Show commands: Magma
Group invariants
Abstract group: | $D_7\times F_5$ |
| |
Order: | $280=2^{3} \cdot 5 \cdot 7$ |
| |
Cyclic: | no |
| |
Abelian: | no |
| |
Solvable: | yes |
| |
Nilpotency class: | not nilpotent |
|
Group action invariants
Degree $n$: | $35$ |
| |
Transitive number $t$: | $12$ |
| |
Parity: | $-1$ |
| |
Primitive: | no |
| |
$\card{\Aut(F/K)}$: | $1$ |
| |
Generators: | $(1,21)(2,25)(3,24)(4,23)(5,22)(6,16)(7,20)(8,19)(9,18)(10,17)(12,15)(13,14)(26,31)(27,35)(28,34)(29,33)(30,32)$, $(1,12,5,14)(2,15,4,11)(3,13)(6,7,10,9)(16,32,20,34)(17,35,19,31)(18,33)(21,27,25,29)(22,30,24,26)(23,28)$ |
|
Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_4$ x 2, $C_2^2$ $8$: $C_4\times C_2$ $14$: $D_{7}$ $20$: $F_5$ $28$: $D_{14}$ $40$: $F_{5}\times C_2$ $56$: 28T8 Resolvents shown for degrees $\leq 47$
Subfields
Degree 5: $F_5$
Degree 7: $D_{7}$
Low degree siblings
There are no siblings with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Label | Cycle Type | Size | Order | Index | Representative |
1A | $1^{35}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{14},1^{7}$ | $5$ | $2$ | $14$ | $( 1, 5)( 2, 4)( 6,10)( 7, 9)(11,15)(12,14)(16,20)(17,19)(21,25)(22,24)(26,30)(27,29)(31,35)(32,34)$ |
2B | $2^{15},1^{5}$ | $7$ | $2$ | $15$ | $( 1,31)( 2,32)( 3,33)( 4,34)( 5,35)( 6,26)( 7,27)( 8,28)( 9,29)(10,30)(11,21)(12,22)(13,23)(14,24)(15,25)$ |
2C | $2^{17},1$ | $35$ | $2$ | $17$ | $( 1,33)( 2,32)( 3,31)( 4,35)( 5,34)( 6,28)( 7,27)( 8,26)( 9,30)(10,29)(11,23)(12,22)(13,21)(14,25)(15,24)(16,18)(19,20)$ |
4A1 | $4^{7},1^{7}$ | $5$ | $4$ | $21$ | $( 1, 4, 5, 2)( 6, 9,10, 7)(11,14,15,12)(16,19,20,17)(21,24,25,22)(26,29,30,27)(31,34,35,32)$ |
4A-1 | $4^{7},1^{7}$ | $5$ | $4$ | $21$ | $( 1, 2, 5, 4)( 6, 7,10, 9)(11,12,15,14)(16,17,20,19)(21,22,25,24)(26,27,30,29)(31,32,35,34)$ |
4B1 | $4^{7},2^{3},1$ | $35$ | $4$ | $24$ | $( 1,30, 3,29)( 2,27)( 4,26, 5,28)( 6,25, 8,24)( 7,22)( 9,21,10,23)(11,20,13,19)(12,17)(14,16,15,18)(31,35,33,34)$ |
4B-1 | $4^{7},2^{3},1$ | $35$ | $4$ | $24$ | $( 1,29, 3,30)( 2,27)( 4,28, 5,26)( 6,24, 8,25)( 7,22)( 9,23,10,21)(11,19,13,20)(12,17)(14,18,15,16)(31,34,33,35)$ |
