Finite Group DatabasebetaFinite Group Databasebeta| order | 64 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #447 |
| automorphism | Aut(G) = C2×D4×#120 (order 512) · Inn(G) = C2×D4 · Out(G) = C22×D4 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C22 | C2×D4 |
| commutator, Frattini, cosocle | C2×C4 | C23 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
54 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 20 points:
(2,4)(5,6,9,12)(7,13,15,20)(8,16,18,11)(10,17,19,14);(1,2,3,4);(5,7,9,15)(6,10,12,19)(8,17,18,14)(11,20,16,13)Polycyclic presentation:
2^6|a^2=f,b^2=d,c^2=f,e^2=f,b^a=bd,c^a=ce,e^a=ef,e^c=ef19 conjugacy classes — view the full character table.
| maximal subgroup of | #1640, #1641, #1644, … |
| maximal normal subgroup of | #1640, #1641, #1644, … |
| maximal quotient of | #1672, #1674, #1676, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(64, 143);