Group invariants
| Abstract group: | $D_5^2$ |
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| Order: | $100=2^{2} \cdot 5^{2}$ |
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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 $n$: | $25$ |
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| Transitive number $t$: | $12$ |
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| Parity: | $1$ |
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| Transitivity: | 1 | ||
| Primitive: | no |
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| $\card{\Aut(F/K)}$: | $1$ |
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| Generators: | $(1,24,16,14,6,4,21,19,11,9)(2,23,17,13,7,3,22,18,12,8)(5,25,20,15,10)$, $(1,7)(2,6)(3,10)(4,9)(5,8)(11,22)(12,21)(13,25)(14,24)(15,23)(16,17)(18,20)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_2^2$ $10$: $D_{5}$ x 2 $20$: $D_{10}$ x 2 Resolvents shown for degrees $\leq 47$
Subfields
Degree 5: $D_{5}$ x 2
Low degree siblings
10T9 x 2, 20T28 x 2Siblings 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 | $1^{25}$ | $1$ | $1$ | $0$ | $()$ |
| 2A | $2^{10},1^{5}$ | $5$ | $2$ | $10$ | $( 2, 5)( 3, 4)( 7,10)( 8, 9)(12,15)(13,14)(17,20)(18,19)(22,25)(23,24)$ |
| 2B | $2^{10},1^{5}$ | $5$ | $2$ | $10$ | $( 6,21)( 7,22)( 8,23)( 9,24)(10,25)(11,16)(12,17)(13,18)(14,19)(15,20)$ |
| 2C | $2^{12},1$ | $25$ | $2$ | $12$ | $( 1, 7)( 2, 6)( 3,10)( 4, 9)( 5, 8)(11,22)(12,21)(13,25)(14,24)(15,23)(16,17)(18,20)$ |
| 5A1 | $5^{5}$ | $2$ | $5$ | $20$ | $( 1,16, 6,21,11)( 2,17, 7,22,12)( 3,18, 8,23,13)( 4,19, 9,24,14)( 5,20,10,25,15)$ |
| 5A2 | $5^{5}$ | $2$ | $5$ | $20$ | $( 1, 6,11,16,21)( 2, 7,12,17,22)( 3, 8,13,18,23)( 4, 9,14,19,24)( 5,10,15,20,25)$ |
| 5B1 | $5^{5}$ | $2$ | $5$ | $20$ | $( 1, 3, 5, 2, 4)( 6, 8,10, 7, 9)(11,13,15,12,14)(16,18,20,17,19)(21,23,25,22,24)$ |
| 5B2 | $5^{5}$ | $2$ | $5$ | $20$ | $( 1, 5, 4, 3, 2)( 6,10, 9, 8, 7)(11,15,14,13,12)(16,20,19,18,17)(21,25,24,23,22)$ |
| 5C1 | $5^{5}$ | $4$ | $5$ | $20$ | $( 1,17, 8,24,15)( 2,18, 9,25,11)( 3,19,10,21,12)( 4,20, 6,22,13)( 5,16, 7,23,14)$ |
| 5C2 | $5^{5}$ | $4$ | $5$ | $20$ | $( 1, 8,15,17,24)( 2, 9,11,18,25)( 3,10,12,19,21)( 4, 6,13,20,22)( 5, 7,14,16,23)$ |
| 5D1 | $5^{5}$ | $4$ | $5$ | $20$ | $( 1,18,10,22,14)( 2,19, 6,23,15)( 3,20, 7,24,11)( 4,16, 8,25,12)( 5,17, 9,21,13)$ |
| 5D2 | $5^{5}$ | $4$ | $5$ | $20$ | $( 1, 7,13,19,25)( 2, 8,14,20,21)( 3, 9,15,16,22)( 4,10,11,17,23)( 5, 6,12,18,24)$ |
| 10A1 | $10^{2},5$ | $10$ | $10$ | $22$ | $( 1,21,16,11, 6)( 2,25,17,15, 7, 5,22,20,12,10)( 3,24,18,14, 8, 4,23,19,13, 9)$ |
| 10A3 | $10^{2},5$ | $10$ | $10$ | $22$ | $( 1,11,21, 6,16)( 2,15,22,10,17, 5,12,25, 7,20)( 3,14,23, 9,18, 4,13,24, 8,19)$ |
| 10B1 | $10^{2},5$ | $10$ | $10$ | $22$ | $( 1, 2, 3, 4, 5)( 6,22, 8,24,10,21, 7,23, 9,25)(11,17,13,19,15,16,12,18,14,20)$ |
| 10B3 | $10^{2},5$ | $10$ | $10$ | $22$ | $( 1, 3, 5, 2, 4)( 6,23,10,22, 9,21, 8,25, 7,24)(11,18,15,17,14,16,13,20,12,19)$ |
Malle's constant $a(G)$: $1/10$
Character table
| 1A | 2A | 2B | 2C | 5A1 | 5A2 | 5B1 | 5B2 | 5C1 | 5C2 | 5D1 | 5D2 | 10A1 | 10A3 | 10B1 | 10B3 | ||
| Size | 1 | 5 | 5 | 25 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 10 | 10 | 10 | 10 | |
| 2 P | 1A | 1A | 1A | 1A | 5A2 | 5A1 | 5B2 | 5B1 | 5C2 | 5C1 | 5D2 | 5D1 | 5A1 | 5A2 | 5B1 | 5B2 | |
| 5 P | 1A | 2A | 2B | 2C | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 1A | 2A | 2A | 2B | 2B | |
| Type | |||||||||||||||||
| 100.13.1a | R | ||||||||||||||||
| 100.13.1b | R | ||||||||||||||||
| 100.13.1c | R | ||||||||||||||||
| 100.13.1d | R | ||||||||||||||||
| 100.13.2a1 | R | ||||||||||||||||
| 100.13.2a2 | R | ||||||||||||||||
| 100.13.2b1 | R | ||||||||||||||||
| 100.13.2b2 | R | ||||||||||||||||
| 100.13.2c1 | R | ||||||||||||||||
| 100.13.2c2 | R | ||||||||||||||||
| 100.13.2d1 | R | ||||||||||||||||
| 100.13.2d2 | R | ||||||||||||||||
| 100.13.4a1 | R | ||||||||||||||||
| 100.13.4a2 | R | ||||||||||||||||
| 100.13.4b1 | R | ||||||||||||||||
| 100.13.4b2 | R |
Regular extensions
Data not computed