# Properties

 Label 315.2.cg.b Level 315 Weight 2 Character orbit 315.cg Analytic conductor 2.515 Analytic rank 0 Dimension 4 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.cg (of order $$12$$, degree $$4$$, minimal)

## Newform invariants

 Self dual: no Analytic conductor: $$2.51528766367$$ Analytic rank: $$0$$ Dimension: $$4$$ Coefficient field: $$\Q(\zeta_{12})$$ Defining polynomial: $$x^{4} - x^{2} + 1$$ Coefficient ring: $$\Z[a_1, a_2]$$ Coefficient ring index: $$1$$ Twist minimal: yes Sato-Tate group: $\mathrm{SU}(2)[C_{12}]$

## $q$-expansion

Coefficients of the $$q$$-expansion are expressed in terms of a primitive root of unity $$\zeta_{12}$$. We also show the integral $$q$$-expansion of the trace form.

 $$f(q)$$ $$=$$ $$q + ( -\zeta_{12}^{2} + \zeta_{12}^{3} ) q^{2} + ( \zeta_{12} - 2 \zeta_{12}^{3} ) q^{3} + ( -2 + \zeta_{12}^{2} ) q^{4} + ( 1 - 2 \zeta_{12}^{3} ) q^{5} + ( 1 - 2 \zeta_{12} + \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{6} + ( 3 \zeta_{12} - \zeta_{12}^{3} ) q^{7} + ( 1 + \zeta_{12} - \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{8} -3 \zeta_{12}^{2} q^{9} +O(q^{10})$$ $$q + ( -\zeta_{12}^{2} + \zeta_{12}^{3} ) q^{2} + ( \zeta_{12} - 2 \zeta_{12}^{3} ) q^{3} + ( -2 + \zeta_{12}^{2} ) q^{4} + ( 1 - 2 \zeta_{12}^{3} ) q^{5} + ( 1 - 2 \zeta_{12} + \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{6} + ( 3 \zeta_{12} - \zeta_{12}^{3} ) q^{7} + ( 1 + \zeta_{12} - \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{8} -3 \zeta_{12}^{2} q^{9} + ( 2 - 2 \zeta_{12} - \zeta_{12}^{2} + 3 \zeta_{12}^{3} ) q^{10} -2 q^{11} + 3 \zeta_{12}^{3} q^{12} + ( -1 - \zeta_{12} + 3 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{13} + ( -2 - \zeta_{12} + 3 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{14} + ( -2 + \zeta_{12} - 2 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{15} + ( -1 + 2 \zeta_{12} + \zeta_{12}^{2} - 4 \zeta_{12}^{3} ) q^{16} + ( -4 + 4 \zeta_{12} - 4 \zeta_{12}^{3} ) q^{17} + ( -3 + 3 \zeta_{12} + 3 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{18} + ( -\zeta_{12} + \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{19} + ( -2 + 2 \zeta_{12} + \zeta_{12}^{2} + 2 \zeta_{12}^{3} ) q^{20} + ( 5 - 4 \zeta_{12}^{2} ) q^{21} + ( 2 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{22} + ( 3 + 4 \zeta_{12} - 4 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{23} + ( 1 - \zeta_{12} - 2 \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{24} + ( -3 - 4 \zeta_{12}^{3} ) q^{25} + ( 6 - 5 \zeta_{12} - 3 \zeta_{12}^{2} + 5 \zeta_{12}^{3} ) q^{26} + ( -6 \zeta_{12} + 3 \zeta_{12}^{3} ) q^{27} + ( -5 \zeta_{12} + 4 \zeta_{12}^{3} ) q^{28} + ( 8 + 3 \zeta_{12} - 4 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{29} + ( -1 + 5 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{30} + ( -4 - 2 \zeta_{12} + 2 \zeta_{12}^{2} + 2 \zeta_{12}^{3} ) q^{31} + ( 1 - 5 \zeta_{12} + 4 \zeta_{12}^{2} + 4 \zeta_{12}^{3} ) q^{32} + ( -2 \zeta_{12} + 4 \zeta_{12}^{3} ) q^{33} + ( -4 \zeta_{12} + 8 \zeta_{12}^{2} - 4 \zeta_{12}^{3} ) q^{34} + ( 4 + 3 \zeta_{12} - 6 \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{35} + ( 3 + 3 \zeta_{12}^{2} ) q^{36} + ( -4 - \zeta_{12} + 5 \zeta_{12}^{2} + 5 \zeta_{12}^{3} ) q^{37} + ( 3 - 2 \zeta_{12} - 2 \zeta_{12}^{2} + 3 \zeta_{12}^{3} ) q^{38} + ( -4 + 5 \zeta_{12} - \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{39} + ( 1 - \zeta_{12} - 3 \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{40} -3 \zeta_{12} q^{41} + ( -4 + 4 \zeta_{12} - \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{42} + ( -1 + \zeta_{12} + 2 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{43} + ( 4 - 2 \zeta_{12}^{2} ) q^{44} + ( -6 \zeta_{12} - 3 \zeta_{12}^{2} + 6 \zeta_{12}^{3} ) q^{45} + ( -5 + \zeta_{12} + 5 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{46} + ( -5 + 5 \zeta_{12} + 4 \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{47} + ( \zeta_{12} - 6 \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{48} + ( 5 + 3 \zeta_{12}^{2} ) q^{49} + ( 4 - 4 \zeta_{12} + 3 \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{50} + ( 4 - 4 \zeta_{12} - 8 \zeta_{12}^{2} + 8 \zeta_{12}^{3} ) q^{51} + ( -1 + 4 \zeta_{12} - 4 \zeta_{12}^{2} + \zeta_{12}^{3} ) q^{52} + ( 2 - 2 \zeta_{12} + 2 \zeta_{12}^{3} ) q^{53} + ( 3 + 3 \zeta_{12} - 6 \zeta_{12}^{2} + 3 \zeta_{12}^{3} ) q^{54} + ( -2 + 4 \zeta_{12}^{3} ) q^{55} + ( 3 + 2 \zeta_{12} - \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{56} + ( -3 + 2 \zeta_{12} - \zeta_{12}^{3} ) q^{57} + ( -4 + \zeta_{12} - \zeta_{12}^{2} + 4 \zeta_{12}^{3} ) q^{58} + ( 7 \zeta_{12} - 3 \zeta_{12}^{2} + 7 \zeta_{12}^{3} ) q^{59} + ( 6 + 3 \zeta_{12}^{3} ) q^{60} + ( 4 + 4 \zeta_{12} + 4 \zeta_{12}^{2} ) q^{61} + ( 2 - 2 \zeta_{12}^{3} ) q^{62} + ( -3 \zeta_{12} - 6 \zeta_{12}^{3} ) q^{63} + ( 1 - 2 \zeta_{12}^{2} + 4 \zeta_{12}^{3} ) q^{64} + ( -7 + 5 \zeta_{12} + 5 \zeta_{12}^{2} - 6 \zeta_{12}^{3} ) q^{65} + ( -2 + 4 \zeta_{12} - 2 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{66} + ( 4 - 3 \zeta_{12} - \zeta_{12}^{2} - \zeta_{12}^{3} ) q^{67} + ( 8 - 4 \zeta_{12} - 4 \zeta_{12}^{2} + 8 \zeta_{12}^{3} ) q^{68} + ( 5 - 5 \zeta_{12} - 7 \zeta_{12}^{2} - 2 \zeta_{12}^{3} ) q^{69} + ( -8 + 5 \zeta_{12} + 5 \zeta_{12}^{2} - 4 \zeta_{12}^{3} ) q^{70} + ( 