Finite Group Databasebeta

C79⋊D79 #27159649

order12482
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C79

Aliases

unambiguous semidirect productC79⋊D79

Splittings

Fitting, socle, derived, SylowC792 ⋊ C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC792C2
LCSG ▷ C792
UCSC1

164 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 158
transitive degreeμt(G) = 6241

A minimal faithful permutation representation — 3 generators on 158 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)(81,82)(83,84)(85,86)(87,88)(89,90)(91,92)(93,94)(95,96)(97,98)(99,100)(101,102)(103,104)(105,106)(107,108)(109,110)(111,112)(113,114)(115,116)(117,118)(119,120)(121,122)(123,124)(125,126)(127,128)(129,130)(131,132)(133,134)(135,136)(137,138)(139,140)(141,142)(143,144)(145,146)(147,148)(149,150)(151,152)(153,154)(155,156)(157,158);(80,81,83,85,87,89,91,93,95,97,99,101,103,105,107,109,111,113,115,117,119,121,123,125,127,129,131,133,135,137,139,141,143,145,147,149,151,153,155,157,158,156,154,152,150,148,146,144,142,140,138,136,134,132,130,128,126,124,122,120,118,116,114,112,110,108,106,104,102,100,98,96,94,92,90,88,86,84,82);(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)

Polycyclic presentation:

2,79^2|b^a=b^78,c^a=c^78

Conjugacy classes & character table

3122 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#38735686, D792, C2×C79⋊D79, …
maximal normal subgroup of#38735686, D792, C2×C79⋊D79, …
maximal quotient ofC79⋊Dic79, C2×C79⋊D79, C3×C79⋊D79, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12482, 4);