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Group invariants
Abstract group: | $F_{16}$ |
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Order: | $240=2^{4} \cdot 3 \cdot 5$ |
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Cyclic: | no |
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Abelian: | no |
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Solvable: | yes |
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Nilpotency class: | not nilpotent |
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Group action invariants
Degree $n$: | $30$ |
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Transitive number $t$: | $50$ |
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Parity: | $1$ |
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Primitive: | no |
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$\card{\Aut(F/K)}$: | $2$ |
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Generators: | $(7,8)(9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22)$, $(1,18,21,25,15,3,12,10,19,7,6,30,27,13,23)(2,17,22,26,16,4,11,9,20,8,5,29,28,14,24)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $3$: $C_3$ $5$: $C_5$ $15$: $C_{15}$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: None
Degree 3: $C_3$
Degree 5: $C_5$
Degree 6: None
Degree 10: None
Degree 15: $C_{15}$
Low degree siblings
16T447, 20T67Siblings are shown 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 | $1^{30}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{8},1^{14}$ | $15$ | $2$ | $8$ | $( 3, 4)( 5, 6)( 7, 8)( 9,10)(15,16)(17,18)(27,28)(29,30)$ |
3A1 | $3^{10}$ | $16$ | $3$ | $20$ | $( 1, 3, 6)( 2, 4, 5)( 7,23,16)( 8,24,15)( 9,28,21)(10,27,22)(11,29,18)(12,30,17)(13,25,20)(14,26,19)$ |
3A-1 | $3^{10}$ | $16$ | $3$ | $20$ | $( 1, 6, 3)( 2, 5, 4)( 7,16,23)( 8,15,24)( 9,21,28)(10,22,27)(11,18,29)(12,17,30)(13,20,25)(14,19,26)$ |
5A1 | $5^{6}$ | $16$ | $5$ | $24$ | $( 1, 8,26,28,11)( 2, 7,25,27,12)( 3,24,19,21,29)( 4,23,20,22,30)( 5,16,13,10,17)( 6,15,14, 9,18)$ |
5A-1 | $5^{6}$ | $16$ | $5$ | $24$ | $( 1,11,28,26, 8)( 2,12,27,25, 7)( 3,29,21,19,24)( 4,30,22,20,23)( 5,17,10,13,16)( 6,18, 9,14,15)$ |
5A2 | $5^{6}$ | $16$ | $5$ | $24$ | $( 1,26,11, 8,28)( 2,25,12, 7,27)( 3,19,29,24,21)( 4,20,30,23,22)( 5,13,17,16,10)( 6,14,18,15, 9)$ |
5A-2 | $5^{6}$ | $16$ | $5$ | $24$ | $( 1,28, 8,11,26)( 2,27, 7,12,25)( 3,21,24,29,19)( 4,22,23,30,20)( 5,10,16,17,13)( 6, 9,15,18,14)$ |
15A1 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,14,29, 8, 9, 3,26,18,24,28, 6,19,11,15,21)( 2,13,30, 7,10, 4,25,17,23,27, 5,20,12,16,22)$ |
15A-1 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,21,15,11,19, 6,28,24,18,26, 3, 9, 8,29,14)( 2,22,16,12,20, 5,27,23,17,25, 4,10, 7,30,13)$ |
15A2 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,29, 9,26,24, 6,11,21,14, 8, 3,18,28,19,15)( 2,30,10,25,23, 5,12,22,13, 7, 4,17,27,20,16)$ |
15A-2 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,15,19,28,18, 3, 8,14,21,11, 6,24,26, 9,29)( 2,16,20,27,17, 4, 7,13,22,12, 5,23,25,10,30)$ |
15A4 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1, 9,24,11,14, 3,28,15,29,26, 6,21, 8,18,19)( 2,10,23,12,13, 4,27,16,30,25, 5,22, 7,17,20)$ |
15A-4 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,19,18, 8,21, 6,26,29,15,28, 3,14,11,24, 9)( 2,20,17, 7,22, 5,25,30,16,27, 4,13,12,23,10)$ |
15A7 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,18,21,26,15, 3,11, 9,19, 8, 6,29,28,14,24)( 2,17,22,25,16, 4,12,10,20, 7, 5,30,27,13,23)$ |
15A-7 | $15^{2}$ | $16$ | $15$ | $28$ | $( 1,24,14,28,29, 6, 8,19, 9,11, 3,15,26,21,18)( 2,23,13,27,30, 5, 7,20,10,12, 4,16,25,22,17)$ |
Malle's constant $a(G)$: $1/8$
Character table
1A | 2A | 3A1 | 3A-1 | 5A1 | 5A-1 | 5A2 | 5A-2 | 15A1 | 15A-1 | 15A2 | 15A-2 | 15A4 | 15A-4 | 15A7 | 15A-7 | ||
Size | 1 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | |
2 P | 1A | 1A | 3A-1 | 3A1 | 5A2 | 5A-2 | 5A-1 | 5A1 | 15A2 | 15A-2 | 15A4 | 15A-4 | 15A-7 | 15A7 | 15A-1 | 15A1 | |
3 P | 1A | 2A | 1A | 1A | 5A-2 | 5A2 | 5A1 | 5A-1 | 5A1 | 5A-1 | 5A2 | 5A-2 | 5A-1 | 5A1 | 5A2 | 5A-2 | |
5 P | 1A | 2A | 3A-1 | 3A1 | 1A | 1A | 1A | 1A | 3A1 | 3A-1 | 3A-1 | 3A1 | 3A1 | 3A-1 | 3A1 | 3A-1 | |
Type | |||||||||||||||||
240.191.1a | R | ||||||||||||||||
240.191.1b1 | C | ||||||||||||||||
240.191.1b2 | C | ||||||||||||||||
240.191.1c1 | C | ||||||||||||||||
240.191.1c2 | C | ||||||||||||||||
240.191.1c3 | C | ||||||||||||||||
240.191.1c4 | C | ||||||||||||||||
240.191.1d1 | C | ||||||||||||||||
240.191.1d2 | C | ||||||||||||||||
240.191.1d3 | C | ||||||||||||||||
240.191.1d4 | C | ||||||||||||||||
240.191.1d5 | C | ||||||||||||||||
240.191.1d6 | C | ||||||||||||||||
240.191.1d7 | C | ||||||||||||||||
240.191.1d8 | C | ||||||||||||||||
240.191.15a | R |
Regular extensions
Data not computed