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Properties

Label 169.4.e.c
Level $169$
Weight $4$
Character orbit 169.e
Analytic conductor $9.971$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [169,4,Mod(23,169)]
 
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([5]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("169.23");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 169 = 13^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 169.e (of order \(6\), 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 \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{9}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 13)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 primitive root of unity \(\zeta_{12}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 4 \zeta_{12} q^{2} + (2 \zeta_{12}^{2} - 2) q^{3} + 8 \zeta_{12}^{2} q^{4} - 17 \zeta_{12}^{3} q^{5} + (8 \zeta_{12}^{3} - 8 \zeta_{12}) q^{6} + ( - 20 \zeta_{12}^{3} + 20 \zeta_{12}) q^{7} + 23 \zeta_{12}^{2} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + 4 \zeta_{12} q^{2} + (2 \zeta_{12}^{2} - 2) q^{3} + 8 \zeta_{12}^{2} q^{4} - 17 \zeta_{12}^{3} q^{5} + (8 \zeta_{12}^{3} - 8 \zeta_{12}) q^{6} + ( - 20 \zeta_{12}^{3} + 20 \zeta_{12}) q^{7} + 23 \zeta_{12}^{2} q^{9} + ( - 68 \zeta_{12}^{2} + 68) q^{10} + 32 \zeta_{12} q^{11} - 16 q^{12} + 80 q^{14} + 34 \zeta_{12} q^{15} + ( - 64 \zeta_{12}^{2} + 64) q^{16} - 13 \zeta_{12}^{2} q^{17} + 92 \zeta_{12}^{3} q^{18} + (30 \zeta_{12}^{3} - 30 \zeta_{12}) q^{19} + ( - 136 \zeta_{12}^{3} + 136 \zeta_{12}) q^{20} + 40 \zeta_{12}^{3} q^{21} + 128 \zeta_{12}^{2} q^{22} + ( - 78 \zeta_{12}^{2} + 78) q^{23} - 164 q^{25} - 100 q^{27} + 160 \zeta_{12} q^{28} + (197 \zeta_{12}^{2} - 197) q^{29} + 136 \zeta_{12}^{2} q^{30} + 74 \zeta_{12}^{3} q^{31} + ( - 256 \zeta_{12}^{3} + 256 \zeta_{12}) q^{32} + (64 \zeta_{12}^{3} - 64 \zeta_{12}) q^{33} - 52 \zeta_{12}^{3} q^{34} - 340 \zeta_{12}^{2} q^{35} + (184 \zeta_{12}^{2} - 184) q^{36} + 227 \zeta_{12} q^{37} - 120 q^{38} - 165 \zeta_{12} q^{41} + (160 \zeta_{12}^{2} - 160) q^{42} - 156 \zeta_{12}^{2} q^{43} + 256 \zeta_{12}^{3} q^{44} + ( - 391 \zeta_{12}^{3} + 391 \zeta_{12}) q^{45} + ( - 312 \zeta_{12}^{3} + 312 \zeta_{12}) q^{46} - 162 \zeta_{12}^{3} q^{47} + 128 \zeta_{12}^{2} q^{48} + ( - 57 \zeta_{12}^{2} + 57) q^{49} - 656 \zeta_{12} q^{50} + 26 q^{51} + 93 q^{53} - 400 \zeta_{12} q^{54} + ( - 544 \zeta_{12}^{2} + 544) q^{55} - 60 \zeta_{12}^{3} q^{57} + (788 \zeta_{12}^{3} - 788 \zeta_{12}) q^{58} + (864 \zeta_{12}^{3} - 864 \zeta_{12}) q^{59} + 272 \zeta_{12}^{3} q^{60} - 145 \zeta_{12}^{2} q^{61} + (296 \zeta_{12}^{2} - 296) q^{62} + 460 \zeta_{12} q^{63} + 512 q^{64} - 256 q^{66} + 862 \zeta_{12} q^{67} + ( - 104 \zeta_{12}^{2} + 104) q^{68} + 156 \zeta_{12}^{2} q^{69} - 1360 \zeta_{12}^{3} q^{70} + (654 \zeta_{12}^{3} - 654 \zeta_{12}) q^{71} + 215 \zeta_{12}^{3} q^{73} + 908 \zeta_{12}^{2} q^{74} + ( - 328 \zeta_{12}^{2} + 328) q^{75} - 240 \zeta_{12} q^{76} + 640 q^{77} - 76 q^{79} - 1088 \zeta_{12} q^{80} + (421 \zeta_{12}^{2} - 421) q^{81} - 660 \zeta_{12}^{2} q^{82} - 628 \zeta_{12}^{3} q^{83} + (320 \zeta_{12}^{3} - 320 \zeta_{12}) q^{84} + (221 \zeta_{12}^{3} - 221 \zeta_{12}) q^{85} - 624 \zeta_{12}^{3} q^{86} - 394 \zeta_{12}^{2} q^{87} + 266 \zeta_{12} q^{89} + 1564 q^{90} + 624 q^{92} - 148 \zeta_{12} q^{93} + ( - 648 \zeta_{12}^{2} + 648) q^{94} + 510 \zeta_{12}^{2} q^{95} + 512 \zeta_{12}^{3} q^{96} + (238 \zeta_{12}^{3} - 238 \zeta_{12}) q^{97} + ( - 228 \zeta_{12}^{3} + 228 \zeta_{12}) q^{98} + 736 \zeta_{12}^{3} q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 4 q^{3} + 16 q^{4} + 46 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 4 q^{3} + 16 q^{4} + 46 q^{9} + 136 q^{10} - 64 q^{12} + 320 q^{14} + 128 q^{16} - 26 q^{17} + 256 q^{22} + 156 q^{23} - 656 q^{25} - 400 q^{27} - 394 q^{29} + 272 q^{30} - 680 q^{35} - 368 q^{36} - 480 q^{38} - 320 q^{42} - 312 q^{43} + 256 q^{48} + 114 q^{49} + 104 q^{51} + 372 q^{53} + 1088 q^{55} - 290 q^{61} - 592 q^{62} + 2048 q^{64} - 1024 q^{66} + 208 q^{68} + 312 q^{69} + 1816 q^{74} + 656 q^{75} + 2560 q^{77} - 304 q^{79} - 842 q^{81} - 1320 q^{82} - 788 q^{87} + 6256 q^{90} + 2496 q^{92} + 1296 q^{94} + 1020 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Character values

