Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3003 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
734 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,4)(5,6,8,7)(9,10,14,17)(11,18,20,23)(12,16,13,21)(15,22,24,19);(9,11)(10,15)(12,19)(13,22)(14,20)(16,23)(17,24)(18,21);(2,4)(9,12,14,13)(10,16,17,21)(11,19,20,22)(15,23,24,18);(5,7,8,6)(11,20)(15,24)(18,23)(19,22)Polycyclic presentation:
2^8|a^2=g,c^2=h,d^2=gh,e^2=h,b^a=be,c^a=cf,e^a=eh,d^b=dh,e^b=eh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#21457, #6372629, C4×#3005, … |
| maximal normal subgroup of | C2×#21457, #6372629, C4×#3005, … |
| maximal quotient of | #208655, #208667, #208679, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14445);