3 - 2 \zeta_{12} + \zeta_{12}^{3} ) q^{71} + ( -3 - 3 \zeta_{12} ) q^{72} + ( -8 - 8 \zeta_{12} + 4 \zeta_{12}^{2} + 4 \zeta_{12}^{3} ) q^{73} + ( 1 - 2 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{74} + ( -4 - 3 \zeta_{12} - 4 \zeta_{12}^{2} + 6 \zeta_{12}^{3} ) q^{75} + ( -1 + 3 \zeta_{12} - \zeta_{12}^{2} ) q^{76} + ( -6 \zeta_{12} + 2 \zeta_{12}^{3} ) q^{77} + ( -5 + 10 \zeta_{12}^{2} - 9 \zeta_{12}^{3} ) q^{78} + ( 2 + 8 \zeta_{12} + 2 \zeta_{12}^{2} ) q^{79} + ( -5 + 4 \zeta_{12} - 3 \zeta_{12}^{2} - 4 \zeta_{12}^{3} ) q^{80} + ( -9 + 9 \zeta_{12}^{2} ) q^{81} + ( 3 - 3 \zeta_{12}^{2} + 3 \zeta_{12}^{3} ) q^{82} + ( -9 + 5 \zeta_{12} + 4 \zeta_{12}^{2} + 4 \zeta_{12}^{3} ) q^{83} + ( -6 + 9 \zeta_{12}^{2} ) q^{84} + ( -4 + 4 \zeta_{12} - 8 \zeta_{12}^{2} + 4 \zeta_{12}^{3} ) q^{85} + ( 3 - 4 \zeta_{12} + 2 \zeta_{12}^{3} ) q^{86} + ( 3 - 6 \zeta_{12}^{2} - 12 \zeta_{12}^{3} ) q^{87} + ( -2 - 2 \zeta_{12} + 2 \zeta_{12}^{2} + 2 \zeta_{12}^{3} ) q^{88} + ( -4 \zeta_{12} + 8 \zeta_{12}^{2} - 4 \zeta_{12}^{3} ) q^{89} + ( -3 + 9 \zeta_{12} - 3 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{90} + ( 3 - 8 \zeta_{12}^{2} + 7 \zeta_{12}^{3} ) q^{91} + ( -2 - 5 \zeta_{12} + 7 \zeta_{12}^{2} + 7 \zeta_{12}^{3} ) q^{92} + ( -2 + 4 \zeta_{12}^{2} + 6 \zeta_{12}^{3} ) q^{93} + ( -5 \zeta_{12} + 6 \zeta_{12}^{2} - 5 \zeta_{12}^{3} ) q^{94} + ( -4 + \zeta_{12} + 3 \zeta_{12}^{2} - 3 \zeta_{12}^{3} ) q^{95} + ( -6 + 9 \zeta_{12} + 9 \zeta_{12}^{2} - 6 \zeta_{12}^{3} ) q^{96} + ( 10 + 3 \zeta_{12} - 7 \zeta_{12}^{2} + 7 \zeta_{12}^{3} ) q^{97} + ( 3 - 3 \zeta_{12} - 8 \zeta_{12}^{2} + 8 \zeta_{12}^{3} ) q^{98} + 6 \zeta_{12}^{2} q^{99} +O(q^{100})$$ $$\operatorname{Tr}(f)(q)$$ $$=$$ $$4q - 2q^{2} - 6q^{4} + 4q^{5} + 6q^{6} + 2q^{8} - 6q^{9} + O(q^{10})$$ $$4q - 2q^{2} - 6q^{4} + 4q^{5} + 6q^{6} + 2q^{8} - 6q^{9} + 6q^{10} - 8q^{11} + 2q^{13} - 2q^{14} - 12q^{15} - 2q^{16} - 16q^{17} - 6q^{18} + 2q^{19} - 6q^{20} + 12q^{21} + 4q^{22} + 4q^{23} - 12q^{25} + 18q^{26} + 24q^{29} + 6q^{30} - 12q^{31} + 12q^{32} + 16q^{34} + 4q^{35} + 18q^{36} - 6q^{37} + 8q^{38} - 18q^{39} - 2q^{40} - 18q^{42} + 12q^{44} - 6q^{45} - 10q^{46} - 12q^{47} - 12q^{48} + 26q^{49} + 22q^{50} - 12q^{52} + 8q^{53} - 8q^{55} + 10q^{56} - 12q^{57} - 18q^{58} - 6q^{59} + 24q^{60} + 24q^{61} + 8q^{62} - 18q^{65} - 12q^{66} + 14q^{67} + 24q^{68} + 6q^{69} - 22q^{70} + 12q^{71} - 12q^{72} - 24q^{73} - 24q^{75} - 6q^{76} + 12q^{79} - 26q^{80} - 18q^{81} + 6q^{82} - 28q^{83} - 6q^{84} - 32q^{85} + 12q^{86} - 4q^{88} + 16q^{89} - 18q^{90} - 4q^{91} + 6q^{92} + 12q^{94} - 10q^{95} - 6q^{96} + 26q^{97} - 4q^{98} + 12q^{99} + O(q^{100})$$

