Finite Group Databasebeta
Cayley diagram

C2×#1791 #20611

order256
nilpotency class3
isoclinismisoclinic class of B(4,𝔽2)
automorphismAut(G) order 49152
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#1791

Subgroups

subgroupG/H
centerC2×C4#120
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socleC22#379
prime radicalC2×#585C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1831 conjugacy classes of subgroups; only the 303 normal subgroups are shown.

normal subgroups only

This group has 1831 conjugacy classes of subgroups — too many to draw. Only its 303 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);(3,4,7,12,8,11,20,25)(5,13,16,26,15,9,19,22)(6,10,18,23,17,24,30,34)(14,21,29,32,28,27,31,33);(3,5)(4,9)(6,14)(7,19)(8,15)(10,21)(11,13)(12,26)(16,20)(17,28)(18,31)(22,25)(23,33)(24,27)(29,30)(32,34);(3,6)(4,10)(5,14)(7,18)(8,17)(9,21)(11,24)(12,23)(13,27)(15,28)(16,29)(19,31)(20,30)(22,32)(25,34)(26,33)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#1791⋊C3, C2×#11711596, C2×#11711597, …
maximal subgroup of#147490, #147491, #147492, …
maximal normal subgroup of#147490, #147491, #147492, …
maximal quotient ofC2×#8316, #184904, C2×#8317, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13599);