Finite Group DatabasebetaFinite Group Databasebeta| order | 64 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #468 |
| automorphism | Aut(G) = #72210600 (order 1024) · Inn(G) = C2×D4 · Out(G) = B(4,𝔽2) |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×D4 |
| commutator, Frattini, cosocle | C2×C4 | C23 |
| prime radical | C2×D4 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
62 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 3 generators on 20 points:
(2,4)(5,6,9,12)(7,13,14,20)(8,16,17,11)(10,18,19,15);(5,7,8,15,9,14,17,18)(6,10,11,13,12,19,16,20);(1,2,3,4)(7,14)(10,19)(13,20)(15,18)Polycyclic presentation:
2^6|a^2=f,b^2=d,c^2=e,d^2=f,b^a=bd,c^a=ce,d^a=df,c^b=cf16 conjugacy classes — view the full character table.
| maximal subgroup of | #1407, #1659, #1660, … |
| maximal normal subgroup of | #1407, #1659, #1660, … |
| maximal quotient of | #1714, #1716, #1718, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(64, 178);