Finite Group Databasebeta
Cayley diagram

C2×#2641 #34620

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 8388608
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C42

Aliases

direct productC2×#2641

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC22×#127C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1663 conjugacy classes of subgroups; only the 527 normal subgroups are shown.

normal subgroups only

This group has 1663 conjugacy classes of subgroups — too many to draw. Only its 527 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);(3,4,5,6)(7,8)(9,12)(10,11)(13,14)(16,19)(20,21);(3,4,5,6)(8,11)(12,13)(15,16,18,19)(17,20,22,21);(3,4)(5,6)(7,8)(9,13)(10,11)(12,14)(15,16)(17,21)(18,19)(20,22);(7,9,10,14)(8,12,11,13)(15,17,18,22)(16,20,19,21)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#97031, #111922, #111926, …
maximal normal subgroup of#97031, #111922, #111926, …
maximal quotient ofC2×#14260, C2×#14272, C2×#14283, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27608);