Finite Group Databasebeta
Cayley diagram

C2×#2337 #34080

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2337

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1523 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(3,4,6,5)(8,11)(12,14)(15,16,19,17)(18,21,22,20);(3,5,6,4)(16,17)(20,21);(7,8)(9,12)(10,11)(13,14)(15,17,19,16)(18,21,22,20);(7,9,10,13)(8,12,11,14)(15,18,19,22)(16,20,17,21)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#108156, #181984, #181996, …
maximal normal subgroup of#108156, #181984, #181996, …
maximal quotient ofC2×#13781, C2×#13788, C2×#13789, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27068);