Finite Group DatabasebetaFinite Group Databasebeta| order | 64 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of D16 |
| automorphism | Aut(G) = C2×#442 (order 128) · Inn(G) = D8 · Out(G) = C2×C4 |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C4 | D8 |
| commutator | C8 | C2×C4 |
| Frattini, cosocle | C2×C8 | C22 |
| socle | C2 | #102 |
| prime radical | #135 | C2 |
| LCS | G ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C4 ◁ C2×C4 ◁ C2×C8 ◁ G | |
| LECS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
28 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 2 generators on 32 points:
(1,2,5,10,7,11,6,21)(3,12,14,28,15,29,22,26)(4,16,18,27,20,31,19,9)(8,17,23,30,25,32,24,13);(1,3)(2,8)(4,17)(5,14)(6,22)(7,15)(9,26)(10,23)(11,25)(12,16)(13,19)(18,30)(20,32)(21,24)(27,28)(29,31)Polycyclic presentation:
2^6|a^2=d,c^2=ef,d^2=f,e^2=f,b^a=bc,c^a=ce,e^a=ef,c^b=ce,e^b=ef22 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#359, #2143, #2178, … |
| maximal normal subgroup of | C2×#359, #2143, #2178, … |
| maximal quotient of | #1331, #1332, #1349, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(64, 40);