Properties

Label 121.2.c.e
Level $121$
Weight $2$
Character orbit 121.c
Analytic conductor $0.966$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [121,2,Mod(3,121)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(121, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([8]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("121.3");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 121 = 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 121.c (of order \(5\), degree \(4\), 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: \(0.966189864457\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{10})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 11)
Sato-Tate group: $\mathrm{SU}(2)[C_{5}]$

$q$-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 \(\zeta_{10}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - 2 \zeta_{10}^{3} + 2 \zeta_{10}^{2} - 2 \zeta_{10} + 2) q^{2} - \zeta_{10}^{2} q^{3} - 2 \zeta_{10}^{3} q^{4} - \zeta_{10} q^{5} - 2 \zeta_{10} q^{6} + 2 \zeta_{10}^{3} q^{7} + ( - 2 \zeta_{10}^{3} + 2 \zeta_{10}^{2} - 2 \zeta_{10} + 2) q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + ( - 2 \zeta_{10}^{3} + 2 \zeta_{10}^{2} - 2 \zeta_{10} + 2) q^{2} - \zeta_{10}^{2} q^{3} - 2 \zeta_{10}^{3} q^{4} - \zeta_{10} q^{5} - 2 \zeta_{10} q^{6} + 2 \zeta_{10}^{3} q^{7} + ( - 2 \zeta_{10}^{3} + 2 \zeta_{10}^{2} - 2 \zeta_{10} + 2) q^{9} - 2 q^{10} - 2 q^{12} + (4 \zeta_{10}^{3} - 4 \zeta_{10}^{2} + 4 \zeta_{10} - 4) q^{13} + 4 \zeta_{10}^{2} q^{14} + \zeta_{10}^{3} q^{15} + 4 \zeta_{10} q^{16} + 2 \zeta_{10} q^{17} - 4 \zeta_{10}^{3} q^{18} + (2 \zeta_{10}^{3} - 2 \zeta_{10}^{2} + 2 \zeta_{10} - 2) q^{20} + 2 q^{21} - q^{23} - 4 \zeta_{10}^{2} q^{25} + 8 \zeta_{10}^{3} q^{26} - 5 \zeta_{10} q^{27} + 4 \zeta_{10} q^{28} + 2 \zeta_{10}^{2} q^{30} + (7 \zeta_{10}^{3} - 7 \zeta_{10}^{2} + 7 \zeta_{10} - 7) q^{31} + 8 q^{32} + 4 q^{34} + ( - 2 \zeta_{10}^{3} + 2 \zeta_{10}^{2} - 2 \zeta_{10} + 2) q^{35} - 4 \zeta_{10}^{2} q^{36} - 3 \zeta_{10}^{3} q^{37} + 4 \zeta_{10} q^{39} - 8 \zeta_{10}^{2} q^{41} + ( - 4 \zeta_{10}^{3} + 4 \zeta_{10}^{2} - 4 \zeta_{10} + 4) q^{42} - 6 q^{43} - 2 q^{45} + (2 \zeta_{10}^{3} - 2 \zeta_{10}^{2} + 2 \zeta_{10} - 2) q^{46} + 8 \zeta_{10}^{2} q^{47} - 4 \zeta_{10}^{3} q^{48} + 3 \zeta_{10} q^{49} - 8 \zeta_{10} q^{50} - 2 \zeta_{10}^{3} q^{51} + 8 \zeta_{10}^{2} q^{52} + ( - 6 \zeta_{10}^{3} + 6 \zeta_{10}^{2} - 6 \zeta_{10} + 6) q^{53} - 10 q^{54} - 5 \zeta_{10}^{3} q^{59} + 2 \zeta_{10} q^{60} - 12 \zeta_{10} q^{61} + 14 \zeta_{10}^{3} q^{62} + 4 \zeta_{10}^{2} q^{63} + ( - 8 \zeta_{10}^{3} + 8 \zeta_{10}^{2} - 8 \zeta_{10} + 8) q^{64} + 4 q^{65} - 7 q^{67} + ( - 4 \zeta_{10}^{3} + 4 \zeta_{10}^{2} - 4 \zeta_{10} + 4) q^{68} + \zeta_{10}^{2} q^{69} - 4 \zeta_{10}^{3} q^{70} + 3 \zeta_{10} q^{71} - 4 \zeta_{10}^{3} q^{73} - 6 \zeta_{10}^{2} q^{74} + (4 \zeta_{10}^{3} - 4 \zeta_{10}^{2} + 4 \zeta_{10} - 4) q^{75} + 8 q^{78} + ( - 10 \zeta_{10}^{3} + 10 \zeta_{10}^{2} - 10 \zeta_{10} + 10) q^{79} - 4 \zeta_{10}^{2} q^{80} - \zeta_{10}^{3} q^{81} - 16 \zeta_{10} q^{82} + 6 \zeta_{10} q^{83} - 4 \zeta_{10}^{3} q^{84} - 2 \zeta_{10}^{2} q^{85} + (12 \zeta_{10}^{3} - 12 \zeta_{10}^{2} + 