5A | $5^{7}$ | $4$ | $5$ | $28$ | $( 1, 5, 4, 3, 2)( 6,10, 9, 8, 7)(11,15,14,13,12)(16,20,19,18,17)(21,25,24,23,22)(26,30,29,28,27)(31,35,34,33,32)$ |
7A1 | $7^{5}$ | $2$ | $7$ | $30$ | $( 1,21, 6,26,11,31,16)( 2,22, 7,27,12,32,17)( 3,23, 8,28,13,33,18)( 4,24, 9,29,14,34,19)( 5,25,10,30,15,35,20)$ |
7A2 | $7^{5}$ | $2$ | $7$ | $30$ | $( 1, 6,11,16,21,26,31)( 2, 7,12,17,22,27,32)( 3, 8,13,18,23,28,33)( 4, 9,14,19,24,29,34)( 5,10,15,20,25,30,35)$ |
7A3 | $7^{5}$ | $2$ | $7$ | $30$ | $( 1,26,16, 6,31,21,11)( 2,27,17, 7,32,22,12)( 3,28,18, 8,33,23,13)( 4,29,19, 9,34,24,14)( 5,30,20,10,35,25,15)$ |
10A | $10^{3},5$ | $28$ | $10$ | $31$ | $( 1,35, 4,33, 2,31, 5,34, 3,32)( 6,30, 9,28, 7,26,10,29, 8,27)(11,25,14,23,12,21,15,24,13,22)(16,20,19,18,17)$ |
14A1 | $14^{2},7$ | $10$ | $14$ | $32$ | $( 1,15,21,35, 6,20,26, 5,11,25,31,10,16,30)( 2,14,22,34, 7,19,27, 4,12,24,32, 9,17,29)( 3,13,23,33, 8,18,28)$ |
14A3 | $14^{2},7$ | $10$ | $14$ | $32$ | $( 1,35,26,25,16,15, 6, 5,31,30,21,20,11,10)( 2,34,27,24,17,14, 7, 4,32,29,22,19,12, 9)( 3,33,28,23,18,13, 8)$ |
14A5 | $14^{2},7$ | $10$ | $14$ | $32$ | $( 1,20,31,15,26,10,21, 5,16,35,11,30, 6,25)( 2,19,32,14,27, 9,22, 4,17,34,12,29, 7,24)( 3,18,33,13,28, 8,23)$ |
28A1 | $28,7$ | $10$ | $28$ | $33$ | $( 1, 7,15,19,21,27,35, 4, 6,12,20,24,26,32, 5, 9,11,17,25,29,31, 2,10,14,16,22,30,34)( 3, 8,13,18,23,28,33)$ |
28A-1 | $28,7$ | $10$ | $28$ | $33$ | $( 1, 9,15,17,21,29,35, 2, 6,14,20,22,26,34, 5, 7,11,19,25,27,31, 4,10,12,16,24,30,32)( 3, 8,13,18,23,28,33)$ |
28A3 | $28,7$ | $10$ | $28$ | $33$ | $( 1,16,31,11,26, 6,21)( 2,18,35,14,27, 8,25, 4,17,33,15,29, 7,23, 5,19,32,13,30, 9,22, 3,20,34,12,28,10,24)$ |
28A-3 | $28,7$ | $10$ | $28$ | $33$ | $( 1,19,33,15,26, 9,23, 5,16,34,13,30, 6,24, 3,20,31,14,28,10,21, 4,18,35,11,29, 8,25)( 2,17,32,12,27, 7,22)$ |
28A5 | $28,7$ | $10$ | $28$ | $33$ | $( 1,12,25,34, 6,17,30, 4,11,22,35, 9,16,27, 5,14,21,32,10,19,26, 2,15,24,31, 7,20,29)( 3,13,23,33, 8,18,28)$ |
28A-5 | $28,7$ | $10$ | $28$ | $33$ | $( 1,14,25,32, 6,19,30, 2,11,24,35, 7,16,29, 5,12,21,34,10,17,26, 4,15,22,31, 9,20,27)( 3,13,23,33, 8,18,28)$ |
35A1 | $35$ | $8$ | $35$ | $34$ | $( 1,18,35,12,29, 6,23, 5,17,34,11,28,10,22, 4,16,33,15,27, 9,21, 3,20,32,14,26, 8,25, 2,19,31,13,30, 7,24)$ |
