Finite Group Databasebeta
Cayley diagram

C2×#2377 #34340

order256
nilpotency class2
isoclinismisoclinic class of #560
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2377

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC22×#121C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1651 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);(3,4,5,6)(8,11)(9,13)(15,16)(17,21)(18,19)(20,22);(8,11)(12,14)(16,19)(17,22);(7,8)(9,12)(10,11)(13,14)(15,16)(17,20)(18,19)(21,22);(7,9)(8,12)(10,13)(11,14)(15,17,18,22)(16,20,19,21)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107454, C2×#9341, C2×#9343, …
maximal normal subgroup of#107454, C2×#9341, C2×#9343, …
maximal quotient ofC2×#13828, C2×#13831, C2×#13832, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27328);