Finite Group Databasebeta
Cayley diagram

C2×#2327 #34068

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2327

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1479 conjugacy classes of subgroups; only the 823 normal subgroups are shown.

normal subgroups only

This group has 1479 conjugacy classes of subgroups — too many to draw. Only its 823 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(4,6)(7,8,10,9)(12,16)(13,19)(14,22)(24,26);(7,9,10,8)(11,12)(13,20)(14,18)(15,16)(17,19)(21,26)(22,23)(24,25);(3,4,5,6)(11,13)(12,17)(14,21)(15,19)(16,20)(18,24)(22,25)(23,26);(11,14,15,22)(12,18,16,23)(13,21,19,25)(17,24,20,26)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97027, #106067, #108065, …
maximal normal subgroup of#97027, #106067, #108065, …
maximal quotient ofC2×#13779, C2×#13786, C2×#13790, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27056);