Finite Group Databasebeta

C2×#20266142 #27187693

order12928
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#20266142

Splittings

SylowC101 ⋊ C2×#405

Subgroups

subgroupG/H
centerC23C22×#87938
commutatorC2×C101C22×C42
FrattiniC22C23×#87938
FittingC2×C4⋊C4×C101C4
socleC23×C101C22×C4
prime radicalC23×D101C2×C4
cosocleC2×Dic101C24
hypercenterC2×C4⋊C4#87938
hypocenterC101C2×#405
LCSG ▷ C2×C101 ▷ C101
UCSC1 ◁ C23 ◁ C2×C4⋊C4

592 conjugacy classes of subgroups; only the 298 normal subgroups are shown.

normal subgroups only

This group has 592 conjugacy classes of subgroups — too many to draw. Only its 298 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) = 123
transitive degreeμt(G) = 6464

A minimal faithful permutation representation — 4 generators on 123 points:

(1,2)(3,11)(4,5)(6,7)(8,24)(9,10)(12,20)(13,14)(15,16)(17,41)(18,19)(21,37)(22,23)(25,33)(26,27)(28,29)(30,62)(31,32)(34,58)(35,36)(38,54)(39,40)(42,50)(43,44)(45,46)(47,80)(48,49)(51,77)(52,53)(55,73)(56,57)(59,69)(60,61)(63,64)(66,91)(67,68)(70,88)(71,72)(74,84)(75,76)(78,79)(81,98)(82,83)(85,95)(86,87)(89,90)(92,101)(93,94)(96,97)(99,100)(110,116)(113,119)(117,122)(120,123);(104,105,106,107)(108,110)(109,113)(111,117)(112,116)(114,120)(115,119)(118,122)(121,123);(2,3,4,6)(5,8,9,15)(7,12,13,11)(10,17,18,28)(14,21,22,24)(16,25,26,20)(19,30,31,45)(23,34,35,41)(27,38,39,37)(29,42,43,33)(32,47,48,65)(36,51,52,62)(40,55,56,58)(44,59,60,54)(46,49,63,50)(53,66,67,80)(57,70,71,77)(61,74,75,73)(64,68,78,69)(72,81,82,91)(76,85,86,88)(79,83,89,84)(87,92,93,98)(90,94,96,95)(97,99,100,101)(108,109,111,114,112,115,118,121)(110,113,117,120,116,119,122,123);(102,103)

Conjugacy classes & character table

580 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 21071);