12 \zeta_{10} - 12) q^{86} + 15 q^{89} + (4 \zeta_{10}^{3} - 4 \zeta_{10}^{2} + 4 \zeta_{10} - 4) q^{90} - 8 \zeta_{10}^{2} q^{91} + 2 \zeta_{10}^{3} q^{92} + 7 \zeta_{10} q^{93} + 16 \zeta_{10} q^{94} - 8 \zeta_{10}^{2} q^{96} + ( - 7 \zeta_{10}^{3} + 7 \zeta_{10}^{2} - 7 \zeta_{10} + 7) q^{97} + 6 q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 2 q^{2} + q^{3} - 2 q^{4} - q^{5} - 2 q^{6} + 2 q^{7} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 2 q^{2} + q^{3} - 2 q^{4} - q^{5} - 2 q^{6} + 2 q^{7} + 2 q^{9} - 8 q^{10} - 8 q^{12} - 4 q^{13} - 4 q^{14} + q^{15} + 4 q^{16} + 2 q^{17} - 4 q^{18} - 2 q^{20} + 8 q^{21} - 4 q^{23} + 4 q^{25} + 8 q^{26} - 5 q^{27} + 4 q^{28} - 2 q^{30} - 7 q^{31} + 32 q^{32} + 16 q^{34} + 2 q^{35} + 4 q^{36} - 3 q^{37} + 4 q^{39} + 8 q^{41} + 4 q^{42} - 24 q^{43} - 8 q^{45} - 2 q^{46} - 8 q^{47} - 4 q^{48} + 3 q^{49} - 8 q^{50} - 2 q^{51} - 8 q^{52} + 6 q^{53} - 40 q^{54} - 5 q^{59} + 2 q^{60} - 12 q^{61} + 14 q^{62} - 4 q^{63} + 8 q^{64} + 16 q^{65} - 28 q^{67} + 4 q^{68} - q^{69} - 4 q^{70} + 3 q^{71} - 4 q^{73} + 6 q^{74} - 4 q^{75} + 32 q^{78} + 10 q^{79} + 4 q^{80} - q^{81} - 16 q^{82} + 6 q^{83} - 4 q^{84} + 2 q^{85} - 12 q^{86} + 60 q^{89} - 4 q^{90} + 8 q^{91} + 2 q^{92} + 7 q^{93} + 16 q^{94} + 8 q^{96} + 7 q^{97} + 24 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/121\mathbb{Z}\right)^\times\).

\(n\) \(2\)
\(\chi(n)\) \(-\zeta_{10}^{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
3.1
0.809017 + 0.587785i
−0.309017 0.951057i
−0.309017 + 0.951057i
0.809017 0.587785i
1.61803 1.17557i −0.309017 0.951057i 0.618034 1.90211i −0.809017 0.587785i −1.61803 1.17557i −0.618034 + 1.90211i 0 1.61803 1.17557i −2.00000
9.1 −0.618034 + 1.90211i 0.809017 0.587785i −1.61803 1.17557i 0.309017 + 0.951057i 0.618034 + 1.90211i 1.61803 + 1.17557i 0 −0.618034 + 1.90211i −2.00000
27.1 −0.618034 1.90211i 0.809017 + 0.587785i −1.61803 + 1.17557i 0.309017 0.951057i 0.618034 1.90211i 1.61803 1.17557i 0 −0.618034 1.90211i −2.00000
81.1 1.61803 + 1.17557i −0.309017 + 0.951057i 0.618034 + 1.90211i −0.809017 + 0.587785i −1.61803 + 1.17557i −0.618034 1.90211i 0 1.61803 + 1.17557i −2.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
11.c even 5 3 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 121.2.c.e 4
11.b odd 2 1 121.2.c.a 4
11.c even 5 1 11.2.a.a 1
11.c even 5 3 inner 121.2.c.e 4
11.d odd 10 1 121.2.a.d 1
11.d odd 10 3 121.2.c.a 4
33.f even 10 1 1089.2.a.b 1
33.h odd 10 1 99.2.a.d 1
44.g even 10 1 1936.2.a.i 1
44.h odd 10 1 176.2.a.b 1
55.h odd 10 1 3025.2.a.a 1
55.j even 10 1 275.2.a.b 1
55.k odd 20 2 275.2.b.a 2
77.j odd 10 1 539.2.a.a 1
77.l even 10 1 5929.2.a.h 1
77.m even 15 2 539.2.e.h 2
77.p odd 30 2 539.2.e.g 2
88.k even 10 1 7744.2.a.k 1
88.l odd 10 1 704.2.a.c 1
88.o even 10 1 704.2.a.h 1
88.p odd 10 1 7744.2.a.x 1
99.m even 15 2 891.2.e.k 2
99.n odd 30 2 891.2.e.b 2
132.o even 10 1 1584.2.a.g 1
143.n even 10 1 1859.2.a.b 1
165.o odd 10 1 2475.2.a.a 1
165.v even 20 2 2475.2.c.a 2
176.v odd 20 2 2816.2.c.f 2
176.w even 20 2 2816.2.c.j 2
187.j even 10 1 3179.2.a.a 1
209.m odd 10 1 3971.2.a.b 1
220.n odd 10 1 4400.2.a.i 1
220.v even 20 2 4400.2.b.h 2
231.u even 10 1 4851.2.a.t 1
253.f odd 10 1 5819.2.a.a 1
