Finite Group Databasebeta
Cayley diagram

C2×#1868 #20891

order256
nilpotency class3
isoclinismisoclinic class of B(4,𝔽2)
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#1868

Subgroups

subgroupG/H
centerC2×C4#120
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socleC22#385
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

671 conjugacy classes of subgroups; only the 239 normal subgroups are shown.

normal subgroups only

This group has 671 conjugacy classes of subgroups — too many to draw. Only its 239 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) = 34
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147333, #147334, #147335, …
maximal normal subgroup of#147333, #147334, #147335, …
maximal quotient ofC2×#8851, #192027, C2×#8852, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13879);