Properties

Label 1380.1.bn.c
Level $1380$
Weight $1$
Character orbit 1380.bn
Analytic conductor $0.689$
Analytic rank $0$
Dimension $20$
Projective image $D_{22}$
CM discriminant -15
Inner twists $8$

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Newspace parameters

Level: \( N \) \(=\) \( 1380 = 2^{2} \cdot 3 \cdot 5 \cdot 23 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1380.bn (of order \(22\), degree \(10\), minimal)

Newform invariants

Self dual: no
Analytic conductor: \(0.688709717434\)
Analytic rank: \(0\)
Dimension: \(20\)
Relative dimension: \(2\) over \(\Q(\zeta_{22})\)
Coefficient field: \(\Q(\zeta_{44})\)
Defining polynomial: \(x^{20} - x^{18} + x^{16} - x^{14} + x^{12} - x^{10} + x^{8} - x^{6} + x^{4} - x^{2} + 1\)
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{22}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{22} + \cdots)\)

$q$-expansion

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q -\zeta_{44}^{7} q^{2} + \zeta_{44}^{3} q^{3} + \zeta_{44}^{14} q^{4} + \zeta_{44}^{5} q^{5} -\zeta_{44}^{10} q^{6} -\zeta_{44}^{21} q^{8} + \zeta_{44}^{6} q^{9} +O(q^{10})\) \( q -\zeta_{44}^{7} q^{2} + \zeta_{44}^{3} q^{3} + \zeta_{44}^{14} q^{4} + \zeta_{44}^{5} q^{5} -\zeta_{44}^{10} q^{6} -\zeta_{44}^{21} q^{8} + \zeta_{44}^{6} q^{9} -\zeta_{44}^{12} q^{10} + \zeta_{44}^{17} q^{12} + \zeta_{44}^{8} q^{15} -\zeta_{44}^{6} q^{16} + ( -\zeta_{44}^{11} - \zeta_{44}^{15} ) q^{17} -\zeta_{44}^{13} q^{18} + ( -\zeta_{44}^{2} + \zeta_{44}^{16} ) q^{19} + \zeta_{44}^{19} q^{20} + \zeta_{44} q^{23} + \zeta_{44}^{2} q^{24} + \zeta_{44}^{10} q^{25} + \zeta_{44}^{9} q^{27} -\zeta_{44}^{15} q^{30} + ( -\zeta_{44}^{4} + \zeta_{44}^{12} ) q^{31} + \zeta_{44}^{13} q^{32} + ( -1 + \zeta_{44}^{18} ) q^{34} + \zeta_{44}^{20} q^{36} + ( \zeta_{44} + \zeta_{44}^{9} ) q^{38} + \zeta_{44}^{4} q^{40} + \zeta_{44}^{11} q^{45} -\zeta_{44}^{8} q^{46} + ( -\zeta_{44} - \zeta_{44}^{21} ) q^{47} -\zeta_{44}^{9} q^{48} -\zeta_{44}^{14} q^{49} -\zeta_{44}^{17} q^{50} + ( -\zeta_{44}^{14} - \zeta_{44}^{18} ) q^{51} + ( \zeta_{44}^{17} - \zeta_{44}^{19} ) q^{53} -\zeta_{44}^{16} q^{54} + ( -\zeta_{44}^{5} + \zeta_{44}^{19} ) q^{57} - q^{60} + ( \zeta_{44}^{18} + \zeta_{44}^{20} ) q^{61} + ( \zeta_{44}^{11} - \zeta_{44}^{19} ) q^{62} -\zeta_{44}^{20} q^{64} + ( \zeta_{44}^{3} + \zeta_{44}^{7} ) q^{68} + \zeta_{44}^{4} q^{69} + \zeta_{44}^{5} q^{72} + \zeta_{44}^{13} q^{75} + ( -\zeta_{44}^{8} - \zeta_{44}^{16} ) q^{76} + ( \zeta_{44}^{10} - \zeta_{44}^{20} ) q^{79} -\zeta_{44}^{11} q^{80} + \zeta_{44}^{12} q^{81} + ( -\zeta_{44}^{3} - \zeta_{44}^{9} ) q^{83} + ( -\zeta_{44}^{16} - \zeta_{44}^{20} ) q^{85} -\zeta_{44}^{18} q^{90} + \zeta_{44}^{15} q^{92} + ( -\zeta_{44}^{7} + \zeta_{44}^{15} ) q^{93} + ( -\zeta_{44}^{6} + \zeta_{44}^{8} ) q^{94} + ( -\zeta_{44}^{7} + \zeta_{44}^{21} ) q^{95} + \zeta_{44}^{16} q^{96} + \zeta_{44}^{21} q^{98} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 20q + 2q^{4} - 2q^{6} + 2q^{9} + O(q^{10}) \) \( 20q + 2q^{4} - 2q^{6} + 2q^{9} + 2q^{10} - 2q^{15} - 2q^{16} - 4q^{19} + 2q^{24} + 2q^{25} - 18q^{34} - 2q^{36} - 2q^{40} + 2q^{46} - 2q^{49} - 4q^{51} + 2q^{54} - 20q^{60} + 2q^{64} - 2q^{69} + 4q^{76} + 4q^{79} - 2q^{81} + 4q^{85} - 2q^{90} - 4q^{94} - 2q^{96} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1380\mathbb{Z}\right)^\times\).