264.t odd 10 1 6336.2.a.br 1
264.w even 10 1 6336.2.a.bu 1
308.t even 10 1 8624.2.a.j 1
319.k even 10 1 9251.2.a.d 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
11.2.a.a 1 11.c even 5 1
99.2.a.d 1 33.h odd 10 1
121.2.a.d 1 11.d odd 10 1
121.2.c.a 4 11.b odd 2 1
121.2.c.a 4 11.d odd 10 3
121.2.c.e 4 1.a even 1 1 trivial
121.2.c.e 4 11.c even 5 3 inner
176.2.a.b 1 44.h odd 10 1
275.2.a.b 1 55.j even 10 1
275.2.b.a 2 55.k odd 20 2
539.2.a.a 1 77.j odd 10 1
539.2.e.g 2 77.p odd 30 2
539.2.e.h 2 77.m even 15 2
704.2.a.c 1 88.l odd 10 1
704.2.a.h 1 88.o even 10 1
891.2.e.b 2 99.n odd 30 2
891.2.e.k 2 99.m even 15 2
1089.2.a.b 1 33.f even 10 1
1584.2.a.g 1 132.o even 10 1
1859.2.a.b 1 143.n even 10 1
1936.2.a.i 1 44.g even 10 1
2475.2.a.a 1 165.o odd 10 1
2475.2.c.a 2 165.v even 20 2
2816.2.c.f 2 176.v odd 20 2
2816.2.c.j 2 176.w even 20 2
3025.2.a.a 1 55.h odd 10 1
3179.2.a.a 1 187.j even 10 1
3971.2.a.b 1 209.m odd 10 1
4400.2.a.i 1 220.n odd 10 1
4400.2.b.h 2 220.v even 20 2
4851.2.a.t 1 231.u even 10 1
5819.2.a.a 1 253.f odd 10 1
5929.2.a.h 1 77.l even 10 1
6336.2.a.br 1 264.t odd 10 1
6336.2.a.bu 1 264.w even 10 1
7744.2.a.k 1 88.k even 10 1
7744.2.a.x 1 88.p odd 10 1
8624.2.a.j 1 308.t even 10 1
9251.2.a.d 1 319.k even 10 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - 2T_{2}^{3} + 4T_{2}^{2} - 8T_{2} + 16 \) acting on \(S_{2}^{\mathrm{new}}(121, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - 2 T^{3} + 4 T^{2} - 8 T + 16 \) Copy content Toggle raw display
$3$ \( T^{4} - T^{3} + T^{2} - T + 1 \) Copy content Toggle raw display
$5$ \( T^{4} + T^{3} + T^{2} + T + 1 \) Copy content Toggle raw display
$7$ \( T^{4} - 2 T^{3} + 4 T^{2} - 8 T + 16 \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( T^{4} + 4 T^{3} + 16 T^{2} + 64 T + 256 \) Copy content Toggle raw display
$17$ \( T^{4} - 2 T^{3} + 4 T^{2} - 8 T + 16 \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( (T + 1)^{4} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( T^{4} + 7 T^{3} + 49 T^{2} + \cdots + 2401 \) Copy content Toggle raw display
$37$ \( T^{4} + 3 T^{3} + 9 T^{2} + 27 T + 81 \) Copy content Toggle raw display
$41$ \( T^{4} - 8 T^{3} + 64 T^{2} + \cdots + 4096 \) Copy content Toggle raw display
$43$ \( (T + 6)^{4} \) Copy content Toggle raw display
$47$ \( T^{4} + 8 T^{3} + 64 T^{2} + \cdots + 4096 \) Copy content Toggle raw display
$53$ \( T^{4} - 6 T^{3} + 36 T^{2} + \cdots + 1296 \) Copy content Toggle raw display
$59$ \( T^{4} + 5 T^{3} + 25 T^{2} + 125 T + 625 \) Copy content Toggle raw display
$61$ \( T^{4} + 12 T^{3} + 144 T^{2} + \cdots + 20736 \) Copy content Toggle raw display
$67$ \( (T + 7)^{4} \) Copy content Toggle raw display
$71$ \( T^{4} - 3 T^{3} + 9 T^{2} - 27 T + 81 \) Copy content Toggle raw display
$73$ \( T^{4} + 4 T^{3} + 16 T^{2} + 64 T + 256 \) Copy content Toggle raw display
$79$ \( T^{4} - 10 T^{3} + 100 T^{2} + \cdots + 10000 \) Copy content Toggle raw display
$83$ \( T^{4} - 6 T^{3} + 36 T^{2} + \cdots + 1296 \) Copy content Toggle raw display
$89$ \( (T - 15)^{4} \) Copy content Toggle raw display
$97$ \( T^{4} - 7 T^{3} + 49 T^{2} + \cdots + 2401 \) Copy content Toggle raw display
show more
show less