Finite Group Databasebeta
Cayley diagram

C2×#2310 #34042

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 16777216
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29×C4

Aliases

direct productC2×#2310

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2607 conjugacy classes of subgroups; only the 1039 normal subgroups are shown.

normal subgroups only

This group has 2607 conjugacy classes of subgroups — too many to draw. Only its 1039 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) = 128

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97019, #105819, #106515, …
maximal normal subgroup of#97019, #105819, #106515, …
maximal quotient ofC2×#13776, C2×#13786, C4×#2310, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27030);