## Character values

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

 $$n$$ $$127$$ $$136$$ $$281$$ $$\chi(n)$$ $$\zeta_{12}^{3}$$ $$\zeta_{12}^{2}$$ $$-1 + \zeta_{12}^{2}$$

## 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.

Label $$\iota_m(\nu)$$ $$a_{2}$$ $$a_{3}$$ $$a_{4}$$ $$a_{5}$$ $$a_{6}$$ $$a_{7}$$ $$a_{8}$$ $$a_{9}$$ $$a_{10}$$
157.1
 0.866025 + 0.500000i −0.866025 + 0.500000i −0.866025 − 0.500000i 0.866025 − 0.500000i
−0.500000 + 0.133975i 0.866025 1.50000i −1.50000 + 0.866025i 1.00000 2.00000i −0.232051 + 0.866025i 2.59808 + 0.500000i 1.36603 1.36603i −1.50000 2.59808i −0.232051 + 1.13397i
187.1 −0.500000 + 1.86603i −0.866025 1.50000i −1.50000 0.866025i 1.00000 2.00000i 3.23205 0.866025i −2.59808 + 0.500000i −0.366025 + 0.366025i −1.50000 + 2.59808i 3.23205 + 2.86603i
283.1 −0.500000 1.86603i −0.866025 + 1.50000i −1.50000 + 0.866025i 1.00000 + 2.00000i 3.23205 + 0.866025i −2.59808 0.500000i −0.366025 0.366025i −1.50000 2.59808i 3.23205 2.86603i
313.1 −0.500000 0.133975i 0.866025 + 1.50000i −1.50000 0.866025i 1.00000 + 2.00000i −0.232051 0.866025i 2.59808 0.500000i 1.36603 + 1.36603i −1.50000 + 2.59808i −0.232051 1.13397i
 $$n$$: 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
315.cg even 12 1 inner

## Twists

By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 315.2.cg.b yes 4
3.b odd 2 1 945.2.cj.c 4
5.c odd 4 1 315.2.cg.d yes 4
7.d odd 6 1 315.2.bs.a 4
9.c even 3 1 315.2.bs.d yes 4
9.d odd 6 1 945.2.bv.c 4
15.e even 4 1 945.2.cj.b 4
21.g even 6 1 945.2.bv.b 4
35.k even 12 1 315.2.bs.d yes 4
45.k odd 12 1 315.2.bs.a 4
45.l even 12 1 945.2.bv.b 4
63.k odd 6 1 315.2.cg.d yes 4
63.s even 6 1 945.2.cj.b 4
105.w odd 12 1 945.2.bv.c 4
315.bw odd 12 1 945.2.cj.c 4
315.cg even 12 1 inner 315.2.cg.b yes 4

By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
315.2.bs.a 4 7.d odd 6 1
315.2.bs.a 4 45.k odd 12 1
315.2.bs.d yes 4 9.c even 3 1
315.2.bs.d yes 4 35.k even 12 1
315.2.cg.b yes 4 1.a even 1 1 trivial
315.2.cg.b yes 4 315.cg even 12 1 inner
315.2.cg.d yes 4 5.c odd 4 1
315.2.cg.d yes 4 63.k odd 6 1
945.2.bv.b 4 21.g even 6 1
945.2.bv.b 4 45.l even 12 1
945.2.bv.c 4 9.d odd 6 1
945.2.bv.c 4 105.w odd 12 1
945.2.cj.b 4 15.e even 4 1
945.2.cj.b 4 63.s even 6 1
945.2.cj.c 4 3.b odd 2 1
945.2.cj.c 4 315.bw odd 12 1

