Properties

Label 7.6.a.b
Level $7$
Weight $6$
Character orbit 7.a
Self dual yes
Analytic conductor $1.123$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [7,6,Mod(1,7)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("7.1");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 7 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 7.a (trivial)

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: yes
Analytic conductor: \(1.12268673869\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{57}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 14 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-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 \(\beta = \frac{1}{2}(1 + \sqrt{57})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta + 5) q^{2} + (6 \beta - 6) q^{3} + ( - 9 \beta + 7) q^{4} + ( - 10 \beta - 4) q^{5} + (30 \beta - 114) q^{6} + 49 q^{7} + ( - 11 \beta + 1) q^{8} + ( - 36 \beta + 297) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta + 5) q^{2} + (6 \beta - 6) q^{3} + ( - 9 \beta + 7) q^{4} + ( - 10 \beta - 4) q^{5} + (30 \beta - 114) q^{6} + 49 q^{7} + ( - 11 \beta + 1) q^{8} + ( - 36 \beta + 297) q^{9} + ( - 36 \beta + 120) q^{10} + (124 \beta + 136) q^{11} + (42 \beta - 798) q^{12} + ( - 126 \beta - 112) q^{13} + ( - 49 \beta + 245) q^{14} + ( - 24 \beta - 816) q^{15} + (243 \beta - 65) q^{16} + (76 \beta + 862) q^{17} + ( - 441 \beta + 1989) q^{18} + (18 \beta - 1642) q^{19} + (56 \beta + 1232) q^{20} + (294 \beta - 294) q^{21} + (360 \beta - 1056) q^{22} + ( - 568 \beta + 1328) q^{23} + (6 \beta - 930) q^{24} + (180 \beta - 1709) q^{25} + ( - 392 \beta + 1204) q^{26} + (324 \beta - 3348) q^{27} + ( - 441 \beta + 343) q^{28} + ( - 252 \beta + 3474) q^{29} + (720 \beta - 3744) q^{30} + ( - 540 \beta + 260) q^{31} + (1389 \beta - 3759) q^{32} + (816 \beta + 9600) q^{33} + ( - 558 \beta + 3246) q^{34} + ( - 490 \beta - 196) q^{35} + ( - 2601 \beta + 6615) q^{36} + ( - 540 \beta + 3386) q^{37} + (1714 \beta - 8462) q^{38} + ( - 672 \beta - 9912) q^{39} + (144 \beta + 1536) q^{40} + (1092 \beta - 3570) q^{41} + (1470 \beta - 5586) q^{42} + (4788 \beta - 3904) q^{43} + ( - 1472 \beta - 14672) q^{44} + ( - 2466 \beta + 3852) q^{45} + ( - 3600 \beta + 14592) q^{46} + ( - 3748 \beta + 7724) q^{47} + ( - 390 \beta + 20802) q^{48} + 2401 q^{49} + (2429 \beta - 11065) q^{50} + (5172 \beta + 1212) q^{51} + (1260 \beta + 15092) q^{52} + (208 \beta + 4630) q^{53} + (4644 \beta - 21276) q^{54} + ( - 3096 \beta - 17904) q^{55} + ( - 539 \beta + 49) q^{56} + ( - 9852 \beta + 11364) q^{57} + ( - 4482 \beta + 20898) q^{58} + (2050 \beta - 22994) q^{59} + (7392 \beta - 2688) q^{60} + (4806 \beta - 34780) q^{61} + ( - 2420 \beta + 8860) q^{62} + ( - 1764 \beta + 14553) q^{63} + (1539 \beta - 36161) q^{64} + (2884 \beta + 18088) q^{65} + ( - 