Finite Group DatabasebetaFinite Group Databasebeta| order | 512 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2196 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | B(4,𝔽2) |
| commutator | C2×D4 | C23×C4 |
| Frattini, cosocle | C22×D4 | C24 |
| socle | C22 | C2×B(4,𝔽2) |
| prime radical | C2×#525 | C22 |
| LCS | G ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C22×C4 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1 | |
1313 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2,4,3)(5,6)(7,11)(8,10)(9,12)(13,16)(14,18)(15,17)(19,20);(1,3,4,2)(6,10)(11,16)(12,17)(18,20);(8,15)(13,19);(5,7,9,14)(6,11,12,18)(8,13,15,19)(10,16,17,20)Polycyclic presentation:
2^9|a^2=g,b^2=g,d^2=i,b^a=be,c^a=cf,h^a=hi,f^b=fhi,e^c=eh,f^e=fi80 conjugacy classes — view the full character table.
| maximal subgroup of | #72282145, #72282162, C4×#33546, … |
| maximal normal subgroup of | #72282145, #72282162, C4×#33546, … |
| maximal quotient of | #72282963 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(512, 401541);