Properties

Label 22.4.c.a
Level $22$
Weight $4$
Character orbit 22.c
Analytic conductor $1.298$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [22,4,Mod(3,22)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(22, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([8]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("22.3");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 22 = 2 \cdot 11 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 22.c (of order \(5\), degree \(4\), 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: \(1.29804202013\)
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: yes
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.

\(f(q)\) \(=\) \( q - 2 \zeta_{10} q^{2} + (8 \zeta_{10}^{3} + 3 \zeta_{10} - 3) q^{3} + 4 \zeta_{10}^{2} q^{4} + ( - \zeta_{10}^{3} + 1) q^{5} + ( - 16 \zeta_{10}^{3} + 10 \zeta_{10}^{2} + \cdots + 16) q^{6} + \cdots + ( - 39 \zeta_{10}^{2} - 7 \zeta_{10} - 39) q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - 2 \zeta_{10} q^{2} + (8 \zeta_{10}^{3} + 3 \zeta_{10} - 3) q^{3} + 4 \zeta_{10}^{2} q^{4} + ( - \zeta_{10}^{3} + 1) q^{5} + ( - 16 \zeta_{10}^{3} + 10 \zeta_{10}^{2} + \cdots + 16) q^{6} + \cdots + (154 \zeta_{10}^{3} - 737 \zeta_{10}^{2} + \cdots - 1441) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 2 q^{2} - q^{3} - 4 q^{4} + 3 q^{5} + 28 q^{6} + 25 q^{7} - 8 q^{8} - 124 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 2 q^{2} - q^{3} - 4 q^{4} + 3 q^{5} + 28 q^{6} + 25 q^{7} - 8 q^{8} - 124 q^{9} - 4 q^{10} + 44 q^{11} - 104 q^{12} + 91 q^{13} + 50 q^{14} + 13 q^{15} - 16 q^{16} + 23 q^{17} + 142 q^{18} + 59 q^{19} + 12 q^{20} - 230 q^{21} - 22 q^{22} - 224 q^{23} + 112 q^{24} + 126 q^{25} - 108 q^{26} + 773 q^{27} - 120 q^{28} - 425 q^{29} + 26 q^{30} - 227 q^{31} + 128 q^{32} - 11 q^{33} - 724 q^{34} + 35 q^{35} + 284 q^{36} - 61 q^{37} + 28 q^{38} - 839 q^{39} - 16 q^{40} + 347 q^{41} + 510 q^{42} + 1160 q^{43} + 396 q^{44} - 248 q^{45} - 8 q^{46} + 251 q^{47} - 16 q^{48} + 48 q^{49} + 242 q^{50} - 247 q^{51} - 216 q^{52} - 245 q^{53} - 1144 q^{54} + 33 q^{55} + 80 q^{56} - 331 q^{57} - 850 q^{58} - 827 q^{59} - 108 q^{60} + 1335 q^{61} + 976 q^{62} + 370 q^{63} - 64 q^{64} + 182 q^{65} + 1408 q^{66} - 88 q^{67} + 92 q^{68} - 244 q^{69} - 10 q^{70} - 1665 q^{71} - 992 q^{72} - 153 q^{73} - 122 q^{74} - 1709 q^{75} - 584 q^{76} - 55 q^{77} + 1832 q^{78} + 677 q^{79} - 32 q^{80} + 1376 q^{81} - 596 q^{82} + 887 q^{83} - 560 q^{84} + 181 q^{85} - 240 q^{86} + 1670 q^{87} - 88 q^{88} + 1728 q^{89} + 354 q^{90} - 245 q^{91} + 464 q^{92} + 1033 q^{93} + 292 q^{94} + 73 q^{95} - 32 q^{96} + 2019 q^{97} - 1484 q^{98} - 5654 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/22\mathbb{Z}\right)^\times\).