6336 \beta + 36576) q^{66} + (1944 \beta + 11420) q^{67} + ( - 7910 \beta - 3542) q^{68} + (7968 \beta - 55680) q^{69} + ( - 1764 \beta + 5880) q^{70} + (4200 \beta + 46608) q^{71} + ( - 2907 \beta + 5841) q^{72} + (5256 \beta + 6098) q^{73} + ( - 5546 \beta + 24490) q^{74} + ( - 10254 \beta + 25374) q^{75} + (14742 \beta - 13762) q^{76} + (6076 \beta + 6664) q^{77} + (7224 \beta - 40152) q^{78} + ( - 14904 \beta + 33080) q^{79} + ( - 2752 \beta - 33760) q^{80} + ( - 11340 \beta - 24867) q^{81} + (7938 \beta - 33138) q^{82} + ( - 15750 \beta + 66654) q^{83} + (2058 \beta - 39102) q^{84} + ( - 9684 \beta - 14088) q^{85} + (23056 \beta - 86552) q^{86} + (20844 \beta - 42012) q^{87} + ( - 2736 \beta - 18960) q^{88} + (22208 \beta + 31034) q^{89} + ( - 13716 \beta + 53784) q^{90} + ( - 6174 \beta - 5488) q^{91} + ( - 10816 \beta + 80864) q^{92} + (1560 \beta - 46920) q^{93} + ( - 22716 \beta + 91092) q^{94} + (16168 \beta + 4048) q^{95} + ( - 22554 \beta + 139230) q^{96} + ( - 8820 \beta + 14798) q^{97} + ( - 2401 \beta + 12005) q^{98} + (27468 \beta - 22104) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 9 q^{2} - 6 q^{3} + 5 q^{4} - 18 q^{5} - 198 q^{6} + 98 q^{7} - 9 q^{8} + 558 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 9 q^{2} - 6 q^{3} + 5 q^{4} - 18 q^{5} - 198 q^{6} + 98 q^{7} - 9 q^{8} + 558 q^{9} + 204 q^{10} + 396 q^{11} - 1554 q^{12} - 350 q^{13} + 441 q^{14} - 1656 q^{15} + 113 q^{16} + 1800 q^{17} + 3537 q^{18} - 3266 q^{19} + 2520 q^{20} - 294 q^{21} - 1752 q^{22} + 2088 q^{23} - 1854 q^{24} - 3238 q^{25} + 2016 q^{26} - 6372 q^{27} + 245 q^{28} + 6696 q^{29} - 6768 q^{30} - 20 q^{31} - 6129 q^{32} + 20016 q^{33} + 5934 q^{34} - 882 q^{35} + 10629 q^{36} + 6232 q^{37} - 15210 q^{38} - 20496 q^{39} + 3216 q^{40} - 6048 q^{41} - 9702 q^{42} - 3020 q^{43} - 30816 q^{44} + 5238 q^{45} + 25584 q^{46} + 11700 q^{47} + 41214 q^{48} + 4802 q^{49} - 19701 q^{50} + 7596 q^{51} + 31444 q^{52} + 9468 q^{53} - 37908 q^{54} - 38904 q^{55} - 441 q^{56} + 12876 q^{57} + 37314 q^{58} - 43938 q^{59} + 2016 q^{60} - 64754 q^{61} + 15300 q^{62} + 27342 q^{63} - 70783 q^{64} + 39060 q^{65} + 66816 q^{66} + 24784 q^{67} - 14994 q^{68} - 103392 q^{69} + 9996 q^{70} + 97416 q^{71} + 8775 q^{72} + 17452 q^{73} + 43434 q^{74} + 40494 q^{75} - 12782 q^{76} + 19404 q^{77} - 73080 q^{78} + 51256 q^{79} - 70272 q^{80} - 61074 q^{81} - 58338 q^{82} + 117558 q^{83} - 76146 q^{84} - 37860 q^{85} - 150048 q^{86} - 63180 q^{87} - 40656 q^{88} + 84276 q^{89} + 93852 q^{90} - 17150 q^{91} + 150912 q^{92} - 92280 q^{93} + 159468 q^{94} + 24264 q^{95} + 255906 q^{96} + 20776 q^{97} + 21609 q^{98} - 16740 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
4.27492
−3.27492
0.725083 19.6495 −31.4743 −46.7492 14.2475 49.0000 −46.0241 143.103 −33.8970
