Finite Group Databasebeta

#34176167

order20224
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #7544

Subgroups

subgroupG/H
centerC32D316
commutatorC4×C79C2×C32
FrattiniC2×C32C2×D79
FittingC4×C32×C79C2
socleC2×C79C4⋊C32
prime radicalC22×C79M64
cosocleC2×C32×C79C22
hypercenterC4×C32D79
hypocenterC79#7544
LCSG ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C32 ◁ C2×C32 ◁ C4×C32

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 143
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 2 generators on 143 points:

(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)(80,82,83,96,88,99,87,86)(81,89,90,95,94,93,100,115)(84,97,101,110,106,125,105,104)(85,98,102,123,109,126,108,107)(91,111,113,121,118,117,127,136)(92,112,114,122,120,119,128,137)(103,124,129,133,132,141,131,130)(116,134,135,140,139,138,142,143);(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)(80,81,84,91,85,92,103,116,86,93,104,117,107,119,130,138,87,90,105,113,108,114,131,135,99,115,125,136,126,137,141,143,88,94,106,118,109,120,132,139,96,89,110,111,123,112,133,134,83,100,101,127,102,128,129,142,82,95,97,121,98,122,124,140)

Polycyclic presentation:

2^8,79|a^2=d,b^2=c,c^2=h,d^2=e,e^2=f,f^2=g,g^2=h,b^a=bc,c^a=ch,i^a=i^78

Conjugacy classes & character table

5104 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 57466);