\(n\) \(13\)
\(\chi(n)\) \(\zeta_{10}^{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
3.1
0.809017 0.587785i
−0.309017 0.951057i
−0.309017 + 0.951057i
0.809017 + 0.587785i
−1.61803 + 1.17557i −3.04508 9.37181i 1.23607 3.80423i 1.30902 + 0.951057i 15.9443 + 11.5842i 4.57295 14.0741i 2.47214 + 7.60845i −56.7148 + 41.2057i −3.23607
5.1 0.618034 + 1.90211i 2.54508 + 1.84911i −3.23607 + 2.35114i 0.190983 0.587785i −1.94427 + 5.98385i 7.92705 5.75934i −6.47214 4.70228i −5.28522 16.2662i 1.23607
9.1 0.618034 1.90211i 2.54508 1.84911i −3.23607 2.35114i 0.190983 + 0.587785i −1.94427 5.98385i 7.92705 + 5.75934i −6.47214 + 4.70228i −5.28522 + 16.2662i 1.23607
15.1 −1.61803 1.17557i −3.04508 + 9.37181i 1.23607 + 3.80423i 1.30902 0.951057i 15.9443 11.5842i 4.57295 + 14.0741i 2.47214 7.60845i −56.7148 41.2057i −3.23607
\(n\): 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 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 22.4.c.a 4
3.b odd 2 1 198.4.f.b 4
4.b odd 2 1 176.4.m.a 4
11.b odd 2 1 242.4.c.j 4
11.c even 5 1 inner 22.4.c.a 4
11.c even 5 1 242.4.a.k 2
11.c even 5 2 242.4.c.f 4
11.d odd 10 1 242.4.a.h 2
11.d odd 10 1 242.4.c.j 4
11.d odd 10 2 242.4.c.m 4
33.f even 10 1 2178.4.a.bi 2
33.h odd 10 1 198.4.f.b 4
33.h odd 10 1 2178.4.a.z 2
44.g even 10 1 1936.4.a.bc 2
44.h odd 10 1 176.4.m.a 4
44.h odd 10 1 1936.4.a.bb 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
22.4.c.a 4 1.a even 1 1 trivial
22.4.c.a 4 11.c even 5 1 inner
176.4.m.a 4 4.b odd 2 1
176.4.m.a 4 44.h odd 10 1
198.4.f.b 4 3.b odd 2 1
198.4.f.b 4 33.h odd 10 1
242.4.a.h 2 11.d odd 10 1
242.4.a.k 2 11.c even 5 1
242.4.c.f 4 11.c even 5 2
242.4.c.j 4 11.b odd 2 1
242.4.c.j 4 11.d odd 10 1
242.4.c.m 4 11.d odd 10 2
1936.4.a.bb 2 44.h odd 10 1
1936.4.a.bc 2 44.g even 10 1
2178.4.a.z 2 33.h odd 10 1
2178.4.a.bi 2 33.f even 10 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} + T_{3}^{3} + 76T_{3}^{2} - 434T_{3} + 961 \) acting on \(S_{4}^{\mathrm{new}}(22, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} + 2 T^{3} + \cdots + 16 \) Copy content Toggle raw display
$3$ \( T^{4} + T^{3} + \cdots + 961 \) Copy content Toggle raw display
$5$ \( T^{4} - 3 T^{3} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{4} - 25 T^{3} + \cdots + 21025 \) Copy content Toggle raw display
$11$ \( T^{4} - 44 T^{3} + \cdots + 1771561 \) Copy content Toggle raw display
$13$ \( T^{4} - 91 T^{3} + \cdots + 502681 \) Copy content Toggle raw display
$17$ \( T^{4} - 23 T^{3} + \cdots + 52983841 \) Copy content Toggle raw display
$19$ \( T^{4} - 59 T^{3} + \cdots + 1515361 \) Copy content Toggle raw display
$23$ \( (T^{2} + 112 T + 2416)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} + 425 T^{3} + \cdots + 951414025 \) Copy content Toggle raw display
$31$ \( T^{4} + 227 T^{3} + \cdots + 72777961 \) Copy content Toggle raw display
$37$ \( T^{4} + 61 T^{3} + \cdots + 117310561 \) Copy content Toggle raw display
$41$ \( T^{4} - 347 T^{3} + \cdots + 408080401 \) Copy content Toggle raw display
$43$ \( (T^{2} - 580 T + 78320)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 1509400201 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 1259895025 \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots + 11599505401 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots + 46442405025 \) Copy content Toggle raw display
$67$ \( (T^{2} + 44 T - 16336)^{2} \) Copy content Toggle raw display
$71$ \( T^{4} + \cdots + 5373623025 \) Copy content Toggle raw display
$73$ \( T^{4} + 153 T^{3} + \cdots + 6765201 \) Copy content Toggle raw display
$79$ \( T^{4} + \cdots + 6794540041 \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots + 36760776361 \) Copy content Toggle raw display
$89$ \( (T^{2} - 864 T - 917876)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 181211124721 \) Copy content Toggle raw display
show more
show less