Finite Group Databasebeta

C2×#135×C239 #29504476

order15296
nilpotency class3
isoclinismisoclinic class of D8
automorphism?
homologyAbelianization (H1) = C24×C239 · Schur multiplier (H2) = C25

Aliases

direct productC2×#135×C239

Subgroups

subgroupG/H
centerC2×C4×C239D4
commutator, Frattini, cosocleC4C24×C239
socleC22×C239C2×D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C239 ◁ C22×C4×C239 ◁ G

266 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 257
transitive degreeμt(G) = 7648

A minimal faithful permutation representation — 4 generators on 257 points:

(1,2)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257);(3,4)(5,12)(6,10)(7,15)(8,11)(9,13)(14,17)(16,18);(3,5)(4,9)(6,13)(7,16)(8,14)(10,17)(11,18)(12,15);(3,6,8,7)(4,10,11,15)(5,13,14,16)(9,17,18,12)

Conjugacy classes & character table

6692 conjugacy classes. The character table is too large to display.

Relationships

Fitting subgroup of#44484877, #44485437, #44485442, …
maximal subgroup of#1876×C239, #1974×C239, #1975×C239, …
maximal normal subgroup of#1876×C239, #1974×C239, #1975×C239, …
maximal quotient ofC2×#416×C239, C2×#427×C239, C2×C4×D8×C239, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15296, 253);