35A2 | $35$ | $8$ | $35$ | $34$ | $( 1,35,29,23,17,11,10, 4,33,27,21,20,14, 8, 2,31,30,24,18,12, 6, 5,34,28,22,16,15, 9, 3,32,26,25,19,13, 7)$ |
35A3 | $35$ | $8$ | $35$ | $34$ | $( 1,12,23,34,10,16,27, 3,14,25,31, 7,18,29, 5,11,22,33, 9,20,26, 2,13,24,35, 6,17,28, 4,15,21,32, 8,19,30)$ |
Malle's constant $a(G)$: $1/14$
Character table
1A | 2A | 2B | 2C | 4A1 | 4A-1 | 4B1 | 4B-1 | 5A | 7A1 | 7A2 | 7A3 | 10A | 14A1 | 14A3 | 14A5 | 28A1 | 28A-1 | 28A3 | 28A-3 | 28A5 | 28A-5 | 35A1 | 35A2 | 35A3 | ||
Size | 1 | 5 | 7 | 35 | 5 | 5 | 35 | 35 | 4 | 2 | 2 | 2 | 28 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | |
2 P | 1A | 1A | 1A | 1A | 2A | 2A | 2A | 2A | 5A | 7A2 | 7A3 | 7A1 | 5A | 7A1 | 7A3 | 7A2 | 14A1 | 14A1 | 14A3 | 14A3 | 14A5 | 14A5 | 35A2 | 35A3 | 35A1 | |
5 P | 1A | 2A | 2B | 2C | 4A-1 | 4A1 | 4B-1 | 4B1 | 5A | 7A3 | 7A1 | 7A2 | 10A | 14A3 | 14A5 | 14A1 | 28A3 | 28A-3 | 28A5 | 28A-5 | 28A-1 | 28A1 | 35A3 | 35A1 | 35A2 | |
7 P | 1A | 2A | 2B | 2C | 4A1 | 4A-1 | 4B1 | 4B-1 | 1A | 7A2 | 7A3 | 7A1 | 2B | 14A5 | 14A1 | 14A3 | 28A5 | 28A-5 | 28A-1 | 28A1 | 28A-3 | 28A3 | 7A2 | 7A3 | 7A1 | |
Type | ||||||||||||||||||||||||||
280.32.1a | R | |||||||||||||||||||||||||
280.32.1b | R | |||||||||||||||||||||||||
280.32.1c | R | |||||||||||||||||||||||||
280.32.1d | R | |||||||||||||||||||||||||
280.32.1e1 | C | |||||||||||||||||||||||||
280.32.1e2 | C | |||||||||||||||||||||||||
280.32.1f1 | C | |||||||||||||||||||||||||
280.32.1f2 | C | |||||||||||||||||||||||||
280.32.2a1 | R | |||||||||||||||||||||||||
280.32.2a2 | R | |||||||||||||||||||||||||
280.32.2a3 | R | |||||||||||||||||||||||||
280.32.2b1 | R | |||||||||||||||||||||||||
280.32.2b2 | R | |||||||||||||||||||||||||
280.32.2b3 | R | |||||||||||||||||||||||||
280.32.2c1 | C | |||||||||||||||||||||||||
280.32.2c2 | C | |||||||||||||||||||||||||
280.32.2c3 | C | |||||||||||||||||||||||||
280.32.2c4 | C | |||||||||||||||||||||||||
280.32.2c5 | C | |||||||||||||||||||||||||
280.32.2c6 | C | |||||||||||||||||||||||||
280.32.4a | R | |||||||||||||||||||||||||
280.32.4b | R | |||||||||||||||||||||||||
280.32.8a1 | R | |||||||||||||||||||||||||
280.32.8a2 | R | |||||||||||||||||||||||||
280.32.8a3 | R |
Regular extensions
Data not computed