Finite Group Databasebeta
Cayley diagram

C2×#1289 #7979

order256
nilpotency class3
isoclinismisoclinic class of #1284
automorphismAut(G) order 32768
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C25

Aliases

direct productC2×#1289

Subgroups

subgroupG/H
center, socleC23#95
commutatorC2×C4C2×C42
Frattini, cosocleC23×C4C23
prime radicalC25D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

565 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 565 conjugacy classes of subgroups — too many to draw. Only its 175 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 — 3 generators on 18 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93031, #93051, C4×#1289, …
maximal normal subgroup of#93031, #93051, C4×#1289, …
maximal quotient ofC2×#7020, #95070, #95078, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 967);