Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C2×#548 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1149 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,4)(13,14,18,17)(15,21,23,19)(16,24,25,20)(22,26,28,27);(6,9)(7,11)(13,15,18,23)(14,19,17,21)(16,22,25,28)(20,26,24,27);(1,2,3,4)(5,6,8,9)(7,10,11,12)(13,15)(14,19)(16,22)(17,21)(18,23)(20,26)(24,27)(25,28);(13,16,18,25)(14,20,17,24)(15,22,23,28)(19,26,21,27);(5,7)(6,10)(8,11)(9,12)(13,17,18,14)(15,21,23,19)(16,24,25,20)(22,27,28,26)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=gh,d^2=f,e^2=f,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | #480919, #497533, #6533282, … |
| maximal normal subgroup of | #480919, #497533, #6533282, … |
| maximal quotient of | #521701, #522318, #522821, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 31079);