# Properties

 Label 315.2.bl.a Level 315 Weight 2 Character orbit 315.bl Analytic conductor 2.515 Analytic rank 1 Dimension 2 CM no Inner twists 2

# Related objects

## Newspace parameters

 Level: $$N$$ = $$315 = 3^{2} \cdot 5 \cdot 7$$ Weight: $$k$$ = $$2$$ Character orbit: $$[\chi]$$ = 315.bl (of order $$6$$, degree $$2$$, minimal)

## Newform invariants

 Self dual: no Analytic conductor: $$2.51528766367$$ Analytic rank: $$1$$ Dimension: $$2$$ Coefficient field: $$\Q(\sqrt{-3})$$ Coefficient ring: $$\Z[a_1, a_2]$$ Coefficient ring index: $$1$$ Twist minimal: yes Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

## $q$-expansion

Coefficients of the $$q$$-expansion are expressed in terms of a primitive root of unity $$\zeta_{6}$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + ( -1 - \zeta_{6} ) q^{2} + ( -2 + \zeta_{6} ) q^{3} + \zeta_{6} q^{4} -\zeta_{6} q^{5} + 3 q^{6} + ( 2 - 3 \zeta_{6} ) q^{7} + ( -1 + 2 \zeta_{6} ) q^{8} + ( 3 - 3 \zeta_{6} ) q^{9} +O(q^{10})$$ $$q + ( -1 - \zeta_{6} ) q^{2} + ( -2 + \zeta_{6} ) q^{3} + \zeta_{6} q^{4} -\zeta_{6} q^{5} + 3 q^{6} + ( 2 - 3 \zeta_{6} ) q^{7} + ( -1 + 2 \zeta_{6} ) q^{8} + ( 3 - 3 \zeta_{6} ) q^{9} + ( -1 + 2 \zeta_{6} ) q^{10} + ( -1 - \zeta_{6} ) q^{12} + ( -5 + 4 \zeta_{6} ) q^{14} + ( 1 + \zeta_{6} ) q^{15} + ( 5 - 5 \zeta_{6} ) q^{16} -6 q^{17} + ( -6 + 3 \zeta_{6} ) q^{18} + ( -2 + 4 \zeta_{6} ) q^{19} + ( 1 - \zeta_{6} ) q^{20} + ( -1 + 5 \zeta_{6} ) q^{21} + ( -10 + 5 \zeta_{6} ) q^{23} -3 \zeta_{6} q^{24} + ( -1 + \zeta_{6} ) q^{25} + ( -3 + 6 \zeta_{6} ) q^{27} + ( 3 - \zeta_{6} ) q^{28} + ( -1 - \zeta_{6} ) q^{29} -3 \zeta_{6} q^{30} + ( -4 + 2 \zeta_{6} ) q^{31} + ( -6 + 3 \zeta_{6} ) q^{32} + ( 6 + 6 \zeta_{6} ) q^{34} + ( -3 + \zeta_{6} ) q^{35} + 3 q^{36} -2 q^{37} + ( 6 - 6 \zeta_{6} ) q^{38} + ( 2 - \zeta_{6} ) q^{40} + 9 \zeta_{6} q^{41} + ( 6 - 9 \zeta_{6} ) q^{42} + ( -4 + 4 \zeta_{6} ) q^{43} -3 q^{45} + 15 q^{46} + ( 3 - 3 \zeta_{6} ) q^{47} + ( -5 + 10 \zeta_{6} ) q^{48} + ( -5 - 3 \zeta_{6} ) q^{49} + ( 2 - \zeta_{6} ) q^{50} + ( 12 - 6 \zeta_{6} ) q^{51} + ( 2 - 4 \zeta_{6} ) q^{53} + ( 9 - 9 \zeta_{6} ) q^{54} + ( 4 + \zeta_{6} ) q^{56} -6 \zeta_{6} q^{57} + 3 \zeta_{6} q^{58} -6 \zeta_{6} q^{59} + ( -1 + 2 \zeta_{6} ) q^{60} + ( -5 - 5 \zeta_{6} ) q^{61} + 6 q^{62} + ( -3 - 6 \zeta_{6} ) q^{63} - q^{64} + 13 \zeta_{6} q^{67} -6 \zeta_{6} q^{68} + ( 15 - 15 \zeta_{6} ) q^{69} + ( 4 + \zeta_{6} ) q^{70} + ( 3 + 3 \zeta_{6} ) q^{72} + ( 8 - 16 \zeta_{6} ) q^{73} + ( 2 + 2 \zeta_{6} ) q^{74} + ( 1 - 2 \zeta_{6} ) q^{75} + ( -4 + 2 \zeta_{6} ) q^{76} + ( -14 + 14 \zeta_{6} ) q^{79} -5 q^{80} -9 \zeta_{6} q^{81} + ( 9 - 18 \zeta_{6} ) q^{82} + ( 9 - 9 \zeta_{6} ) q^{83} + ( -5 + 4 \zeta_{6} ) q^{84} + 6 \zeta_{6} q^{85} + ( 8 - 4 \zeta_{6} ) q^{86} + 3 q^{87} -15 q^{89} + ( 3 + 3 \zeta_{6} ) q^{90} + ( -5 - 5 \zeta_{6} ) q^{92} + ( 6 - 6 \zeta_{6} ) q^{93} + ( -6 + 3 \zeta_{6} ) q^{94} + ( 4 - 2 \zeta_{6} ) q^{95} + ( 9 - 9 \zeta_{6} ) q^{96} + ( 2 + 2 \zeta_{6} ) q^{97} + ( 2 + 11 \zeta_{6} ) q^{98} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$2q - 3q^{2} - 3q^{3} + q^{4} - q^{5} + 6q^{6} + q^{7} + 3q^{9} + O(q^{10})$$ $$2q - 3q^{2} - 3q^{3} + q^{4} - q^{5} + 6q^{6} + q^{7} + 3q^{9} - 3q^{12} - 6q^{14} + 3q^{15} + 5q^{16} - 12q^{17} - 9q^{18} + q^{20} + 3q^{21} - 15q^{23} - 3q^{24} - q^{25} + 5q^{28} - 3q^{29} - 3q^{30} - 6q^{31} - 9q^{32} + 18q^{34} - 5q^{35} + 6q^{36} - 4q^{37} + 6q^{38} + 3q^{40} + 9q^{41} + 3q^{42} - 4q^{43} - 6q^{45} + 30q^{46} + 3q^{47} - 13q^{49} + 3q^{50} + 18q^{51} + 9q^{54} + 9q^{56} - 6q^{57} + 3q^{58} - 6q^{59} - 15q^{61} + 12q^{62} - 12q^{63} - 2q^{64} + 13q^{67} - 6q^{68} + 15q^{69} + 9q^{70} + 9q^{72} + 6q^{74} - 6q^{76} - 14q^{79} - 10q^{80} - 9q^{81} + 9q^{83} - 6q^{84} + 6q^{85} + 12q^{86} + 6q^{87} - 30q^{89} + 9q^{90} - 15q^{92} + 6q^{93} - 9q^{94} + 6q^{95} + 9q^{96} + 6q^{97} + 15q^{98} + O(q^{100})$$

## Character values

We give the values of $$\chi$$ on generators for $$\left(\mathbb{Z}/315\mathbb{Z}\right)^\times$$.

