Finite Group Databasebeta

C2×#23761605 #34208785

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC2×#23761605

Splittings

SylowC79 ⋊ C2×#1426

Subgroups

subgroupG/H
centerC22#19098390
commutatorC16×C79C22×C4
FrattiniC2×C16C22×D79
FittingC2×#367×C79C2
socleC22×C79#367
prime radicalC23×C79SD32
cosocleC2×C16×C79C23
hypercenterC2×#367D79
hypocenterC79C2×#1426
LCSG ▷ C16×C79 ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×C8 ◁ C22×C16 ◁ C2×#367

190 conjugacy classes of subgroups; only the 107 normal subgroups are shown.

normal subgroups only

This group has 190 conjugacy classes of subgroups — too many to draw. Only its 107 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) = 113
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 3 generators on 113 points:

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

Conjugacy classes & character table

1768 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 90084);