\(n\) \(277\) \(461\) \(691\) \(1201\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\) \(\zeta_{44}^{10}\)

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.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
359.1
−0.281733 + 0.959493i
0.281733 0.959493i
−0.281733 0.959493i
0.281733 + 0.959493i
−0.909632 0.415415i
0.909632 + 0.415415i
0.755750 + 0.654861i
−0.755750 0.654861i
0.989821 0.142315i
−0.989821 + 0.142315i
0.989821 + 0.142315i
−0.989821 0.142315i
0.540641 0.841254i
−0.540641 + 0.841254i
0.755750 0.654861i
−0.755750 + 0.654861i
0.540641 + 0.841254i
−0.540641 0.841254i
−0.909632 + 0.415415i
0.909632 0.415415i
−0.909632 0.415415i 0.755750 0.654861i 0.654861 + 0.755750i −0.989821 + 0.142315i −0.959493 + 0.281733i 0 −0.281733 0.959493i 0.142315 0.989821i 0.959493 + 0.281733i
359.2 0.909632 + 0.415415i −0.755750 + 0.654861i 0.654861 + 0.755750i 0.989821 0.142315i −0.959493 + 0.281733i 0 0.281733 + 0.959493i 0.142315 0.989821i 0.959493 + 0.281733i
419.1 −0.909632 + 0.415415i 0.755750 + 0.654861i 0.654861 0.755750i −0.989821 0.142315i −0.959493 0.281733i 0 −0.281733 + 0.959493i 0.142315 + 0.989821i 0.959493 0.281733i
419.2 0.909632 0.415415i −0.755750 0.654861i 0.654861 0.755750i 0.989821 + 0.142315i −0.959493 0.281733i 0 0.281733 0.959493i 0.142315 + 0.989821i 0.959493 0.281733i
479.1 −0.989821 + 0.142315i −0.281733 0.959493i 0.959493 0.281733i 0.540641 0.841254i 0.415415 + 0.909632i 0 −0.909632 + 0.415415i −0.841254 + 0.540641i −0.415415 + 0.909632i
479.2 0.989821 0.142315i 0.281733 + 0.959493i 0.959493 0.281733i −0.540641 + 0.841254i 0.415415 + 0.909632i 0 0.909632 0.415415i −0.841254 + 0.540641i −0.415415 + 0.909632i
539.1 −0.281733 + 0.959493i −0.540641 + 0.841254i −0.841254 0.540641i −0.909632 0.415415i −0.654861 0.755750i 0 0.755750 0.654861i −0.415415 0.909632i 0.654861 0.755750i
539.2 0.281733 0.959493i 0.540641 0.841254i −0.841254 0.540641i 0.909632 + 0.415415i −0.654861 0.755750i 0 −0.755750 + 0.654861i −0.415415 0.909632i 0.654861 0.755750i
659.1 −0.540641 + 0.841254i 0.909632 0.415415i −0.415415 0.909632i 0.755750 0.654861i −0.142315 + 0.989821i 0 0.989821 + 0.142315i 0.654861 0.755750i 0.142315 + 0.989821i
659.2 0.540641 0.841254i −0.909632 + 0.415415i −0.415415 0.909632i −0.755750 + 0.654861i −0.142315 + 0.989821i 0 −0.989821 0.142315i 0.654861 0.755750i 0.142315 + 0.989821i
779.1 −0.540641 0.841254i 0.909632 + 0.415415i −0.415415 + 0.909632i 0.755750 + 0.654861i −0.142315 0.989821i 0 0.989821 0.142315i 0.654861 + 0.755750i 0.142315 0.989821i
779.2 0.540641 + 0.841254i −0.909632 0.415415i −0.415415 + 0.909632i −0.755750 0.654861i −0.142315 0.989821i 0 −0.989821 + 0.142315i 0.654861 + 0.755750i 0.142315 0.989821i
839.1 −0.755750 + 0.654861i −0.989821 0.142315i 0.142315 0.989821i 0.281733 + 0.959493i 0.841254 0.540641i 0 0.540641 + 0.841254i 0.959493 + 0.281733i −0.841254 0.540641i
