Finite Group Databasebeta
Cayley diagram

C2×#2098 #23739

order256
nilpotency class3
isoclinismisoclinic class of #2010
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#2098

Subgroups

subgroupG/H
centerC2×C4#127
commutator, Frattini, cosocleC22×C4C24
socleC22#399
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

505 conjugacy classes of subgroups; only the 167 normal subgroups are shown.

normal subgroups only

This group has 505 conjugacy classes of subgroups — too many to draw. Only its 167 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);(3,4,7,12,8,13,9,23)(5,14,16,26,18,30,17,10)(6,19,21,29,22,11,24,28)(15,31,20,34,32,27,33,25);(3,5,9,16,8,18,7,17)(4,10,23,14,13,26,12,30)(6,20,24,32,22,33,21,15)(11,27,29,25,19,31,28,34);(3,6)(4,11)(5,15)(7,21)(8,22)(9,24)(10,25)(12,28)(13,19)(14,31)(16,20)(17,33)(18,32)(23,29)(26,34)(27,30)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137214, #137215, #137216, …
maximal normal subgroup of#137214, #137215, #137216, …
maximal quotient ofC2×#10659, C2×#10660, C2×#10661, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16727);