Finite Group Databasebeta
Cayley diagram

C2×#2861 #36630

order256
nilpotency class2
isoclinismisoclinic class of #2846
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2861

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1451 conjugacy classes of subgroups; only the 559 normal subgroups are shown.

normal subgroups only

This group has 1451 conjugacy classes of subgroups — too many to draw. Only its 559 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) = 22
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(4,6)(8,11)(12,14)(16,18)(20,21);(7,8)(9,12)(10,11)(13,14)(15,16,19,18)(17,20,22,21);(3,4,5,6)(7,8)(9,12)(10,11)(13,14)(15,17,19,22)(16,20,18,21);(7,9,10,13)(8,12,11,14)(15,18,19,16)(17,21,22,20)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#96926, #111330, #112526, …
maximal normal subgroup of#96926, #111330, #112526, …
maximal quotient ofC2×#14689, C2×#14700, C2×#14701, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29618);