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

\(n\) \(2\)
\(\chi(n)\) \(\zeta_{12}^{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
23.1
−0.866025 + 0.500000i
0.866025 − 0.500000i
−0.866025 − 0.500000i
0.866025 + 0.500000i
−3.46410 + 2.00000i −1.00000 − 1.73205i 4.00000 − 6.92820i − 17.0000i 6.92820 + 4.00000i −17.3205 − 10.0000i 0 11.5000 − 19.9186i 34.0000 + 58.8897i
23.2 3.46410 − 2.00000i −1.00000 − 1.73205i 4.00000 − 6.92820i 17.0000i −6.92820 − 4.00000i 17.3205 + 10.0000i 0 11.5000 − 19.9186i 34.0000 + 58.8897i
147.1 −3.46410 − 2.00000i −1.00000 + 1.73205i 4.00000 + 6.92820i 17.0000i 6.92820 − 4.00000i −17.3205 + 10.0000i 0 11.5000 + 19.9186i 34.0000 − 58.8897i
147.2 3.46410 + 2.00000i −1.00000 + 1.73205i 4.00000 + 6.92820i − 17.0000i −6.92820 + 4.00000i 17.3205 − 10.0000i 0 11.5000 + 19.9186i 34.0000 − 58.8897i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

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

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - 16T_{2}^{2} + 256 \) acting on \(S_{4}^{\mathrm{new}}(169, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - 16T^{2} + 256 \) Copy content Toggle raw display
$3$ \( (T^{2} + 2 T + 4)^{2} \) Copy content Toggle raw display
$5$ \( (T^{2} + 289)^{2} \) Copy content Toggle raw display
$7$ \( T^{4} - 400 T^{2} + 160000 \) Copy content Toggle raw display
$11$ \( T^{4} - 1024 T^{2} + 1048576 \) Copy content Toggle raw display
$13$ \( T^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} + 13 T + 169)^{2} \) Copy content Toggle raw display
$19$ \( T^{4} - 900 T^{2} + 810000 \) Copy content Toggle raw display
$23$ \( (T^{2} - 78 T + 6084)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 197 T + 38809)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 5476)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 2655237841 \) Copy content Toggle raw display
$41$ \( T^{4} - 27225 T^{2} + 741200625 \) Copy content Toggle raw display
$43$ \( (T^{2} + 156 T + 24336)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} + 26244)^{2} \) Copy content Toggle raw display
$53$ \( (T - 93)^{4} \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots + 557256278016 \) Copy content Toggle raw display
$61$ \( (T^{2} + 145 T + 21025)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 552114385936 \) Copy content Toggle raw display
$71$ \( T^{4} + \cdots + 182940976656 \) Copy content Toggle raw display
$73$ \( (T^{2} + 46225)^{2} \) Copy content Toggle raw display
$79$ \( (T + 76)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} + 394384)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} + \cdots + 5006411536 \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 3208542736 \) Copy content Toggle raw display
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