}\)	\(=\)	\( ( -\beta_{3} + 2\beta_{2} ) / 3 \) (-b3 + 2*b2) / 3

$p$	$F_p(T)$
$2$	\( T^{4} + 12T^{2} + 144 \) T^4 + 12*T^2 + 144
$3$	\( (T^{2} - 7 T + 49)^{2} \) (T^2 - 7*T + 49)^2
$5$	\( (T^{2} - 192)^{2} \) (T^2 - 192)^2
$7$	\( T^{4} + 507 T^{2} + 257049 \) T^4 + 507*T^2 + 257049
$11$	\( T^{4} + 507 T^{2} + 257049 \) T^4 + 507*T^2 + 257049
$13$	\( T^{4} \) T^4
$17$	\( (T^{2} - 27 T + 729)^{2} \) (T^2 - 27*T + 729)^2
$19$	\( T^{4} + 7803 T^{2} + 60886809 \) T^4 + 7803*T^2 + 60886809
$23$	\( (T^{2} - 57 T + 3249)^{2} \) (T^2 - 57*T + 3249)^2
$29$	\( (T^{2} - 69 T + 4761)^{2} \) (T^2 - 69*T + 4761)^2
$31$	\( (T^{2} - 5292)^{2} \) (T^2 - 5292)^2
$37$	\( T^{4} + 1587 T^{2} + 2518569 \) T^4 + 1587*T^2 + 2518569
$41$	\( T^{4} + \cdots + 23897140569 \) T^4 + 154587*T^2 + 23897140569
$43$	\( (T^{2} + 85 T + 7225)^{2} \) (T^2 + 85*T + 7225)^2
$47$	\( (T^{2} - 117612)^{2} \) (T^2 - 117612)^2
$53$	\( (T - 426)^{4} \) (T - 426)^4
$59$	\( T^{4} + 363 T^{2} + 131769 \) T^4 + 363*T^2 + 131769
$61$	\( (T^{2} - 17 T + 289)^{2} \) (T^2 - 17*T + 289)^2
$67$	\( T^{4} + 27075 T^{2} + 733055625 \) T^4 + 27075*T^2 + 733055625
$71$	\( T^{4} + \cdots + 116081259849 \) T^4 + 340707*T^2 + 116081259849
$73$	\( (T^{2} - 1009200)^{2} \) (T^2 - 1009200)^2
$79$	\( (T + 1244)^{4} \) (T + 1244)^4
$83$	\( (T^{2} - 181548)^{2} \) (T^2 - 181548)^2
$89$	\( T^{4} + \cdots + 8833556169 \) T^4 + 93987*T^2 + 8833556169
$97$	\( T^{4} + \cdots + 2325951361449 \) T^4 + 1525107*T^2 + 2325951361449
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\(n\)	\(2\)
\(\chi(n)\)	\(-1 + \beta_{1}\)

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