Finite Group Databasebeta
Cayley diagram

C2×#2143 #33384

order256
nilpotency class4
isoclinismisoclinic class of #509
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2143

Subgroups

subgroupG/H
centerC2×C4C2×D8
commutatorC8C23×C4
Frattini, cosocleC2×C8C24
socleC22C2×#102
prime radicalC22×#135C2
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ C23×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

577 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(3,4,7,12,9,13,8,23)(5,14,17,31,15,30,24,28)(6,18,20,29,22,33,21,11)(10,19,26,32,25,34,27,16);(3,5)(4,10)(6,19)(7,17)(8,24)(9,15)(11,28)(12,26)(13,25)(14,18)(16,21)(20,32)(22,34)(23,27)(29,31)(30,33);(5,15)(10,25)(14,30)(16,32)(17,24)(19,34)(26,27)(28,31)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146730, #146732, #146747, …
maximal normal subgroup of#146730, #146732, #146747, …
maximal quotient ofC2×#11593, C2×#11594, C2×#11592, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26372);