 $$n$$ $$127$$ $$136$$ $$281$$ $$\chi(n)$$ $$1$$ $$-1$$ $$\zeta_{6}$$

## 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 $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
41.1
 0.5 − 0.866025i 0.5 + 0.866025i
−1.50000 + 0.866025i −1.50000 0.866025i 0.500000 0.866025i −0.500000 + 0.866025i 3.00000 0.500000 + 2.59808i 1.73205i 1.50000 + 2.59808i 1.73205i
146.1 −1.50000 0.866025i −1.50000 + 0.866025i 0.500000 + 0.866025i −0.500000 0.866025i 3.00000 0.500000 2.59808i 1.73205i 1.50000 2.59808i 1.73205i
 $$n$$: e.g. 2-40 or 990-1000 Significant digits: Format: Complex embeddings Normalized embeddings Satake parameters Satake angles

## Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
63.o even 6 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 315.2.bl.a 2
3.b odd 2 1 945.2.bl.g 2
7.b odd 2 1 315.2.bl.d yes 2
9.c even 3 1 945.2.bl.f 2
9.d odd 6 1 315.2.bl.d yes 2
21.c even 2 1 945.2.bl.f 2
63.l odd 6 1 945.2.bl.g 2
63.o even 6 1 inner 315.2.bl.a 2

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
315.2.bl.a 2 1.a even 1 1 trivial
315.2.bl.a 2 63.o even 6 1 inner
315.2.bl.d yes 2 7.b odd 2 1
315.2.bl.d yes 2 9.d odd 6 1
945.2.bl.f 2 9.c even 3 1
945.2.bl.f 2 21.c even 2 1
945.2.bl.g 2 3.b odd 2 1
945.2.bl.g 2 63.l odd 6 1

## Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $$S_{2}^{\mathrm{new}}(315, [\chi])$$:

 $$T_{2}^{2} + 3 T_{2} + 3$$ $$T_{11}$$ $$T_{13}$$ $$T_{17} + 6$$

## Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ $$1 + 3 T + 5 T^{2} + 6 T^{3} + 4 T^{4}$$
$3$ $$1 + 3 T + 3 T^{2}$$
$5$ $$1 + T + T^{2}$$
$7$ $$1 - T + 7 T^{2}$$
$11$ $$1 + 11 T^{2} + 121 T^{4}$$
$13$ $$1 + 13 T^{2} + 169 T^{4}$$
$17$ $$( 1 + 6 T + 17 T^{2} )^{2}$$
$19$ $$( 1 - 8 T + 19 T^{2} )( 1 + 8 T + 19 T^{2} )$$
$23$ $$1 + 15 T + 98 T^{2} + 345 T^{3} + 529 T^{4}$$
$29$ $$1 + 3 T + 32 T^{2} + 87 T^{3} + 841 T^{4}$$
$31$ $$1 + 6 T + 43 T^{2} + 186 T^{3} + 961 T^{4}$$
$37$ $$( 1 + 2 T + 37 T^{2} )^{2}$$
$41$ $$1 - 9 T + 40 T^{2} - 369 T^{3} + 1681 T^{4}$$
$43$ $$1 + 4 T - 27 T^{2} + 172 T^{3} + 1849 T^{4}$$
$47$ $$1 - 3 T - 38 T^{2} - 141 T^{3} + 2209 T^{4}$$
$53$ $$1 - 94 T^{2} + 2809 T^{4}$$
$59$ $$1 + 6 T - 23 T^{2} + 354 T^{3} + 3481 T^{4}$$
$61$ $$( 1 + T + 61 T^{2} )( 1 + 14 T + 61 T^{2} )$$
$67$ $$1 - 13 T + 102 T^{2} - 871 T^{3} + 4489 T^{4}$$
$71$ $$( 1 - 71 T^{2} )^{2}$$
$73$ $$( 1 - 10 T + 73 T^{2} )( 1 + 10 T + 73 T^{2} )$$
$79$ $$1 + 14 T + 117 T^{2} + 1106 T^{3} + 6241 T^{4}$$
$83$ $$1 - 9 T - 2 T^{2} - 747 T^{3} + 6889 T^{4}$$
$89$ $$( 1 + 15 T + 89 T^{2} )^{2}$$
$97$ $$1 - 6 T + 109 T^{2} - 582 T^{3} + 9409 T^{4}$$