## Hecke kernels

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

 $$T_{2}^{4} + 2 T_{2}^{3} + 5 T_{2}^{2} + 4 T_{2} + 1$$ $$T_{11} + 2$$

## Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ $$1 + 2 T + 5 T^{2} + 8 T^{3} + 13 T^{4} + 16 T^{5} + 20 T^{6} + 16 T^{7} + 16 T^{8}$$
$3$ $$1 + 3 T^{2} + 9 T^{4}$$
$5$ $$( 1 - 2 T + 5 T^{2} )^{2}$$
$7$ $$1 - 13 T^{2} + 49 T^{4}$$
$11$ $$( 1 + 2 T + 11 T^{2} )^{4}$$
$13$ $$1 - 2 T + 26 T^{2} - 84 T^{3} + 407 T^{4} - 1092 T^{5} + 4394 T^{6} - 4394 T^{7} + 28561 T^{8}$$
$17$ $$1 + 16 T + 80 T^{2} - 8 T^{3} - 1121 T^{4} - 136 T^{5} + 23120 T^{6} + 78608 T^{7} + 83521 T^{8}$$
$19$ $$1 - 2 T - 32 T^{2} + 4 T^{3} + 859 T^{4} + 76 T^{5} - 11552 T^{6} - 13718 T^{7} + 130321 T^{8}$$
$23$ $$1 - 4 T + 8 T^{2} - 4 T^{3} - 482 T^{4} - 92 T^{5} + 4232 T^{6} - 48668 T^{7} + 279841 T^{8}$$
$29$ $$1 - 24 T + 289 T^{2} - 2328 T^{3} + 14136 T^{4} - 67512 T^{5} + 243049 T^{6} - 585336 T^{7} + 707281 T^{8}$$
$31$ $$1 + 12 T + 118 T^{2} + 840 T^{3} + 5427 T^{4} + 26040 T^{5} + 113398 T^{6} + 357492 T^{7} + 923521 T^{8}$$
$37$ $$1 + 6 T + 90 T^{2} + 552 T^{3} + 4439 T^{4} + 20424 T^{5} + 123210 T^{6} + 303918 T^{7} + 1874161 T^{8}$$
$41$ $$1 + 73 T^{2} + 3648 T^{4} + 122713 T^{6} + 2825761 T^{8}$$
$43$ $$1 + 9 T^{2} + 240 T^{3} - 1324 T^{4} + 10320 T^{5} + 16641 T^{6} + 3418801 T^{8}$$
$47$ $$1 + 12 T + 45 T^{2} - 612 T^{3} - 6892 T^{4} - 28764 T^{5} + 99405 T^{6} + 1245876 T^{7} + 4879681 T^{8}$$
$53$ $$1 - 8 T + 20 T^{2} + 196 T^{3} - 3641 T^{4} + 10388 T^{5} + 56180 T^{6} - 1191016 T^{7} + 7890481 T^{8}$$
$59$ $$1 + 6 T + 56 T^{2} - 828 T^{3} - 5205 T^{4} - 48852 T^{5} + 194936 T^{6} + 1232274 T^{7} + 12117361 T^{8}$$
$61$ $$1 - 24 T + 346 T^{2} - 3696 T^{3} + 31707 T^{4} - 225456 T^{5} + 1287466 T^{6} - 5447544 T^{7} + 13845841 T^{8}$$
$67$ $$1 - 14 T + 74 T^{2} + 48 T^{3} - 4273 T^{4} + 3216 T^{5} + 332186 T^{6} - 4210682 T^{7} + 20151121 T^{8}$$
$71$ $$( 1 - 6 T + 148 T^{2} - 426 T^{3} + 5041 T^{4} )^{2}$$
$73$ $$1 + 24 T + 144 T^{2} - 1752 T^{3} - 31057 T^{4} - 127896 T^{5} + 767376 T^{6} + 9336408 T^{7} + 28398241 T^{8}$$
$79$ $$1 - 12 T + 154 T^{2} - 1272 T^{3} + 8787 T^{4} - 100488 T^{5} + 961114 T^{6} - 5916468 T^{7} + 38950081 T^{8}$$
$83$ $$1 + 28 T + 365 T^{2} + 2980 T^{3} + 23356 T^{4} + 247340 T^{5} + 2514485 T^{6} + 16010036 T^{7} + 47458321 T^{8}$$
$89$ $$1 - 16 T + 62 T^{2} - 256 T^{3} + 6931 T^{4} - 22784 T^{5} + 491102 T^{6} - 11279504 T^{7} + 62742241 T^{8}$$
$97$ $$1 - 26 T + 458 T^{2} - 5604 T^{3} + 61583 T^{4} - 543588 T^{5} + 4309322 T^{6} - 23729498 T^{7} + 88529281 T^{8}$$