1.2 8.27492 −25.6495 36.4743 28.7492 −212.248 49.0000 37.0241 414.897 237.897
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(7\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 7.6.a.b 2
3.b odd 2 1 63.6.a.f 2
4.b odd 2 1 112.6.a.h 2
5.b even 2 1 175.6.a.c 2
5.c odd 4 2 175.6.b.c 4
7.b odd 2 1 49.6.a.f 2
7.c even 3 2 49.6.c.e 4
7.d odd 6 2 49.6.c.d 4
8.b even 2 1 448.6.a.w 2
8.d odd 2 1 448.6.a.u 2
11.b odd 2 1 847.6.a.c 2
12.b even 2 1 1008.6.a.bq 2
21.c even 2 1 441.6.a.l 2
28.d even 2 1 784.6.a.v 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
7.6.a.b 2 1.a even 1 1 trivial
49.6.a.f 2 7.b odd 2 1
49.6.c.d 4 7.d odd 6 2
49.6.c.e 4 7.c even 3 2
63.6.a.f 2 3.b odd 2 1
112.6.a.h 2 4.b odd 2 1
175.6.a.c 2 5.b even 2 1
175.6.b.c 4 5.c odd 4 2
441.6.a.l 2 21.c even 2 1
448.6.a.u 2 8.d odd 2 1
448.6.a.w 2 8.b even 2 1
784.6.a.v 2 28.d even 2 1
847.6.a.c 2 11.b odd 2 1
1008.6.a.bq 2 12.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{2} - 9T_{2} + 6 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(7))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} - 9T + 6 \) Copy content Toggle raw display
$3$ \( T^{2} + 6T - 504 \) Copy content Toggle raw display
$5$ \( T^{2} + 18T - 1344 \) Copy content Toggle raw display
$7$ \( (T - 49)^{2} \) Copy content Toggle raw display
$11$ \( T^{2} - 396T - 179904 \) Copy content Toggle raw display
$13$ \( T^{2} + 350T - 195608 \) Copy content Toggle raw display
$17$ \( T^{2} - 1800 T + 727692 \) Copy content Toggle raw display
$19$ \( T^{2} + 3266 T + 2662072 \) Copy content Toggle raw display
$23$ \( T^{2} - 2088 T - 3507456 \) Copy content Toggle raw display
$29$ \( T^{2} - 6696 T + 10304172 \) Copy content Toggle raw display
$31$ \( T^{2} + 20T - 4155200 \) Copy content Toggle raw display
$37$ \( T^{2} - 6232 T + 5554156 \) Copy content Toggle raw display
$41$ \( T^{2} + 6048 T - 7848036 \) Copy content Toggle raw display
$43$ \( T^{2} + 3020 T - 324400352 \) Copy content Toggle raw display
$47$ \( T^{2} - 11700 T - 165954432 \) Copy content Toggle raw display
$53$ \( T^{2} - 9468 T + 21794244 \) Copy content Toggle raw display
$59$ \( T^{2} + 43938 T + 422751336 \) Copy content Toggle raw display
$61$ \( T^{2} + 64754 T + 719128816 \) Copy content Toggle raw display
$67$ \( T^{2} - 24784 T + 99708976 \) Copy content Toggle raw display
$71$ \( T^{2} - 97416 T + 2121099264 \) Copy content Toggle raw display
$73$ \( T^{2} - 17452 T - 317520812 \) Copy content Toggle raw display
$79$ \( T^{2} - 51256 T - 2508546944 \) Copy content Toggle raw display
$83$ \( T^{2} - 117558 T - 79919784 \) Copy content Toggle raw display
$89$ \( T^{2} - 84276 T - 5252421468 \) Copy content Toggle raw display
$97$ \( T^{2} - 20776 T - 1000631156 \) Copy content Toggle raw display
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