839.2 0.755750 0.654861i 0.989821 + 0.142315i 0.142315 0.989821i −0.281733 0.959493i 0.841254 0.540641i 0 −0.540641 0.841254i 0.959493 + 0.281733i −0.841254 0.540641i
1019.1 −0.281733 0.959493i −0.540641 0.841254i −0.841254 + 0.540641i −0.909632 + 0.415415i −0.654861 + 0.755750i 0 0.755750 + 0.654861i −0.415415 + 0.909632i 0.654861 + 0.755750i
1019.2 0.281733 + 0.959493i 0.540641 + 0.841254i −0.841254 + 0.540641i 0.909632 0.415415i −0.654861 + 0.755750i 0 −0.755750 0.654861i −0.415415 + 0.909632i 0.654861 + 0.755750i
1079.1 −0.755750 0.654861i −0.989821 + 0.142315i 0.142315 + 0.989821i 0.281733 0.959493i 0.841254 + 0.540641i 0 0.540641 0.841254i 0.959493 0.281733i −0.841254 + 0.540641i
1079.2 0.755750 + 0.654861i 0.989821 0.142315i 0.142315 + 0.989821i −0.281733 + 0.959493i 0.841254 + 0.540641i 0 −0.540641 + 0.841254i 0.959493 0.281733i −0.841254 + 0.540641i
1259.1 −0.989821 0.142315i −0.281733 + 0.959493i 0.959493 + 0.281733i 0.540641 + 0.841254i 0.415415 0.909632i 0 −0.909632 0.415415i −0.841254 0.540641i −0.415415 0.909632i
1259.2 0.989821 + 0.142315i 0.281733 0.959493i 0.959493 + 0.281733i −0.540641 0.841254i 0.415415 0.909632i 0 0.909632 + 0.415415i −0.841254 0.540641i −0.415415 0.909632i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1259.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
15.d odd 2 1 CM by \(\Q(\sqrt{-15}) \)
3.b odd 2 1 inner
5.b even 2 1 inner
92.h even 22 1 inner
276.j odd 22 1 inner
460.o even 22 1 inner
1380.bn odd 22 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1380.1.bn.c yes 20
3.b odd 2 1 inner 1380.1.bn.c yes 20
4.b odd 2 1 1380.1.bn.b 20
5.b even 2 1 inner 1380.1.bn.c yes 20
12.b even 2 1 1380.1.bn.b 20
15.d odd 2 1 CM 1380.1.bn.c yes 20
20.d odd 2 1 1380.1.bn.b 20
23.d odd 22 1 1380.1.bn.b 20
60.h even 2 1 1380.1.bn.b 20
69.g even 22 1 1380.1.bn.b 20
92.h even 22 1 inner 1380.1.bn.c yes 20
115.i odd 22 1 1380.1.bn.b 20
276.j odd 22 1 inner 1380.1.bn.c yes 20
345.n even 22 1 1380.1.bn.b 20
460.o even 22 1 inner 1380.1.bn.c yes 20
1380.bn odd 22 1 inner 1380.1.bn.c yes 20
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1380.1.bn.b 20 4.b odd 2 1
1380.1.bn.b 20 12.b even 2 1
1380.1.bn.b 20 20.d odd 2 1
1380.1.bn.b 20 23.d odd 22 1
1380.1.bn.b 20 60.h even 2 1
1380.1.bn.b 20 69.g even 22 1
1380.1.bn.b 20 115.i odd 22 1
1380.1.bn.b 20 345.n even 22 1
1380.1.bn.c yes 20 1.a even 1 1 trivial
1380.1.bn.c yes 20 3.b odd 2 1 inner
1380.1.bn.c yes 20 5.b even 2 1 inner
1380.1.bn.c yes 20 15.d odd 2 1 CM
1380.1.bn.c yes 20 92.h even 22 1 inner
1380.1.bn.c yes 20 276.j odd 22 1 inner
1380.1.bn.c yes 20 460.o even 22 1 inner
1380.1.bn.c yes 20 1380.bn odd 22 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(1380, [\chi])\):

