Finite Group Databasebeta
Cayley diagram

C2×#2315 #34049

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 8388608
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2315

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC26C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2591 conjugacy classes of subgroups; only the 1039 normal subgroups are shown.

normal subgroups only

This group has 2591 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) = 18
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105811, #106812, #106834, …
maximal normal subgroup of#105811, #106812, #106834, …
maximal quotient ofC2×#13778, C2×#13782, C4×#2315, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27037);