\( T_{7} \)
\(T_{19}^{10} + \cdots\)
\( T_{29} \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 1 - T^{2} + T^{4} - T^{6} + T^{8} - T^{10} + T^{12} - T^{14} + T^{16} - T^{18} + T^{20} \)
$3$ \( 1 - T^{2} + T^{4} - T^{6} + T^{8} - T^{10} + T^{12} - T^{14} + T^{16} - T^{18} + T^{20} \)
$5$ \( 1 - T^{2} + T^{4} - T^{6} + T^{8} - T^{10} + T^{12} - T^{14} + T^{16} - T^{18} + T^{20} \)
$7$ \( T^{20} \)
$11$ \( T^{20} \)
$13$ \( T^{20} \)
$17$ \( 1 - 25 T^{2} + 185 T^{4} - 236 T^{6} + 224 T^{8} + 54 T^{10} + 102 T^{12} + 57 T^{14} + 27 T^{16} + 7 T^{18} + T^{20} \)
$19$ \( ( 1 - 5 T + 14 T^{2} - 4 T^{3} - 2 T^{4} - T^{5} + 5 T^{6} + 8 T^{7} + 4 T^{8} + 2 T^{9} + T^{10} )^{2} \)
$23$ \( 1 - T^{2} + T^{4} - T^{6} + T^{8} - T^{10} + T^{12} - T^{14} + T^{16} - T^{18} + T^{20} \)
$29$ \( T^{20} \)
$31$ \( ( 11 - 11 T + 11 T^{2} + 33 T^{3} - 22 T^{5} + T^{10} )^{2} \)
$37$ \( T^{20} \)
$41$ \( T^{20} \)
$43$ \( T^{20} \)
$47$ \( ( 1 + 15 T^{2} + 35 T^{4} + 28 T^{6} + 9 T^{8} + T^{10} )^{2} \)
$53$ \( 1 + 8 T^{2} + 130 T^{4} - 335 T^{6} + 125 T^{8} + 120 T^{10} + 36 T^{12} - 9 T^{14} + 16 T^{16} - 4 T^{18} + T^{20} \)
$59$ \( T^{20} \)
$61$ \( ( 11 - 44 T + 77 T^{2} - 55 T^{3} + 11 T^{4} + T^{10} )^{2} \)
$67$ \( T^{20} \)
$71$ \( T^{20} \)
$73$ \( T^{20} \)
$79$ \( ( 1 - 6 T + 25 T^{2} - 51 T^{3} + 53 T^{4} - 32 T^{5} + 16 T^{6} - 8 T^{7} + 4 T^{8} - 2 T^{9} + T^{10} )^{2} \)
$83$ \( 121 - 121 T^{2} + 847 T^{4} + 1573 T^{6} + 1452 T^{8} + 462 T^{10} + 22 T^{12} + T^{20} \)
$89$ \( T^{20} \)
$97$ \( T^{20} \)
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